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Tropical Storm Isaias Public Advisory Number 7
2020-07-30 04:48:45| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Wed Jul 29 2020 000 WTNT34 KNHC 300248 TCPAT4 BULLETIN Tropical Storm Isaias Advisory Number 7 NWS National Hurricane Center Miami FL AL092020 1100 PM AST Wed Jul 29 2020 ...DISTURBANCE BECOMES TROPICAL STORM ISAIAS (PRONOUNCED ees-ah-EE-ahs)... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...15.8N 67.0W ABOUT 155 MI...250 KM S OF PONCE PUERTO RICO ABOUT 265 MI...430 KM SE OF SANTO DOMINGO DOMINICAN REPUBLIC MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Antigua has discontinued the Tropical Storm Warning for Anguilla. The government of the Bahamas has upgraded the Tropical Storm Watch for the Central Bahamas to a Tropical Storm Warning and has issued a Tropical Storm Watch for the Northwestern Bahamas. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Puerto Rico, Vieques, Culebra * U.S. Virgin Islands * British Virgin Islands * St. Martin and St. Barthelemy * Saba and St. Eustatius * St. Maarten * Dominican Republic entire southern and northern coastlines * North coast of Haiti from Le Mole St Nicholas eastward to the northern border with the Dominican Republic * Turks and Caicos Islands * Southeastern Bahamas including the Acklins, Crooked Island, Long Cay, the Inaguas, Mayaguana, and the Ragged Islands * Central Bahamas, including Cat Island, the Exumas, Long Island, Rum Cay, and San Salvador A Tropical Storm Watch is in effect for... * Northwestern Bahamas including Andros Island, New Providence, Eleuthera, Abacos Islands, Berry Islands, Grand Bahamas Island, and Bimini Interests in Cuba and the Florida peninsula should monitor the progress of this system. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area 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 AST (0300 UTC), the center of Tropical Storm Isaias was located near latitude 15.8 North, longitude 67.0 West. Isaias is moving toward the west-northwest near 20 mph (31 km/h), and a west-northwestward to northwestward motion with some decrease in forward speed is expected over the next couple of days. On the forecast track, the center of Isaias will move over Hispaniola on Thursday and near the Southeastern Bahamas by early Friday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Some weakening is likely when the center moves over Hispaniola with some strengthening expected by Friday. Tropical-storm-force winds extend outward up to 345 miles (555 km) mainly to the northeast of the center. The estimated minimum central pressure is 1004 mb (29.65 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. WIND: Tropical storm conditions will continue across portions of the Leeward Islands, the U.S. and British Virgin Islands and Puerto Rico through tonight. These conditions are forecast to reach portions of the Dominican Republic and Haiti within the warning area by late tonight or early Thursday, and the southeastern Bahamas and Turks and Caicos Thursday afternoon. Tropical storm conditions are expected in the Central Bahamas beginning Friday morning and are possible in the northwestern Bahamas beginning late Friday. RAINFALL: Isaias is expected to produce the following rain accumulations: Across the British and U.S. Virgin Islands and Turks and Caicos: 3 to 6 inches. Across Puerto Rico, the Dominican Republic, northern Haiti, and eastern Cuba: 3 to 6 inches, with isolated maximum totals of 8 inches. Across the southeastern Bahamas: 4 to 8 inches. These rainfall amounts may lead to life-threatening flash flooding and mudslides, as well as potential riverine flooding beginning today. Urban and small stream flooding is expected for the U.S. Virgin Islands, eastern Puerto Rico, and Hispaniola. SURF: Swells generated by Isaias will be affecting portions of the Leeward Islands, the Virgin Islands, and Puerto Rico through Thursday. These swells are forecast to reach the north coast of the Dominican Republic, the Turks and Caicos Islands and the southeastern Bahamas tonight or Thursday. 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 200 AM AST. Next complete advisory at 500 AM AST. $$ Forecaster Pasch
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Tropical Storm Isaias Forecast Advisory Number 7
2020-07-30 04:48:45| National Hurricane Center (Atlantic)
Issued at 0300 UTC THU JUL 30 2020 000 WTNT24 KNHC 300248 TCMAT4 TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020 0300 UTC THU JUL 30 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF ANTIGUA HAS DISCONTINUED THE TROPICAL STORM WARNING FOR ANGUILLA. THE GOVERNMENT OF THE BAHAMAS HAS UPGRADED THE TROPICAL STORM WATCH FOR THE CENTRAL BAHAMAS TO A TROPICAL STORM WARNING AND HAS ISSUED A TROPICAL STORM WATCH FOR THE NORTHWESTERN BAHAMAS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * PUERTO RICO...VIEQUES...CULEBRA * U.S. VIRGIN ISLANDS * BRITISH VIRGIN ISLANDS * ST. MARTIN AND ST. BARTHELEMY * SABA AND ST. EUSTATIUS * ST. MAARTEN * DOMINICAN REPUBLIC ENTIRE SOUTHERN AND NORTHERN COASTLINES * NORTH COAST OF HAITI FROM LE MOLE ST NICHOLAS EASTWARD TO THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC * TURKS AND CAICOS ISLANDS * SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED ISLANDS * CENTRAL BAHAMAS...INCLUDING CAT ISLAND...THE EXUMAS...LONG ISLAND...RUM CAY...AND SAN SALVADOR A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTHWESTERN BAHAMAS