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Tropical Storm Isaias Public Advisory Number 24
2020-08-03 04:42:45| National Hurricane Center (Atlantic)
Issued at 1100 PM EDT Sun Aug 02 2020 000 WTNT34 KNHC 030242 TCPAT4 BULLETIN Tropical Storm Isaias Advisory Number 24 NWS National Hurricane Center Miami FL AL092020 1100 PM EDT Sun Aug 02 2020 ...ISAIAS EXPECTED TO BE NEAR HURRICANE STRENGTH WHEN IT REACHES THE CAROLINAS... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...28.5N 79.8W ABOUT 50 MI...80 KM E OF CAPE CANAVERAL FLORIDA ABOUT 365 MI...585 KM S OF MYRTLE BEACH SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NNW OR 345 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning has been extended northward to Fenwick Island Delaware, including Pamlico and Albemarle Sounds. A Tropical Storm Warning has also been issued for the Chesapeake Bay from Smith Point southward. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Edisto Beach South Carolina to Cape Fear North Carolina A Storm Surge Watch is in effect for... * Cape Fear to Duck North Carolina * Pamlico and Albemarle Sounds A Hurricane Watch is in effect for... * South Santee River South Carolina to Surf City North Carolina A Tropical Storm Warning is in effect for... * Sebastian Inlet Florida to Fenwick Island Delaware * Pamlico and Albemarle Sounds * Chesapeake Bay southward from Smith Point A Tropical Storm Watch is in effect for... * Fenwick Island Delaware northward to Watch Hill Rhode Island * Chesapeake Bay north of Smith Point * Tidal Potomac River * Delaware Bay * Long Island and Long Island Sound Interests elsewhere along the northeast coast of the United States should monitor the progress of Isaias. Additional watches or warnings may be required tonight or early Monday. A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, generally within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM EDT (0300 UTC), the center of Tropical Storm Isaias was located by an Air Force Hurricane Hunter aircraft near latitude 28.5 North, longitude 79.8 West. Isaias is moving toward the north-northwest near 9 mph (15 km/h), and this general motion is expected to continue through tonight. A turn toward the north and north-northeast along with an increase in forward speed is anticipated on Monday and Tuesday. On the forecast track, the center of Isaias will pass just to the east of the Florida east coast through tonight. The center of Isaias will then move offshore of the coast of Georgia and southern South Carolina on Monday, move inland over eastern South Carolina or southern North Carolina Monday night and move along the coast of the mid-Atlantic states on Tuesday. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Some fluctuations in strength are possible during the next 36 hours, but Isaias is expected to be a strong tropical storm when it reaches the coast of eastern South Carolina or southern North Carolina Monday night. Slow weakening is forecast after Isaias makes landfall in the Carolinas and moves across the U.S. mid-Atlantic region late Monday and Tuesday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. A 51 mph (82 km/h) wind gust was recently measured at NOAA buoy 41009, just off the coast of Cape Canaveral. NOAA buoy 41010, located about 130 miles (210 km) east-northeast of Cape Canaveral reported sustained winds of 49 mph (79 km/h) with a wind gust to 63 mph (101 km/h) within the past couple of hours. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Edisto Beach SC to Cape Fear NC...2-4 ft Sebastian Inlet FL to Edisto Beach SC...1-3 ft North of Cape Fear NC to Kiptopeke VA including Pamlico Sound, Albemarle Sound, Neuse River, Pamlico River, Chesapeake Bay, and the Tidal Potomac River...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Hurricane conditions are possible in the watch area in South and North Carolina Monday night and early Tuesday. Tropical storm conditions will spread northward within the Tropical Storm Warning area from Florida to North Carolina through Monday night. Tropical storm conditions are possible in the Tropical Storm Watch area beginning on Tuesday. RAINFALL: The following rainfall accumulations are expected along and near the track of Isaias: Northwest Bahamas: Additional 1 to 3 inches, isolated storm totals 12 inches. Eastern Florida: Additional 1 to 2 inches, isolated storm totals 4 inches. Coastal Georgia: 1 to 2 inches. Carolinas and the mid-Atlantic: 3 to 6 inches, isolated maximum