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Hurricane Grace Forecast Advisory Number 23
2021-08-19 04:54:39| National Hurricane Center (Atlantic)
Issued at 0300 UTC THU AUG 19 2021 000 WTNT22 KNHC 190254 TCMAT2 HURRICANE GRACE FORECAST/ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 0300 UTC THU AUG 19 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE METEOROLOGICAL SERVICE OF MEXICO HAS ISSUED A HURRICANE WATCH FOR THE COAST OF MAINLAND MEXICO FROM PUERTO VERACRUZ TO CABO ROJO... AND A TROPICAL STORM WATCH FROM THE COAST OF MAINLAND MEXICO NORTH OF CABO ROJO TO PUERTO DE ALTAMIRA. 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... * THE COAST OF MAINLAND MEXICO FROM PUERTO VERACRUZ TO CABO ROJO A TROPICAL STORM WARNING IS IN EFFECT FOR... * 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 * THE COAST OF MAINLAND MEXICO NORTH OF CABO ROJO TO PUERTO DE ALTAMIRA 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 WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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 EASTERN MAINLAND MEXICO SHOULD MONITOR THE PROGRESS OF GRACE. HURRICANE CENTER LOCATED NEAR 19.8N 85.6W AT 19/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 16 KT ESTIMATED MINIMUM CENTRAL PRESSURE 988 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 30NE 20SE 0SW 20NW. 50 KT....... 70NE 30SE 20SW 30NW. 34 KT.......120NE 90SE 60SW 80NW. 12 FT SEAS..180NE 150SE 60SW 120NW. 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 19.8N 85.6W AT 19/0300Z AT 19/0000Z CENTER WAS LOCATED NEAR 19.8N 84.8W FORECAST VALID 19/1200Z 20.3N 88.1W...INLAND MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 50NE 30SE 0SW 30NW. 34 KT...120NE 110SE 20SW 80NW. FORECAST VALID 20/0000Z 20.6N 91.4W...OVER WATER MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...120NE 60SE 40SW 70NW. FORECAST VALID 20/1200Z 20.7N 94.0W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...120NE 80SE 40SW 80NW. FORECAST VALID 21/0000Z 20.5N 96.1W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 25NE 20SE 15SW 20NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT...120NE 90SE 40SW 100NW. FORECAST VALID 21/1200Z 20.0N 98.8W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 0SE 0SW 30NW. FORECAST VALID 22/0000Z 19.7N 101.6W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. 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 23/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.8N 85.6W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 19/0600Z NEXT ADVISORY AT 19/0900Z $$ FORECASTER BEVEN
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