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Tropical Storm Sally Public Advisory Number 7

2020-09-13 10:54:32| National Hurricane Center (Atlantic)

Issued at 500 AM EDT Sun Sep 13 2020 000 WTNT34 KNHC 130854 TCPAT4 BULLETIN Tropical Storm Sally Advisory Number 7 NWS National Hurricane Center Miami FL AL192020 500 AM EDT Sun Sep 13 2020 ...SALLY STRENGTHENING... ...HURRICANE AND STORM SURGE WARNINGS ISSUED FOR PORTIONS OF THE NORTHERN GULF COAST... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...27.0N 84.0W ABOUT 115 MI...190 KM W OF PORT CHARLOTTE FLORIDA ABOUT 345 MI...550 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Storm Surge Warning has been issued from Port Fourchon Louisiana to Mississippi/Alabama Border. A Hurricane Warning has been issued from Grand Isle Louisiana northeast to Ocean Springs Mississippi, including New Orleans, Lake Pontchartrain and Lake Maurepas. A Hurricane Watch has been issued from east of Morgan City Louisiana to west of Grand Isle. A Tropical Storm Warning has been issued from east of Ocean Springs Mississippi to Indian Pass Florida. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Port Fourchon Louisiana to the Mississippi/Alabama Border * Lake Pontchartrain, Lake Maurepas, and Lake Borgne A Hurricane Warning is in effect for... * Grand Isle Louisiana to Ocean Springs Mississippi * Lake Pontchartrain and Lake Maurepas including metropolitan New Orleans A Storm Surge Watch is in effect for... * Mississippi/Alabama Border to the Alabama/Florida Border A Hurricane Watch is in effect for... * East of Ocean Springs to the Alabama/Florida Border A Tropical Storm Warning is in effect for... * East of Ocean Springs to Indian Pass A Tropical Storm Watch is in effect for... * Indian Pass to Ochlockonee River Florida 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, available 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 Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. 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 Hurricane Watch means that hurricane conditions are possible within the watch area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 12 to 24 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 500 AM EDT (0900 UTC), the center of Tropical Storm Sally was located near latitude 27.0 North, longitude 84.0 West. Sally is moving toward the west-northwest near 13 mph (20 km/h), and a west-northwestward or northwestward motion is expected through Monday. A decrease in forward speed and a turn toward the north- northwest is forecast on Tuesday. On the forecast track, the center of Sally will move over the southeastern and eastern Gulf of Mexico today, move over the north-central Gulf of Mexico tonight and Monday, and approach the north-central Gulf Coast within the hurricane watch area late Monday and Tuesday. Air Force Reserve Hurricane Hunter aircraft indicate that maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Further strengthening is expected over the next couple of days, and Sally is forecast to become a hurricane on Monday, with some additional strengthening possible through early Tuesday. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC. 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... Mouth of the Mississippi River to Ocean Springs including Lake Borgne...7-11 ft Port Fourchon to Mouth of the Mississippi River...4-7 ft Ocean Springs to MS/AL Border...4-7 ft Lake Pontchartrain and Lake Maurepas...4-6 ft MS/AL Border to AL/FL Border including Mobile Bay...2-4 ft AL/FL Border to Chassahowitzka including Pensacola Bay, Choctawhatchee Bay, and Saint Andrew Bay...1-3 ft The deepest water will occur along the immediate coast near and to the right of the landfall location, where the surge will be accompanied by large and damaging 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 expected within the warning area starting late Monday, with hurricane conditions possible within the hurricane watch area by early Tuesday. Tropical storm conditions are possible within the watch area by Monday, and within the warning area late Monday. RAINFALL: Tropical Storm Sally is expected to produce additional rainfall amounts of 1 to 3 inches with isolated amounts of 6 inches across southern and central Florida through Monday. This rainfall will produce flash and urban flooding and prolong high flows and ongoing minor flooding on rivers across Central Florida. Tropical Storm Sally is expected to produce rainfall amounts of 6 to 12 inches with isolated amounts of 20 inches over portions of the Central Gulf Coast between the western Florida Panhandle and far southeast Louisiana from Monday into the middle of the week. Rainfall of 4 to 8 inches is possible farther inland over portions of Mississippi and Alabama. Sally is expected to be a slow moving system resulting in significant flash flooding near the Central Gulf Coast through the middle of the week. Flash, urban and rapid onset flooding along small streams, and minor to isolated major flooding on rivers is likely. SURF: Swells will spread northward along the west-central coast of Florida and reach the Florida Panhandle and the northern Gulf 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. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM EDT. Next complete advisory at 1100 AM EDT. $$ Forecaster Blake

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Tropical Depression Twenty Public Advisory Number 3

2020-09-13 10:52:31| National Hurricane Center (Atlantic)

Issued at 500 AM AST Sun Sep 13 2020 010 WTNT35 KNHC 130852 TCPAT5 BULLETIN Tropical Depression Twenty Advisory Number 3 NWS National Hurricane Center Miami FL AL202020 500 AM AST Sun Sep 13 2020 ...DEPRESSION EXPECTED TO GRADUALLY STRENGTHEN OVER THE NEXT SEVERAL DAYS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...12.2N 35.5W ABOUT 1745 MI...2805 KM E OF THE LESSER ANTILLES ABOUT 815 MI...1310 KM WSW OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Depression Twenty was located near latitude 12.2 North, longitude 35.5 West. The depression is moving toward the west-northwest near 10 mph (17 km/h), and this general motion is expected to continue for the next few days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is expect over the next several days, and the system is forecast to become a tropical storm by Tuesday and it could become a hurricane in a few days. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Stewart

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Hurricane Paulette Public Advisory Number 26