totals 8 inches. Southeast New York and much of New England: 2 to 4 inches, isolated maximum totals 6 inches. Heavy rainfall from Isaias will continue to result in potentially life-threatening flash flooding in the Northwest Bahamas through tonight. Flash and urban flooding, some of which may be significant in the eastern Carolinas and the mid-Atlantic, is expected through midweek along and near the path of Isaias across the East Coast of the United States. Widespread minor to moderate river flooding is possible across portions of the Carolinas and the mid-Atlantic. Additionally, quick-responding rivers in the southern Appalachians and Northeast will be susceptible to minor river flooding. SURF: Swells generated by Isaias are affecting portions of the Bahamas and the southeast coast of the United States and will spread northward along the U.S. east coast during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: A few tornadoes will be possible over coastal South Carolina during the afternoon and evening on Monday, and across eastern North Carolina Monday evening and overnight. NEXT ADVISORY ------------- Next intermediate advisory at 200 AM EDT. Next complete advisory at 500 AM EDT. $$ Forecaster Pasch
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Tropical Storm Isaias Public Advisory Number 23A
2020-08-03 01:42:16| National Hurricane Center (Atlantic)
Issued at 800 PM EDT Sun Aug 02 2020 000 WTNT34 KNHC 022342 TCPAT4 BULLETIN Tropical Storm Isaias Intermediate Advisory Number 23A NWS National Hurricane Center Miami FL AL092020 800 PM EDT Sun Aug 02 2020 ...ISAIAS CONTINUES MOVING NORTH-NORTHWESTWARD JUST OFFSHORE OF THE EAST-CENTRAL FLORIDA COAST... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...28.2N 79.7W ABOUT 55 MI...90 KM ESE OF CAPE CANAVERAL FLORIDA ABOUT 385 MI...620 KM S OF MYRTLE BEACH SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NNW OR 345 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.32 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Edisto Beach South Carolina to Cape Fear North Carolina A Storm Surge Watch is in effect for... * Cape Fear to Duck North Carolina * Pamlico and Albemarle Sounds A Hurricane Watch is in effect for... * South Santee River South Carolina to Surf City North Carolina A Tropical Storm Warning is in effect for... * Sebastian Inlet Florida to Ocracoke Inlet North Carolina A Tropical Storm Watch is in effect for... * Ocracoke Inlet North Carolina to Watch Hill Rhode Island * Pamlico and Albemarle Sounds * Chesapeake Bay * Tidal Potomac River * Delaware Bay * Long Island and Long Island Sound Interests elsewhere along the northeast coast of the United States should monitor the progress of Isaias. Additional watches or warnings may be required tonight or early Monday. A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, generally within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 PM EDT (0000 UTC), the center of Tropical Storm Isaias was located by a NOAA Hurricane Hunter aircraft near latitude 28.2 North, longitude 79.7 West. Isaias is moving toward the north-northwest near 9 mph (15 km/h), and this general motion is expected to continue through tonight. A turn toward the north and north-northeast along with an increase in forward speed is anticipated on Monday and Tuesday. On the forecast track, the center of Isaias will pass just to the east of the Florida east coast through tonight. The center of Isaias will then move offshore of the coast of Georgia and southern South Carolina on Monday, move inland over eastern South Carolina or southern North Carolina Monday night and move along the coast of the mid-Atlantic states on Tuesday. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Some fluctuations in strength will be possible during the next 36 hours, but Isaias is expected to be a strong tropical storm when it reaches the coast of eastern South Carolina or southern North Carolina Monday night. Slow weakening is forecast after Isaias makes landfall in the Carolinas and moves across the U.S. mid-Atlantic region late Monday and Tuesday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. NOAA buoy 41009, located just off the coast of Cape Canaveral, recently reported a sustained wind of 45 mph (72 km/h) and a gust of 54 mph (87 km/h). A Florida Institute of Technology observing station at Sebastien Inlet measured a sustained wind of 39 mph (63 km/h) and a gust of 48 mph (78 km/h) during the past couple of hours. The minimum central pressure estimated from NOAA Hurricane Hunter aircraft observations is 993 mb (29.32 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Edisto Beach SC to Cape Fear NC...2-4 ft Sebastian Inlet FL to Edisto Beach SC...1-3 ft North of Cape Fear NC to Kiptopeke VA including Pamlico Sound, Albemarle Sound, Neuse River, Pamlico River, Chesapeake Bay, and the Tidal Potomac River...