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Tropical Depression Ten Public Advisory Number 6
2021-08-29 16:33:05| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Sun Aug 29 2021 000 WTNT35 KNHC 291432 TCPAT5 BULLETIN Tropical Depression Ten Advisory Number 6 NWS National Hurricane Center Miami FL AL102021 1100 AM AST Sun Aug 29 2021 ...TROPICAL DEPRESSION MOVING NORTHWARD OVER THE CENTRAL TROPICAL ATLANTIC... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...18.8N 50.2W ABOUT 770 MI...1240 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...N OR 350 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Tropical Depression Ten was located near latitude 18.8 North, longitude 50.2 West. The depression is moving toward the north near 12 mph (19 km/h). A motion toward the north or north-northeast at a slower forward speed is expected through Wednesday, keeping the depression over the central Atlantic during the upcoming week. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Little change in strength is forecast during the next couple of days, but the depression could become a tropical storm by Tuesday or Wednesday. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Berg
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Hurricane Ida Public Advisory Number 13
2021-08-29 13:57:33| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Sun Aug 29 2021 000 WTNT34 KNHC 291157 TCPAT4 BULLETIN Hurricane Ida Special Advisory Number 13 NWS National Hurricane Center Miami FL AL092021 700 AM CDT Sun Aug 29 2021 ...LIFE-THREATENING STORM SURGE AND HURRICANE-FORCE WINDS REACHING THE COAST OF SOUTHEASTERN LOUISIANA... ...EXTREMELY DANGEROUS CATEGORY 4 HURRICANE IDA EXPECTED TO MAKE LANDFALL IN SOUTHEASTERN LOUISIANA IN THE NEXT FEW HOURS... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...28.5N 89.6W ABOUT 50 MI...85 KM SW OF THE MOUTH OF THE MISSISSIPPI RIVER ABOUT 100 MI...160 KM SE OF HOUMA LOUISIANA MAXIMUM SUSTAINED WINDS...150 MPH...240 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...933 MB...27.55 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * East of Rockefeller Wildlife Refuge Louisiana to the Alabama/Florida border * Vermilion Bay, Lake Borgne, Lake Pontchartrain, Lake Maurepas, and Mobile Bay A Hurricane Warning is in effect for... * Intracoastal City Louisiana to the Mouth of the Pearl River * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning is in effect for... * Cameron Louisiana to west of Intracoastal City Louisiana * Mouth of the Pearl River to the Alabama/Florida border A Storm Surge Warning means there is a danger of life-threatening inundation from rising water moving inland from the coastline 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 Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. 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 700 AM CDT (1200 UTC), the eye of Hurricane Ida was located near latitude 28.5 North, longitude 89.6 West. Ida is moving toward the northwest near 15 mph (24 km/h), and this general motion should continue through tonight and early Monday, followed by a slower northward motion on Monday afternoon. A northeastward turn is forecast by Monday night. On the forecast track, the center of Ida will make landfall along the coast of southeastern Louisiana within the hurricane warning area late this morning or early this afternoon. Ida is then forecast to move well inland over portions of Louisiana and western Mississippi on Monday and Monday night. Reports from Air Force Reserve and NOAA hurricane hunter aircraft indicate that the maximum sustained winds are near 150 mph (240 km/h) with higher gusts. Ida is an extremely dangerous category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some additional strengthening is forecast, and Ida is expected to be an extremely dangerous major hurricane when it makes landfall along the Louisiana coast. Rapid weakening is expected after landfall. Hurricane-force winds extend outward up to 50 miles (85 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). An elevated NOAA C-MAN station at Pilot's Station East near Southwest Pass, Louisiana, recently reported a sustained wind of 92 mph (148 km/h) and a gust to 113 mph (181 km/h). Another NOAA elevated C-MAN station at Southwest Pass recently reported a sustained wind of 92 mph (148 km/h). The latest minimum central pressure reported by a NOAA reconnaissance aircraft is 933 mb (27.55 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Ida can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at hurricanes.gov/graphics_at4.shtml?key_messages. 