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Tropical Storm Grace Public Advisory Number 20
2021-08-18 10:55:16| National Hurricane Center (Atlantic)
Issued at 500 AM EDT Wed Aug 18 2021 248 WTNT32 KNHC 180855 TCPAT2 BULLETIN Tropical Storm Grace Advisory Number 20 NWS National Hurricane Center Miami FL AL072021 500 AM EDT Wed Aug 18 2021 ...OUTER BANDS WITH HEAVY RAINFALL AND GUSTY WINDS BEGINNING TO SPREAD ACROSS THE CAYMAN ISLANDS... ...GRACE STILL FORECAST TO BECOME A HURRICANE LATER TODAY... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...18.8N 80.9W ABOUT 40 MI...65 KM SSE OF GRAND CAYMAN ABOUT 440 MI...710 KM ESE OF TULUM MEXICO MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Jamaica has discontinued the Tropical Storm Warning for Jamaica. The government of Cuba has discontinued the Tropical Storm Warning for the southern coast Cuban provinces of Granma, Las Tunas, and Camaguey. The Tropical Storm Watch for the southern coast of the Cuban provinces of Ciego de Avila, Sancti Spiritus, Cienfuegos, Matanzas have also been discontinued. The government of Mexico has upgraded the Tropical Storm Watch to a Tropical Storm Warning for the north and west coasts of the Yucatan Peninsula from west of Dzilam to Campeche. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Yucatan Peninsula of Mexico from Cancun to Punta Herrero, including Cozumel A Hurricane Watch is in effect for... * Cayman Islands A Tropical Storm Warning is in effect for... * Cayman Islands * Yucatan Peninsula of Mexico from north of Cancun to Campeche * Yucatan Peninsula of Mexico from south of Punta Herrero to Puerto Costa Maya A Tropical Storm Watch is in effect for... * Southern coast Cuban province of Pinar del Rio, as well as Isla de la Juventud 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 Hurricane Watch means that hurricane conditions are possible within the watch area. 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. Interests elsewhere in the Yucatan Peninsula of Mexico should monitor the progress of Grace. Additional watches or warnings may be required later this morning. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM EDT (0900 UTC), the center of Tropical Storm Grace was located near latitude 18.8 North, longitude 80.9 West. Grace is moving toward the west near 16 mph (26 km/h). A general westward to west-northwestward motion is expected for the next several days. On the forecast track, the center of Grace will continue to move near or over the Cayman Islands later this morning. Grace will approach the Yucatan peninsula of Mexico tonight or early Thursday. Maximum sustained winds have increased to near 65 mph (100 km/h) with higher gusts. Grace is forecast to strengthen into a hurricane by tonight, with some additional strengthening possible prior to the center reaching the eastern Yucatan Peninsula. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. A reporting station near Rum Point Beach on the north shore of Grand Cayman recently measured a sustained wind of 40 mph (64 km/h) and a gust to 47 mph (76 km/h). The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Grace can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC and on the web at www.hurricanes.gov/graphics_at2.shtml?key_messages. WIND: Tropical storm conditions are expected along a portion of the southern coast of Cuba within the warning area and over the Cayman Islands through this morning. Hurricane conditions are possible in the Cayman Islands later this morning. Tropical storm conditions are possible along the southern coast of Cuba within the watch area through today. Hurricane conditions are expected within the warning area in the Yucatan Peninsula of Mexico late tonight, with tropical storm conditions beginning as early as this evening. RAINFALL: Grace is expected to produce the following rainfall amounts: Over Jamaica, the Cayman Islands, portions of the Yucatan Peninsula and Vera Cruz state....4 to 8 inches of rain with isolated maximum totals of 12 inches are expected through Friday night. This heavy rainfall could lead to flash and urban flooding, with mudslides possible in Jamaica. STORM SURGE: A storm surge could raise water levels as high as 1 to 3 ft above normal tide levels in portions of the Cayman Islands. A dangerous storm surge will raise water levels by as much as 3 to 5 ft above normal tide levels along the immediate coast near and to the north of where the center makes landfall in the northeastern Yucatan Peninsula late tonight or early Thursday. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Grace will spread westward from Jamaica to the Cayman Islands, the southern coast of Cuba, and the Yucatan Peninsula of Mexico. 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 Stewart
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Hurricane Linda Public Advisory Number 33
2021-08-18 10:54:20| Tropical Depression LIDIA
...STUBBORN LINDA REFUSES TO WEAKEN... ...STILL A CATEGORY 2 HURRICANE... Location: 18.1°N 130.7°W Max sustained: 105 mph Moving: W at 13 mph Min pressure: 975 mb Issued at 1100 PM HST Tue Aug 17 2021
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Hurricane Linda Forecast Advisory Number 33