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Hurricane conditions are possible in the watch area in South and North Carolina Monday night and early Tuesday. Tropical storm conditions will spread northward within the Tropical Storm Warning area from Florida to North Carolina through Monday night. Tropical storm conditions are possible in the Tropical Storm Watch area beginning on Tuesday. RAINFALL: The following rainfall accumulations are expected along and near the track of Isaias: Northwest Bahamas: Additional 1 to 3 inches, isolated storm totals 12 inches. Eastern Florida: Additional 1 to 3 inches, isolated storm totals 4 inches. Coastal Georgia: 1 to 2 inches. Carolinas and the Mid-Atlantic: 3 to 6 inches, isolated maximum totals 8 inches. Southeast New York and much of New England: 2 to 4 inches, isolated maximum totals 6 inches. Heavy rainfall from Isaias will continue to result in potentially life-threatening flash flooding in the Northwestern Bahamas through tonight. Flash and urban flooding, some of which may be significant in the eastern Carolinas and the Mid-Atlantic, is expected through midweek along and near the path of Isaias across the East Coast of the United States. Widespread minor to isolated moderate river flooding is possible across portions of the Carolinas and the Mid-Atlantic. SURF: Swells generated by Isaias are affecting portions of the Bahamas and the southeast coast of the United States and will spread northward along the U.S. east coast during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: A few tornadoes will be possible over coastal South Carolina during the afternoon and evening on Monday, and across eastern North Carolina Monday evening and overnight. NEXT ADVISORY ------------- Next complete advisory at 1100 PM EDT. $$ Forecaster Pasch
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Tropical Storm Isaias Public Advisory Number 23
2020-08-02 22:45:09| National Hurricane Center (Atlantic)
Issued at 500 PM EDT Sun Aug 02 2020 486 WTNT34 KNHC 022045 TCPAT4 BULLETIN Tropical Storm Isaias Advisory Number 23 NWS National Hurricane Center Miami FL AL092020 500 PM EDT Sun Aug 02 2020 ...ISAIAS STRENGTHENS SLIGHTLY WHILE MOVING NORTH-NORTHWESTWARD JUST OFFSHORE THE EAST-CENTRAL FLORIDA COAST... ...HURRICANE WATCH AND STORM SURGE WARNING ISSUED FOR PORTIONS OF THE CAROLINAS... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...27.8N 79.8W ABOUT 65 MI...105 KM SE OF CAPE CANAVERAL FLORIDA ABOUT 410 MI...660 KM S OF MYRTLE BEACH SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NNW OR 345 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Storm Surge Warning is in effect from Edisto Beach South Carolina to Cape Fear North Carolina. A Storm Surge Watch is in effect from Cape Fear to Duck North Carolina, including Pamlico and Albemarle Sounds. A Hurricane Watch is in effect from South Santee River South Carolina to Surf City North Carolina. The Tropical Storm Warning has been extended northward to Ocracoke Inlet North Carolina. The Tropical Storm Watch has been extended northward to Watch Hill Rhode Island, including the Chesapeake Bay, the Tidal Potomac River, Delaware Bay, Long Island and Long Island Sound. The Tropical Storm Warning has been discontinued south of Sebastian Inlet Florida. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Edisto Beach South Carolina to Cape Fear North Carolina A Storm Surge Watch is in effect for... * Cape Fear to Duck North Carolina * Pamlico and Albemarle Sounds A Hurricane Watch is in effect for... * South Santee River South Carolina to Surf City North Carolina A Tropical Storm Warning is in effect for... * Sebastian Inlet Florida to Ocracoke Inlet North Carolina A Tropical Storm Watch is in effect for... * Ocracoke Inlet North Carolina to Watch Hill Rhode Island * Pamlico and Albemarle Sounds * Chesapeake Bay * Tidal Potomac River * Delaware Bay * Long Island and Long Island Sound Interests elsewhere along the northeast coast of the United States should monitor the progress of Isaias. Additional watches or warnings may be required tonight or early