2020-09-13 10:51:35| National Hurricane Center (Atlantic)

Issued at 500 AM AST Sun Sep 13 2020 000 WTNT32 KNHC 130851 TCPAT2 BULLETIN Hurricane Paulette Advisory Number 26 NWS National Hurricane Center Miami FL AL172020 500 AM AST Sun Sep 13 2020 ...PAULETTE MOVING CLOSER TO BERMUDA... ...STRONG WINDS...STORM SURGE...AND HEAVY RAIN EXPECTED TO BEGIN ON BERMUDA BY THIS EVENING... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...29.4N 60.8W ABOUT 310 MI...500 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Bermuda A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Tropical-storm-force winds that make outside preparations difficult or dangerous are expected to reach Bermuda Sunday afternoon or evening. Preparations to protect life and property should be rushed to completion. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Hurricane Paulette was located near latitude 29.4 North, longitude 60.8 West. Paulette is moving toward the west-northwest near 14 mph (22 km/h). A motion toward the west-northwest or northwest is expected through tonight. A turn toward the north with a decrease in forward speed is forecast on Monday, followed by a northeastward motion Monday night and Tuesday. On the forecast track, the center of Paulette will move near or over Bermuda Monday morning. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Strengthening is forecast, and Paulette is expected to be a dangerous hurricane when it approaches Bermuda late tonight and early Monday. Some further strengthening is possible when Paulette turns northeastward and moves away from Bermuda late Monday through Tuesday. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 195 miles (315 km). The estimated minimum central pressure is 981 mb (28.97 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Paulette can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC, and on the web at https://www.hurricanes.gov/text/MIATCDAT2.shtml. WIND: Hurricane conditions are expected to reach Bermuda by tonight or early Monday. Winds are expected to first reach tropical storm strength this afternoon or evening, making outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. STORM SURGE: A dangerous storm surge is expected to produce significant coastal flooding on Bermuda in areas of onshore winds. Near the coast, the surge will be accompanied by large and destructive waves. RAIN: Paulette will bring periods of heavy rain to Bermuda today through Monday, with rainfall of 3 to 6 inches likely. SURF: Swells generated by Paulette are affecting portions of the Leeward Islands, the Greater Antilles, the Bahamas, Bermuda, and the east coast of the United States. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Stewart

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Hurricane Paulette Public Advisory Number 25A

2020-09-13 07:53:01| National Hurricane Center (Atlantic)

Issued at 200 AM AST Sun Sep 13 2020 000 WTNT32 KNHC 130552 TCPAT2 BULLETIN Hurricane Paulette Intermediate Advisory Number 25A NWS National Hurricane Center Miami FL AL172020 200 AM AST Sun Sep 13 2020 ...PAULETTE MOVING TOWARD BERMUDA... ...STRONG WINDS AND HEAVY RAIN EXPECTED TO BEGIN ON BERMUDA BY THIS EVENING... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...29.3N 60.4W ABOUT 330 MI...535 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Bermuda A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Tropical-storm-force winds that make outside preparations difficult or dangerous are expected to reach Bermuda Sunday afternoon or evening. Preparations to protect life and property should be rushed to completion. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 AM AST (0600 UTC), the center of Hurricane Paulette was located near latitude 29.3 North, longitude 60.4 West. Paulette is moving toward the west-northwest near 14 mph (22 km/h). A motion toward the west-northwest or northwest is expected through tonight. A turn toward the north with a decrease in forward speed is forecast on Monday, followed by a northeastward motion Monday night and Tuesday. On the forecast track, the center of Paulette will move near or over Bermuda Monday morning. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Gradual strengthening is forecast, and Paulette is expected to be a dangerous hurricane when it approaches Bermuda late tonight and early Monday. Some further strengthening is possible when Paulette turns northeastward and moves away from Bermuda late Monday through Tuesday. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 195 miles (315 km). The minimum central pressure is estimated to be 981 mb (28.97 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Paulette can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC, and on the web at https://www.hurricanes.gov/text/MIATCDAT2.shtml. WIND: Hurricane conditions are expected to reach Bermuda by Sunday night or early Monday. Winds are expected to first reach tropical storm strength this afternoon or evening, making outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. STORM SURGE: A dangerous storm surge is expected to produce significant coastal flooding on Bermuda in areas of onshore winds. Near the coast, the surge will be accompanied by large and destructive waves. RAIN: Paulette will likely bring periods of heavy rain to Bermuda today through Monday, with rainfall of 3 to 6 inches likely. SURF: Swells generated by Paulette are affecting portions of the Leeward Islands, the Greater Antilles, the Bahamas, Bermuda, and the east coast of the United States. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Stewart

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Tropical Depression Twenty Public Advisory Number 2

2020-09-13 04:47:27| National Hurricane Center (Atlantic)

Issued at 1100 PM AST Sat Sep 12 2020 000 WTNT35 KNHC 130247 TCPAT5 BULLETIN Tropical Depression Twenty Advisory Number 2 NWS National Hurricane Center Miami FL AL202020 1100 PM AST Sat Sep 12 2020 ...DEPRESSION POORLY ORGANIZED FOR NOW BUT FORECAST TO STRENGTHEN NEXT WEEK... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...11.9N 34.6W ABOUT 1805 MI...2905 KM E OF THE LESSER ANTILLES ABOUT 765 MI...1230 KM WSW OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Depression Twenty was located near latitude 11.9 North, longitude 34.6 West. The depression is moving toward the west-northwest near 10 mph (17 km/h), and this general motion is expected to continue for the next few days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is anticipated. The system is forecast to become a tropical storm in about 24 hours and it could become a hurricane in a few days. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Zelinsky

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