2021-08-18 10:54:14| Tropical Depression LIDIA
Issued at 0900 UTC WED AUG 18 2021
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Tropical Storm Henri Public Advisory Number 10
2021-08-18 10:53:49| National Hurricane Center (Atlantic)
Issued at 500 AM AST Wed Aug 18 2021 000 WTNT33 KNHC 180853 TCPAT3 BULLETIN Tropical Storm Henri Advisory Number 10 NWS National Hurricane Center Miami FL AL082021 500 AM AST Wed Aug 18 2021 ...HENRI NOW MOVING WESTWARD...NO CHANGE IN STRENGTH... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...30.1N 65.7W ABOUT 160 MI...260 KM SSW OF BERMUDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 260 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Bermuda Weather Service has discontinued the Tropical Storm Watch for Bermuda. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. For additional storm information, please monitor products issued by the Bermuda Weather Service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Storm Henri was located near latitude 30.1 North, longitude 65.7 West. Henri is moving toward the west near 8 mph (13 km/h). A gradual turn to the west-northwest and Northwest by late Thursday is expected, followed by a turn to the northwest on Friday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little change in strength if forecast through Thursday. However, Henri could still become a hurricane by the weekend. Tropical-storm-force winds extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible tonight across Bermuda and the nearby waters, particularly to the south of the island. SURF: Swells generated by Henri should continue to affect Bermuda during the next day or so. Swells could increase along the southeast and mid-Atlantic U.S. coasts by the end of the week. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Roberts
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Tropical Storm Grace Forecast Advisory Number 20
2021-08-18 10:51:45| National Hurricane Center (Atlantic)
Issued at 0900 UTC WED AUG 18 2021 144 WTNT22 KNHC 180851 TCMAT2 TROPICAL STORM GRACE FORECAST/ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 0900 UTC WED AUG 18 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF JAMAICA HAS DISCONTINUED THE TROPICAL STORM WARNING FOR JAMAICA. THE GOVERNMENT OF CUBA HAS DISCONTINUED THE TROPICAL STORM WARNING FOR THE SOUTHERN COAST CUBAN PROVINCES OF GRANMA...LAS TUNAS...AND CAMAGUEY. THE TROPICAL STORM WATCH FOR THE SOUTHERN COAST OF THE CUBAN PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS...CIENFUEGOS... MATANZAS HAVE ALSO BEEN DISCONTINUED. THE GOVERNMENT OF MEXICO HAS UPGRADED THE TROPICAL STORM WATCH TO A TROPICAL STORM WARNING FOR THE NORTH AND WEST COASTS OF THE YUCATAN PENINSULA FROM WEST OF DZILAM TO CAMPECHE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * YUCATAN PENINSULA OF MEXICO FROM CANCUN TO PUNTA HERRERO... INCLUDING COZUMEL A HURRICANE WATCH IS IN EFFECT FOR... * CAYMAN ISLANDS A TROPICAL STORM WARNING IS IN EFFECT FOR... * CAYMAN ISLANDS * YUCATAN PENINSULA OF MEXICO FROM NORTH OF CANCUN TO CAMPECHE * YUCATAN PENINSULA OF MEXICO FROM SOUTH OF PUNTA HERRERO TO PUERTO COSTA MAYA A TROPICAL STORM WATCH IS IN EFFECT FOR... * SOUTHERN COAST CUBAN PROVINCE OF PINAR DEL RIO...AS WELL AS ISLA DE LA JUVENTUD 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 HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. 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. INTERESTS ELSEWHERE IN THE YUCATAN PENINSULA OF MEXICO SHOULD MONITOR THE PROGRESS OF GRACE. ADDITIONAL WATCHES OR WARNINGS MAY BE REQUIRED LATER THIS MORNING. TROPICAL STORM CENTER LOCATED NEAR 18.8N 80.9W AT 18/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 998 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 50NE 0SE 0SW 0NW. 34 KT.......100NE 90SE 0SW 60NW. 12 FT SEAS..120NE 60SE 60SW 60NW. 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 18.8N 80.9W AT 18/0900Z AT 18/0600Z CENTER WAS LOCATED NEAR 18.7N 80.1W FORECAST VALID 18/1800Z 19.3N 83.2W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 0SE 0SW 30NW. 34 KT...100NE 90SE 0SW 60NW. FORECAST VALID 19/0600Z 19.9N 86.4W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 15NE 0SE 0SW 15NW. 50 KT... 50NE 0SE 0SW 40NW. 34 KT...100NE 90SE 0SW 60NW. FORECAST VALID 19/1800Z 20.3N 89.4W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 0SE 0SW 0NW. 34 KT...100NE 60SE 0SW 70NW. FORECAST VALID 20/0600Z 20.6N 92.1W...OVER WATER MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 0SE 0SW 20NW. 34 KT...100NE 40SE 30SW 80NW. FORECAST VALID 20/1800Z 20.7N 94.4W MAX WIND 65 KT...GUSTS 80 KT. 50 KT... 40NE 40SE 0SW 30NW. 34 KT...100NE 70SE 40SW 90NW. FORECAST VALID 21/0600Z 20.7N 96.8W MAX WIND 75 KT...GUSTS 90 KT. 50 KT... 50NE 40SE 0SW 40NW. 34 KT...110NE 90SE 40SW 100NW. 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 22/0600Z 20.6N 101.4W...INLAND MAX WIND 35 KT...GUSTS 45 KT. OUTLOOK VALID 23/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.8N 80.9W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 18/1200Z NEXT ADVISORY AT 18/1500Z $$ FORECASTER STEWART
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