Monday. A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, generally within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 PM EDT (2100 UTC), the center of Tropical Storm Isaias was located by an Air Force Reserve reconnaissance aircraft and NOAA Doppler weather radars near latitude 27.8 North, longitude 79.8 West. Isaias is moving toward the north-northwest near 9 mph (15 km/h), and this general motion is expected to continue through tonight. A turn toward the north and north-northeast along with an increase in forward speed is anticipated on Monday and Tuesday. On the forecast track, the center of Isaias will pass just to the east of the Florida east coast through tonight. The center of Isaias will move offshore of the coast of Georgia and southern South Carolina on Monday, move inland over eastern North Carolina Monday night and move along the coast of the mid-Atlantic states on Tuesday. Data from the aircraft and the Melbourne, Florida, Doppler radar indicate that maximum sustained winds have increased to near 70 mph (110 km/h) with higher gusts. Some fluctuations in strength will be possible during the next 36 hours, but Isaias is expected to be a strong tropical storm when it reaches the coast of northern South Carolina and southern North Carolina Monday night. Slow weakening is forecast after Isaias makes landfall in the Carolinas and moves across the U.S. mid-Atlantic region late Monday and Tuesday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. A weather station at Sebastian Inlet, Florida, recently measured a wind gust of 49 mph (80 km/h). The minimum central pressure based on reports from the reconnaissance aircraft is estimated to be 994 mb (29.36 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Edisto Beach SC to Cape Fear NC...2-4 ft Sebastian Inlet FL to Edisto Beach SC...1-3 ft North of Cape Fear NC to Kiptopeke VA including Pamlico Sound, Albemarle Sound, Neuse River, Pamlico River, Chesapeake Bay, and the Tidal Potomac River...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Hurricane conditions are be possible in the watch area in South and North Carolina Monday night and early Tuesday. Tropical storm conditions will spread northward within the Tropical Storm Warning area from Florida to North Carolina through Monday night. Tropical storm conditions are possible in the Tropical Storm Watch area beginning on Tuesday. RAINFALL: The following rainfall accumulations are expected along and near the track of Isaias: Northwest Bahamas: Additional 1 to 3 inches, isolated storm totals 12 inches. Eastern Florida: Additional 1 to 3 inches, isolated storm totals 4 inches. Coastal Georgia: 1 to 2 inches. Carolinas and the Mid-Atlantic: 3 to 6 inches, isolated maximum totals 8 inches. Southeast New York and much of New England: 2 to 4 inches, isolated maximum totals 6 inches. Heavy rainfall from Isaias will continue to result in potentially life-threatening flash flooding in the Northwestern Bahamas through tonight. Flash and urban flooding, some of which may be significant in the eastern Carolinas and the Mid-Atlantic, is expected through midweek along and near the path of Isaias across the East Coast of the United States. Widespread minor to isolated moderate river flooding is possible across portions of the Carolinas and the Mid-Atlantic. SURF: Swells generated by Isaias are affecting portions of the Bahamas and the southeast coast of the United States and will spread northward along the U.S. east coast during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: A few tornadoes will be possible over coastal South Carolina during the afternoon and evening on Monday, and across eastern North Carolina Monday evening and overnight. NEXT ADVISORY ------------- Next intermediate advisory at 800 PM EDT. Next complete advisory at 1100 PM EDT. $$ Forecaster Stewart
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Tropical Storm Isaias Public Advisory Number 22A
2020-08-02 19:55:08| National Hurricane Center (Atlantic)