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... Port Fourchon, LA to Mouth of the Mississippi River...12-16 ft Morgan City, LA to Port Fourchon, LA...8-12 ft Mouth of the Mississippi River to Bay St. Louis, MS including Lake Borgne...8-12 ft Burns Point, LA to Morgan City, LA...6-9 ft Bay St. Louis, MS to Ocean Springs, MS...6-9 ft Lake Pontchartrain...5-8 ft Ocean Springs, MS to MS/AL border...4-7 ft Intracoastal City, LA to Burns Point, LA including Vermilion Bay...4-6 ft Lake Maurepas...4-6 ft Pecan Island, LA to Intracoastal City, LA...2-4 ft MS/AL border to AL/FL border including Mobile Bay...3-5 ft Sabine Pass to Pecan Island, LA...1-3 ft AL/FL border to Okaloosa/Walton County Line including Pensacola Bay...1-3 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. The deepest water will occur along the immediate coast near and to the east of the landfall location, where the surge will be accompanied by large and dangerous 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: Catastrophic wind damage is likely where the core of Ida moves onshore along the southeast coast of Louisiana in the next few hours. Hurricane conditions are expected in the Hurricane Warning area along the Louisiana coast beginning by later this morning with tropical storm conditions expected to begin by early this morning. These conditions will spread inland over portions of Louisiana and Mississippi tonight and Monday. RAINFALL: Heavy rainfall from Ida will begin to impact the southeast Louisiana coast this morning, spreading northeast into the Lower Mississippi Valley later today into Monday. Total rainfall accumulations of 10 to 18 inches with isolated maximum amounts of 24 inches are possible across southeast Louisiana into far southern Mississippi through Monday. This is likely to result in life-threatening flash and urban flooding and significant riverine flooding impacts. Ida is forecast to turn to the northeast early Monday and track across the Middle Tennessee Valley and Ohio Valley through Wednesday, producing the following rainfall totals: Coastal Alabama to the far western Florida panhandle: 5 to 10 inches with isolated maximum amounts of 15 inches, today through Tuesday morning. Central Mississippi: 4 to 8 inches with isolated maximum amounts of 12 inches, tonight through Monday night. Middle Tennessee Valley to the Ohio Valley: 3 to 6 inches with isolated higher amounts, Tuesday into Wednesday. These rainfall totals will result in considerable flash and riverine flooding. TORNADOES: Tornadoes will be possible today into Monday from southeast Louisiana across southeast Mississippi and southwest Alabama to the western Florida Panhandle. SURF: Swells are beginning to reach the northern Gulf coast and will continue to affect that area through Monday. 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 1000 AM CDT. $$ Forecaster Brown/Brennan
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Hurricane Nora Public Advisory Number 15A
2021-08-29 13:37:32| National Hurricane Center (East Pacific)
Issued at 700 AM CDT Sun Aug 29 2021 000 WTPZ34 KNHC 291137 TCPEP4 BULLETIN Hurricane Nora Intermediate Advisory Number 15A NWS National Hurricane Center Miami FL EP142021 700 AM CDT Sun Aug 29 2021 ...NORA VERY NEAR THE COAST OF WEST-CENTRAL MEXICO... ...HEAVY RAINS AND FLOODING CONTINUE... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...22.8N 106.1W ABOUT 30 MI...50 KM SE OF MAZATLAN MEXICO ABOUT 240 MI...385 KM E OF CABO SAN LUCAS MEXICO MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...NNW OR 345 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * San Blas to Altata Mexico A Hurricane Watch is in effect for... * North of Altata to Topolobampo Mexico A Tropical Storm Warning is in effect for... * North of Altata to Topolobampo Mexico A Tropical Storm Watch is in effect for... * Cabo San Lucas to La Paz Mexico A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. 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. Interests elsewhere along the coasts of Sinaloa, Sonora, and Baja California Sur should monitor the progress of Nora. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 AM CDT (1200 UTC), the center of Hurricane Nora was located near latitude 22.8 North, longitude 106.1 West. Nora is moving toward the north-northwest near 12 mph (19 km/h). This general motion is expected to continue today, followed by a slower northwestward motion tonight through Tuesday. Nora is forecast to move very near and roughly parallel to the coast of Mexico early this week. However, even a small deviation to the right of the forecast track could cause Nora to move inland and dissipate within the next day or so. