000 WTNT22 KNHC 182040 TCMAT2 HURRICANE GRACE FORECAST/ADVISORY NUMBER 22 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 2100 UTC WED AUG 18 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. 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 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 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 19.7N 83.7W AT 18/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 992 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 15NE 15SE 0SW 10NW. 50 KT....... 50NE 30SE 0SW 20NW. 34 KT.......120NE 90SE 0SW 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 19.7N 83.7W AT 18/2100Z AT 18/1800Z CENTER WAS LOCATED NEAR 19.6N 83.0W FORECAST VALID 19/0600Z 20.2N 86.1W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 50NE 30SE 0SW 30NW. 34 KT...120NE 110SE 20SW 80NW. FORECAST VALID 19/1800Z 20.7N 89.3W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 30SE 0SW 30NW. 34 KT... 90NE 40SE 0SW 60NW. FORECAST VALID 20/0600Z 20.9N 92.2W...OVER WATER MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 20NE 0SE 0SW 0NW. 34 KT...120NE 60SE 0SW 70NW. FORECAST VALID 20/1800Z 20.8N 94.6W...OVER WATER MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 15SE 0SW 15NW. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...120NE 90SE 40SW 100NW. FORECAST VALID 21/0600Z 20.4N 97.3W...INLAND MAX WIND 75 KT...GUSTS 90 KT. 50 KT... 40NE 40SE 0SW 20NW. 34 KT...120NE 90SE 30SW 50NW. FORECAST VALID 21/1800Z 20.0N 99.9W...INLAND MAX WIND 30 KT...GUSTS 40 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 22/1800Z 19.5N 104.0W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. OUTLOOK VALID 23/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.7N 83.7W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 19/0000Z NEXT ADVISORY AT 19/0300Z $$ FORECASTER PASCH