Issued at 200 PM EDT Sun Aug 02 2020 000 WTNT34 KNHC 021755 TCPAT4 BULLETIN Tropical Storm Isaias Intermediate Advisory Number 22A NWS National Hurricane Center Miami FL AL092020 200 PM EDT Sun Aug 02 2020 ...ISAIAS MOVING SLOWLY NORTH-NORTHWESTWARD JUST OFFSHORE THE EAST-CENTRAL FLORIDA COAST... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...27.4N 79.7W ABOUT 45 MI...75 KM ESE OF VERO BEACH FLORIDA ABOUT 90 MI...150 KM SE OF CAPE CANAVERAL FLORIDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NNW OR 345 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Watch is in effect for... * Edisto Beach South Carolina to Cape Fear North Carolina A Tropical Storm Warning is in effect for... * Jupiter Inlet Florida to Surf City North Carolina A Tropical Storm Watch is in effect for... * North of Surf City to Duck North Carolina * Pamlico and Albemarle Sounds Interests elsewhere along the mid-Atlantic coast of the United States should monitor the progress of Isaias. Additional watches or warnings may be required later today. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, generally within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 PM EDT (1800 UTC), the center of Tropical Storm Isaias was located by an Air Force Reserve reconnaissance aircraft and NOAA Doppler weather radar near latitude 27.4 North, longitude 79.7 West. Isaias is moving toward the north-northwest near 9 mph (15 km/h) and this general motion is expected to continue through Monday morning. A turn toward the north and north-northeast is anticipated on Monday and Tuesday with an increase in forward speed. On the forecast track, the center of Isaias will move near the east coast of Florida today through late tonight. On Monday and Tuesday, the center of Isaias will move from offshore the coast of Georgia into the mid-Atlantic states. Data from the aircraft and the Melbourne, Florida, Doppler radar data indicate that maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Some fluctuations in strength will be possible during the next 48 hours. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. During the past couple of hours, the NOAA C-MAN station at Settlement Point, Grand Bahama Island, measured a wind gust of 48 mph (78 km/h), and a weather station at Sebastian Inlet, Florida measured a wind gust of 46 mph (74 km/h). The minimum central pressure based on reports from the reconnaissance aircraft is estimated to be 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Edisto Beach SC to Cape Fear NC...2-4 ft Jupiter Inlet FL to Edisto Beach SC...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions are expected to spread northward along the coast of Florida within the warning area through tonight. These conditions will spread northward along the coasts of Georgia, South Carolina, and North Carolina within the warning area on Monday and Tuesday. Tropical storm conditions are possible in the watch area in North Carolina on Tuesday. RAINFALL: The following rainfall accumulations are expected along and near the track of Isaias: Northwest Bahamas: 4 to 8 inches, with isolated maximum totals of 12 inches. Eastern Florida: 2 to 4 inches, with isolated maximum totals of 6 inches. Northeast Florida and coastal Georgia: 1 to 3 inches. Carolinas and the mid Atlantic: 3 to 5 inches, with isolated maximum totals of 7 inches. Southeast New York and much of New England: 2 to 4 inches, with isolated maximum totals of 6 inches. Heavy rainfall from Isaias will continue to result in potentially life-threatening flash flooding in the Northwest Bahamas through tonight. Flash and urban flooding, some of which may be significant in the coastal Carolinas and Virginia, is expected through midweek along and near the path of Isaias across the East Coast of the United States. Widespread minor to isolated moderate river flooding is possible across portions of the Carolinas and Mid-Atlantic. SURF: Swells generated by Isaias are affecting portions of the Bahamas and the southeast coast of the United States and will spread northward along the U.S. east coast during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: The potential for a couple tornadoes will begin along coastal South Carolina during the late afternoon and evening on Monday, spreading across eastern North Carolina on Monday night. NEXT ADVISORY ------------- Next complete advisory at 500 PM EDT. $$ Forecaster Stewart
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Tropical Storm Isaias Public Advisory Number 22
2020-08-02 16:51:03| National Hurricane Center (Atlantic)