INCLUDING ANDROS ISLAND...NEW PROVIDENCE...ELEUTHERA...ABACOS ISLANDS...BERRY ISLANDS...GRAND BAHAMAS ISLAND...AND BIMINI INTERESTS IN CUBA AND THE FLORIDA PENINSULA SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 15.8N 67.0W AT 30/0300Z POSITION ACCURATE WITHIN 75 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......300NE 0SE 0SW 120NW. 12 FT SEAS..420NE 0SE 0SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 15.8N 67.0W AT 30/0300Z AT 30/0000Z CENTER WAS LOCATED NEAR 15.7N 66.3W FORECAST VALID 30/1200Z 17.6N 69.3W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...240NE 40SE 0SW 120NW. FORECAST VALID 31/0000Z 19.4N 72.2W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT...180NE 40SE 0SW 120NW. FORECAST VALID 31/1200Z 21.4N 74.8W...OVER WATER MAX WIND 45 KT...GUSTS 55 KT. 34 KT...150NE 40SE 0SW 100NW. FORECAST VALID 01/0000Z 22.9N 77.3W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 0SE 0SW 0NW. 34 KT...140NE 50SE 0SW 90NW. FORECAST VALID 01/1200Z 24.8N 79.2W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 0SE 0SW 0NW. 34 KT...120NE 60SE 30SW 90NW. FORECAST VALID 02/0000Z 26.6N 80.2W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 20SE 0SW 0NW. 34 KT...120NE 60SE 30SW 80NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 03/0000Z 30.0N 80.5W...INLAND MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 04/0000Z 35.0N 77.0W...INLAND MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.8N 67.0W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 30/0600Z NEXT ADVISORY AT 30/0900Z $$ FORECASTER PASCH
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Summary for Tropical Storm Hanna (AT3/AL082020)
2020-07-26 19:42:44| National Hurricane Center (Atlantic)
...HANNA MOVING WEST-SOUTHWESTWARD OVER NORTHEASTERN MEXICO... ...HEAVY RAIN AND DANGEROUS FLASH FLOODING CONTINUES OVER FAR SOUTHEAST TEXAS AND NORTHEAST MEXICO... As of 1:00 PM CDT Sun Jul 26 the center of Hanna was located near 25.9, -100.1 with movement WSW at 9 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 40 mph.
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Tropical Storm Hanna Public Advisory Number 15A
2020-07-26 19:42:44| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Sun Jul 26 2020 000 WTNT33 KNHC 261742 TCPAT3 BULLETIN Tropical Storm Hanna Intermediate Advisory Number 15A NWS National Hurricane Center Miami FL AL082020 100 PM CDT Sun Jul 26 2020 ...HANNA MOVING WEST-SOUTHWESTWARD OVER NORTHEASTERN MEXICO... ...HEAVY RAIN AND DANGEROUS FLASH FLOODING CONTINUES OVER FAR SOUTHEAST TEXAS AND NORTHEAST MEXICO... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...25.9N 100.1W ABOUT 10 MI...15 KM N OF MONTERREY MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WSW OR 250 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Mexico has discontinued the Tropical Storm Watch along the coast of northeastern Mexico. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. Interests in northeastern Mexico should monitor the progress of Hanna. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Tropical Storm Hanna was located near latitude 25.9 North, longitude 100.1 West. Hanna is moving toward the west-southwest near 9 mph (15 km/h) and this motion is expected to continue through Monday. On the forecast track, the center of Hanna should continue to move farther inland over northeastern Mexico through tonight. Maximum sustained winds have decreased to near 40 mph (65 km/h) with higher gusts. Additional weakening is expected as the center of Hanna moves farther inland, and the cyclone is expected to weaken to a tropical depression later today and dissipate Monday or Monday night. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. A wind gust to 39 mph (63 km/h) was recently reported at Monterrey, Mexico. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Hanna can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC and on the web at www.hurricanes.gov/text/MIATCDAT3.shtml. STORM SURGE: Water levels along the Texas coast will gradually subside through this afternoon. Consult products issued by your local National Weather Service forecast office for additional information. WIND: Tropical storm conditions will continue near the center of Hanna for the next few hours. RAINFALL: Hanna is expected to produce the following rain accumulations and flood threats through Monday: South Texas...Additional 2 to 5 inches. Storm total amounts 6 to 12 inches, isolated 16 inches. Northern Mexican states of Coahuila, Nuevo Leon, Tamaulipas...6 to 12 inches, isolated 16 inches. Northern Mexican states of northern Zacatecas and eastern Durango...1 to 4 inches. This rain will produce life-threatening flash flooding, rapid rises on small streams, and isolated minor to moderate river flooding in South Texas. Flash flooding and mudslides are likely across Northern Mexican states. SURF: Swells generated by Hanna will continue to affect much of the Texas and Louisiana coasts for another day or so. 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 are possible today into this evening across parts of south Texas. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Brown
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Tropical Storm Hanna Graphics
2020-07-26 19:42:31| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sun, 26 Jul 2020 17:42:31 GMT Wind Speed Probabilities last updated Sun, 26 Jul 2020 15:24:42 GMT
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