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Only slight weakening is forecast during the day or two if Nora's center stays over water. However, rapid weakening will likely occur if the center moves inland. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 105 miles (165 km). The estimated minimum central pressure is 985 mb (29.09 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Nora can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP4, WMO header WTPZ44 KNHC, and on the web at hurricanes.gov/graphics_ep4.shtml?key_messages. WIND: Hurricane conditions are likely in portions of the Hurricane Warning area today and tonight. Hurricane conditions are possible in the Hurricane Watch area on Monday. Tropical storm conditions are likely in the Tropical Storm Warning area in mainland Mexico beginning later today, and are possible within the Tropical Storm Watch area in Baja California Sur on Monday. RAINFALL: Nora is expected to produce additional rainfall of 2 to 4 inches across the coastal portions of the states of Guerrero and Michoacan through Monday. Heavy rainfall is likely along the west coast of Mexico from Colima to Sonora through late week as Nora lifts northward through the Gulf of California. Rainfall of 8 to 12 inches with maximum amounts of 20 inches is possible. This rainfall will produce life-threatening flash flooding and mudslides. Rainfall of 2 to 4 inches with maximum amounts of 6 inches is possible in Baja California Sur. Toward the middle and latter part of the week, moisture associated with Nora is likely to bring heavy rainfall and the potential for scattered flash flooding to portions of the southwestern U.S. and central Rockies. STORM SURGE: A storm surge is expected to produce significant coastal flooding in areas of onshore winds. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Nora are affecting the southwestern coast of Mexico and will spread northward to the coast of Baja California Sur and into the Gulf of California early this week. 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 1000 AM CDT. $$ Forecaster Reinhart
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Hurricane Ida Public Advisory Number 12
2021-08-29 11:19:04| National Hurricane Center (Atlantic)
Issued at 400 AM CDT Sun Aug 29 2021 000 WTNT34 KNHC 290918 CCA TCPAT4 BULLETIN Hurricane Ida Advisory Number 12...Corrected NWS National Hurricane Center Miami FL AL092021 400 AM CDT Sun Aug 29 2021 Corrected storm surge heights for Mississippi coast ...DANGEROUS CATEGORY 4 HURRICANE IDA STRENGTHENS SOME MORE... ...LIFE-THREATENING STORM SURGE, POTENTIALLY CATASTROPHIC WIND DAMAGE, AND FLOODING RAINFALL WILL IMPACT PORTIONS OF THE NORTHERN GULF COAST BEGINNING LATER THIS MORNING... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...28.0N 89.1W ABOUT 75 MI...120 KM S OF THE MOUTH OF THE MISSISSIPPI RIVER ABOUT 145 MI...235 KM SE OF HOUMA LOUISIANA MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...946 MB...27.94 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * East of Rockefeller Wildlife Refuge Louisiana to the Alabama/Florida border * Vermilion Bay, Lake Borgne, Lake Pontchartrain, Lake Maurepas, and Mobile Bay A Hurricane Warning is in effect for... * Intracoastal City Louisiana to the Mouth of the Pearl River * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning is in effect for... * Cameron Louisiana to west of Intracoastal City Louisiana * Mouth of the Pearl River to the Alabama/Florida border 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 within the next 6 to 12 hours. 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, in this case within the next 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 400 AM CDT (0900 UTC), the center of Hurricane Ida was located near latitude 28.0 North, longitude 89.1 West. Ida is moving toward the northwest near 15 mph (24 km/h), and this general motion should continue through tonight and early Monday, followed by a slower northward motion on Monday afternoon. A northeastward turn is forecast by Monday night. On the forecast track, the center of Ida will continue moving across the north-central Gulf of Mexico this morning, and make landfall along the coast of southeastern Louisiana within the hurricane warning area this afternoon or evening. Ida is then forecast to move well inland over portions of Louisiana and western Mississippi on Monday and Monday night. Satellite and Doppler radar data indicate that maximum sustained winds have increased to near 140 mph (220 km/h) with higher gusts. Ida is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some additional strengthening is forecast, and Ida is expected to be an extremely dangerous major hurricane when it makes landfall along the Louisiana coast this afternoon. Rapid weakening is expected after landfall. Hurricane-force winds extend outward up to 40 miles (65 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 946 mb (27.94 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Ida can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at hurricanes.gov/graphics_at4.shtml?key_messages. 