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Summary for Tropical Storm Claudette (AT3/AL032021)
2021-06-19 13:49:11| National Hurricane Center (Atlantic)
...CLAUDETTE INLAND OVER SOUTHEASTERN LOUISIANA... ...HEAVY RAINS AND TROPICAL-STORM-FORCE WINDS CONTINUE ALONG PORTIONS OF THE NORTHERN GULF COAST... As of 7:00 AM CDT Sat Jun 19 the center of Claudette was located near 30.4, -90.1 with movement NNE at 12 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 45 mph.
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Tropical Storm Claudette Public Advisory Number 7A
2021-06-19 13:49:11| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Sat Jun 19 2021 000 WTNT33 KNHC 191149 TCPAT3 BULLETIN Tropical Storm Claudette Intermediate Advisory Number 7A NWS National Hurricane Center Miami FL AL032021 700 AM CDT Sat Jun 19 2021 ...CLAUDETTE INLAND OVER SOUTHEASTERN LOUISIANA... ...HEAVY RAINS AND TROPICAL-STORM-FORCE WINDS CONTINUE ALONG PORTIONS OF THE NORTHERN GULF COAST... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...30.4N 90.1W ABOUT 30 MI...45 KM N OF NEW ORLEANS LOUISIANA ABOUT 120 MI...195 KM W OF MOBILE ALABAMA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NNE OR 15 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * East of Morgan City, Louisiana to the Okaloosa/Walton County line Florida. * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. Interests elsewhere along the northern Gulf Coast and across the southeast U.S. should monitor the progress of this system. 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 center of Tropical Storm Claudette was located inland near latitude 30.4 North, longitude 90.1 West. Claudette is moving toward the north-northeast near 12 mph (19 km/h). A turn toward the northeast is expected later today, followed by a motion toward the east-northeast tonight or Sunday. On the forecast track, the system should move farther inland over Louisiana during the next few hours, then move across portions of the southeastern states later today and Sunday, and over the western Atlantic Ocean on Monday. Maximum sustained winds remain near 45 mph (75 km/h) with higher gusts. Claudette is expected to weaken to a tropical depression by tonight and become a post-tropical cyclone on Sunday. The system is forecast to become a tropical storm again over the western Atlantic Ocean on Monday. Tropical-storm-force winds extend outward up to 205 miles (335 km) east of the center. A National Ocean Service station on Petit Bois Island, Mississippi, recently reported maximum winds of 39 mph (63 km/h) with a gust to 46 mph (74 km/h). The estimated minimum central pressure based on surface observations is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Claudette can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC, and on the web at www.hurricanes.gov/graphics_at3.shtml?key_messages. RAINFALL: Claudette is expected to produce rainfall totals of 5 to 10 inches with isolated maximum amounts of 15 inches across portions of the central Gulf Coast. Life-threatening flash flooding impacts are possible across coastal Mississippi and Alabama, and the far western Florida Panhandle through the afternoon. Considerable flash, urban and small stream flooding impacts as well as new and renewed minor to isolated moderate river flooding are likely across the remainder of the Central Gulf Coast. As the system continues to lift northeast through the weekend, heavy rain will expand across central Alabama, central and northern Georgia, and into the Piedmont of the Carolinas, resulting in rainfall totals of 3 to 6 inches with isolated maximum amounts of 8 inches. Flash, urban, small stream and isolated minor river flooding impacts are possible. STORM SURGE: The combination of 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... Morgan City, LA to Okaloosa/Walton County Line, FL...2-3 ft Lake Borgne and Mobile Bay...2-3 ft Lake Pontchartrain and Lake Maurepas...1-2 ft Okaloosa/Walton County Line, FL to Panama City, FL...1-2 ft Pensacola Bay, Choctawhatchee Bay, and Saint Andrew Bay...1-2 ft Cameron, LA to Morgan City, LA...1-2 ft Vermilion Bay...1-2 ft 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 should continue along the coast in the warning area today. TORNADOES: A few tornadoes are possible today and tonight across southern Mississippi, southern Alabama, the western Florida Panhandle, and southwest Georgia. NEXT ADVISORY ------------- Next complete advisory at 1000 AM CDT. $$ Forecaster Cangialosi