Issued at 1100 AM EDT Sun Aug 02 2020 000 WTNT34 KNHC 021450 TCPAT4 BULLETIN Tropical Storm Isaias Advisory Number 22 NWS National Hurricane Center Miami FL AL092020 1100 AM EDT Sun Aug 02 2020 ...HEAVY RAINFALL AND STRONG GUSTY WINDS CONTINUE OVER THE NORTHWESTERN BAHAMAS... ...TROPICAL STORM WARNING AND WATCH EXTENDED NORTHWARD ALONG THE U.S. EAST COAST... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...26.9N 79.6W ABOUT 55 MI...90 KM SE OF FORT PIERCE FLORIDA ABOUT 120 MI...195 KM SSE OF CAPE CANAVERAL FLORIDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Warning has been issued from South Santee River South Carolina to Surf City North Carolina. A Tropical Storm Watch has been issued for the North Carolina coast from north of Surf City to Duck, including Pamlico and Albemarle Sounds. The Tropical Storm Warning south of Jupiter Inlet Florida and for Lake Okeechobee has been discontinued. The Storm Surge Watch for the Florida east coast has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Watch is in effect for... * Edisto Beach South Carolina to Cape Fear North Carolina A Tropical Storm Warning is in effect for... * Jupiter Inlet Florida to Surf City North Carolina A Tropical Storm Watch is in effect for... * North of Surf City to Duck North Carolina * Pamlico and Albemarle Sounds Interests elsewhere along the mid-Atlantic coast of the United States should monitor the progress of Isaias. Additional watches or warnings may be required later today. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, generally within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM EDT (1500 UTC), the center of Tropical Storm Isaias was located by NOAA Doppler weather radars near latitude 26.9 North, longitude 79.6 West. Isaias is moving toward the north-northwest near 8 mph (13 km/h) and this general motion is expected to continue through Monday morning. A turn toward the north and north-northeast is anticipated on Monday and Tuesday with an increase in forward speed. On the forecast track, the center of Isaias will move near the east coast of Florida today through late tonight. On Monday and Tuesday, the center of Isaias will move from offshore the coast of Georgia into the mid-Atlantic states. Doppler radar data indicate that maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Some fluctuations in strength will be possible during the next 48 hours. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. During the past couple of hours, the NOAA C-MAN station at Settlement Point, Grand Bahama Island, measured a wind gust of 64 mph (103 km/h). A wind gust to 62 mph (100 km/h) was reported at Freeport, Grand Bahama Island. Along the east coast of Florida, tropical-storm-force wind gusts have been observed from Juno Beach northward to Port St. Lucie. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Edisto Beach SC to Cape Fear NC...2-4 ft Jupiter Inlet FL to Edisto Beach SC...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions will continue over portions of the Northwestern Bahamas for the next few hours. Tropical storm conditions are expected to spread northward along the coast of Florida within the warning area through tonight. These conditions will spread northward along the coasts of Georgia, South Carolina, and North Carolina within the warning area on Monday and Tuesday. Tropical storm conditions are possible in the watch area in North Carolina on Tuesday. RAINFALL: The following rainfall accumulations are expected along and near the track of Isaias: Northwest Bahamas: 4 to 8 inches, with isolated maximum totals of 12 inches. Eastern Florida: 2 to 4 inches, with isolated maximum totals of 6 inches. Northeast Florida and coastal Georgia: 1 to 3 inches. Carolinas and the mid Atlantic: 3 to 5 inches, with isolated maximum totals of 7 inches. Southeast New York and much of New England: 2 to 4 inches, with isolated maximum totals of 6 inches. Heavy rainfall from Isaias will continue to result in potentially life-threatening flash flooding in the Northwest Bahamas through tonight. Flash and urban flooding, some of which may be significant in the coastal Carolinas and Virginia, is expected through midweek along and near the path of Isaias across the East Coast of the United States. Widespread minor to isolated moderate river flooding is possible across portions of the Carolinas and Mid-Atlantic. SURF: Swells generated by Isaias are affecting portions of the Bahamas and the southeast coast of the United States and will spread northward along the U.S. east coast during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: The potential for a couple tornadoes will begin along coastal South Carolina during the late afternoon and evening on Monday, spreading across eastern North Carolina on Monday night. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Stewart
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