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... Port Fourchon, LA to Mouth of the Mississippi River...12-16 ft Morgan City, LA to Port Fourchon, LA ...8-12 ft Mouth of the Mississippi River to Bay St. Louis, MS including Lake Borgne...8-12 ft Burns Point, LA to Morgan City, LA...6-9 ft Bay St. Louis, MS to Ocean Springs, MS...6-9 ft Lake Pontchartrain...5-8 ft Ocean Springs, MS to MS/AL border...4-7 ft Intracoastal City, LA to Burns Point, LA including Vermilion Bay...4-6 ft Lake Maurepas...4-6 ft Pecan Island, LA to Intracoastal City, LA...2-4 ft MS/AL border to AL/FL border including Mobile Bay...3-5 ft Sabine Pass to Pecan Island, LA...1-3 ft AL/FL border to Okaloosa/Walton County Line including Pensacola Bay...1-3 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. The deepest water will occur along the immediate coast near and to the east of the landfall location, where the surge will be accompanied by large and dangerous 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 in the Hurricane Warning area along the Louisiana coast beginning by later this morning with tropical storm conditions expected to begin by early this morning. These conditions will spread inland over portions of Louisiana and Mississippi tonight and Monday. RAINFALL: Heavy rainfall from Ida will begin to impact the southeast Louisiana coast this morning, spreading northeast into the Lower Mississippi Valley later today into Monday. Total rainfall accumulations of 10 to 18 inches with isolated maximum amounts of 24 inches are possible across southeast Louisiana into far southern Mississippi through Monday. This is likely to result in life-threatening flash and urban flooding and significant riverine flooding impacts. Ida is forecast to turn to the northeast early Monday and track across the Middle Tennessee Valley and Ohio Valley through Wednesday, producing the following rainfall totals: Coastal Alabama to the far western Florida panhandle: 5 to 10 inches with isolated maximum amounts of 15 inches, today through Tuesday morning. Central Mississippi: 4 to 8 inches with isolated maximum amounts of 12 inches, tonight through Monday night. Middle Tennessee Valley to the Ohio Valley: 3 to 6 inches with isolated higher amounts, Tuesday into Wednesday. These rainfall totals will result in considerable flash and riverine flooding. TORNADOES: Tornadoes will be possible today into Monday from southeast Louisiana across southeast Mississippi and southwest Alabama to the western Florida Panhandle. SURF: Swells are beginning to reach the northern Gulf coast and will continue to affect that area through Monday. 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 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Stewart
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Tropical Depression Eleven Public Advisory Number 2
2021-08-29 10:57:30| National Hurricane Center (Atlantic)
Issued at 500 AM AST Sun Aug 29 2021 000 WTNT31 KNHC 290857 TCPAT1 BULLETIN Tropical Depression Eleven Advisory Number 2 NWS National Hurricane Center Miami FL AL112021 500 AM AST Sun Aug 29 2021 ...DEPRESSION ACCELERATING NORTHEASTWARD... ...EXPECTED TO BECOME A TROPICAL STORM LATER TODAY... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...34.0N 48.6W ABOUT 1235 MI...1985 KM W OF THE AZORES MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NE OR 50 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 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 Eleven was located near latitude 34.0 North, longitude 48.6 West. The depression is moving a bit faster toward the northeast near 15 mph (24 km/h) and this direction of motion is expected to continue with further acceleration through Monday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast, and the depression is expected to become to a tropical storm later today. The system is then forecast to become post-tropical by Monday. The estimated minimum central pressure is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Papin
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