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Tropical Storm Dolores Graphics
2021-06-19 11:07:33| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Sat, 19 Jun 2021 09:07:33 GMT Wind Speed Probabilities last updated Sat, 19 Jun 2021 09:29:08 GMT
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Tropical Storm Claudette Forecast Discussion Number 7
2021-06-19 10:59:10| National Hurricane Center (Atlantic)
Issued at 400 AM CDT Sat Jun 19 2021 000 WTNT43 KNHC 190859 TCDAT3 Tropical Storm Claudette Discussion Number 7 NWS National Hurricane Center Miami FL AL032021 400 AM CDT Sat Jun 19 2021 The system that we have been tracking for a few days finally has enough of a well-defined center and organized convection to be considered a tropical storm. While the organization is not classical by any means, and there are some hybrid characteristics, the cyclone most resembles a sheared tropical storm, so the system is now Tropical Storm Claudette. The initial wind speed remains 40 kt, in line with surface observations and radar. These winds are primarily occurring in a strong band on the eastern side of the cyclone well away from the center. Claudette is moving north-northeastward at about 10 kt. The storm should turn northeastward and east-northeastward over the next day or so while it moves around the northern side of the subtropical ridge and gradually weakens to a depression/post-tropical cyclone. The biggest change to the forecast is that almost all of the reliable global models, save the GFS, are showing the system regenerating near or offshore of the North Carolina coast in 60 to 72 hours. Thus the forecast has been extended from the last one and now shows the system as a tropical cyclone over the western Atlantic Ocean. The new intensity forecast is more conservative than most of the guidance, but is higher than the previous advisory. Extratropical transition is expected by 96 hours near Nova Scotia. Given the current and anticipated structure of this system, users should not focus on the exact track of the center, as rainfall and wind hazards are likely to extend well east of the center. Impacts along the northern Gulf coast will continue. Key Messages: 1. Claudette is expected to produce heavy rainfall and life-threatening flash flooding across coastal Mississippi and Alabama, and the far western Florida Panhandle through the afternoon. Considerable flash, urban, and small stream flooding, will continue through the weekend along the central Gulf Coast, with flood impacts spreading northeastward into interior portions of the Southeast. 2. Tropical storm conditions are occurring along portions of the central Gulf Coast from east of Morgan City, Louisiana, to the Okaloosa/Walton County line, Florida, including New Orleans. These winds will spread inland and continue through this afternoon. FORECAST POSITIONS AND MAX WINDS INIT 19/0900Z 29.6N 90.7W 40 KT 45 MPH...INLAND 12H 19/1800Z 30.9N 89.7W 35 KT 40 MPH...INLAND 24H 20/0600Z 32.2N 87.6W 25 KT 30 MPH...INLAND 36H 20/1800Z 33.3N 84.2W 25 KT 30 MPH...POST-TROP/INLAND 48H 21/0600Z 34.2N 80.5W 25 KT 30 MPH...POST-TROP/INLAND 60H 21/1800Z 35.8N 76.0W 30 KT 35 MPH...POST-TROP/INLAND 72H 22/0600Z 38.5N 71.0W 35 KT 40 MPH...TROPICAL CYCLONE 96H 23/0600Z 47.0N 61.0W 35 KT 40 MPH...POST-TROP/EXTRATROP 120H 24/0600Z...DISSIPATED $$ Forecaster Blake
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Tropical Storm Claudette Graphics
2021-06-19 10:58:59| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 19 Jun 2021 08:58:59 GMT Wind Speed Probabilities last updated Sat, 19 Jun 2021 09:23:04 GMT
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