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Hurricane Grace Public Advisory Number 29
2021-08-20 16:47:04| National Hurricane Center (Atlantic)
Issued at 1000 AM CDT Fri Aug 20 2021 000 WTNT32 KNHC 201447 TCPAT2 BULLETIN Hurricane Grace Advisory Number 29 NWS National Hurricane Center Miami FL AL072021 1000 AM CDT Fri Aug 20 2021 ...GRACE EXPECTED TO CONTINUE STRENGTHENING... ...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE HURRICANE WARNING AREA... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...20.6N 94.3W ABOUT 200 MI...325 KM E OF TUXPAN MEXICO ABOUT 155 MI...250 KM NE OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of mainland Mexico from Puerto Veracruz to Cabo Rojo A Tropical Storm Warning is in effect for... * The coast of mainland Mexico from north of Cabo Rojo to Barra del Tordo A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within 12 to 24 hours. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere withing the warning area, in this case within 12 to 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Hurricane Grace was located near latitude 20.6 North, longitude 94.3 West. Grace is moving toward the west near 14 mph (22 km/h). This general motion at a slightly slower forward speed is expected during the next day or so. On the forecast track, the center of Grace is forecast to move across the southwestern Gulf of Mexico this afternoon, and then make landfall along the coast of mainland Mexico within the hurricane warning area this evening or tonight. Data from an Air Force Reserve Hurricane Hunter aircraft indicate that maximum sustained winds are near 85 mph (140 km/h) with higher gusts. Strengthening is forecast until Grace makes landfall, with rapid weakening expected as Grace moves inland over the mountains of central Mexico. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 185 miles (295 km). The estimated minimum central pressure is 982 mb (29.00 inches) is based on data collected by the aircraft. 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. STORM SURGE: A dangerous storm surge will raise water levels by as much as 4 to 6 ft above normal tide levels along the immediate coast within the hurricane warning area near and north of where the center makes landfall tonight. Near the coast, the surge will be accompanied by large and destructive waves. WIND: Hurricane conditions are expected within portions of the hurricane warning area in mainland Mexico by late this evening, with tropical storm conditions expected this afternoon. Tropical storm conditions are expected within the tropical storm warning area in mainland Mexico by late this afternoon. RAINFALL: Grace is expected to produce the following rainfall amounts: Over Veracruz, Puebla, Tlaxcala, Hidalgo, northern Queretaro, and eastern San Luis Potosi...6 to 12 inches with isolated maximum totals of 18 inches are expected today through Sunday. Heavy rainfall from Grace will result in areas of flash and urban flooding as well as mudslides. SURF: High surf generated by Grace will affect the southern Gulf of Mexico coastline today and continue into the weekend. 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 100 PM CDT. Next complete advisory at 400 PM CDT. $$ Forecaster Reinhart/Cangialosi
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Hurricane Grace Forecast Advisory Number 29
2021-08-20 16:46:39| National Hurricane Center (Atlantic)
Issued at 1500 UTC FRI AUG 20 2021 000 WTNT22 KNHC 201446 TCMAT2 HURRICANE GRACE FORECAST/ADVISORY NUMBER 29 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072021 1500 UTC FRI AUG 20 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE COAST OF MAINLAND MEXICO FROM PUERTO VERACRUZ TO CABO ROJO A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE COAST OF MAINLAND MEXICO FROM NORTH OF CABO ROJO TO BARRA DEL TORDO A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 TO 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHING THE WARNING AREA...IN THIS CASE WITHIN 12 TO 24 HOURS. HURRICANE CENTER LOCATED NEAR 20.6N 94.3W AT 20/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 265 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 982 MB EYE DIAMETER 20 NM MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT. 64 KT....... 25NE 0SE 0SW 0NW. 50 KT....... 50NE 30SE 30SW 30NW. 34 KT.......160NE 90SE 80SW 100NW. 12 FT SEAS..210NE 60SE 60SW 180NW. 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 20.6N 94.3W AT 20/1500Z AT 20/1200Z CENTER WAS LOCATED NEAR 20.6N 93.7W FORECAST VALID 21/0000Z 20.4N 95.9W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 25NE 15SE 10SW 20NW. 50 KT... 50NE 30SE 30SW 40NW. 34 KT...140NE 80SE 70SW 110NW. FORECAST VALID 21/1200Z 20.0N 98.2W...INLAND MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 0SE 0SW 20NW. 34 KT...100NE 60SE 30SW 70NW. FORECAST VALID 22/0000Z 19.4N 101.1W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 0SE 0SW 30NW. FORECAST VALID 22/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.6N 94.3W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 20/1800Z NEXT ADVISORY AT 20/2100Z $$ FORECASTER REINHART/CANGIALOSI
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Hurricane Grace Graphics
2021-08-20 14:05:16| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Fri, 20 Aug 2021 12:05:16 GMT Wind Speed Probabilities last updated Fri, 20 Aug 2021 09:22:51 GMT
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Summary for Hurricane Grace (AT2/AL072021)
2021-08-20 13:50:05| National Hurricane Center (Atlantic)
...AIR FORCE HURRICANE HUNTERS FIND GRACE HAS STRENGTHENED INTO A HURRICANE... ...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE HURRICANE WARNING AREA... As of 7:00 AM CDT Fri Aug 20 the center of Grace was located near 20.6, -93.7 with movement W at 15 mph. The minimum central pressure was 983 mb with maximum sustained winds of about 85 mph.
Hurricane Grace Public Advisory Number 28A
2021-08-20 13:50:05| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Fri Aug 20 2021 000 WTNT32 KNHC 201149 TCPAT2 BULLETIN Hurricane Grace Intermediate Advisory Number 28A NWS National Hurricane Center Miami FL AL072021 700 AM CDT Fri Aug 20 2021 ...AIR FORCE HURRICANE HUNTERS FIND GRACE HAS STRENGTHENED INTO A HURRICANE... ...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE HURRICANE WARNING AREA... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 93.7W ABOUT 185 MI...300 KM ENE OF VERACRUZ MEXICO ABOUT 235 MI...380 KM E OF TUXPAN MEXICO MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...983 MB...29.03 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of mainland Mexico from Puerto Veracruz to Cabo Rojo A Tropical Storm Warning is in effect for... * The coast of mainland Mexico from north of Cabo Rojo to Barra del Tordo A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within 24 hours. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere withing the warning area, in this case within 12 to 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 AM CDT (1200 UTC), the center of Hurricane Grace was located near latitude 20.6 North, longitude 93.7 West. Grace is moving toward the west near 15 mph (24 km/h). A westward to west-southwestward motion at a slightly slower forward speed is expected during the next day or two. On the forecast track, the center of Grace is forecast to move across the southwestern Gulf of Mexico today, and then make landfall along the coast of mainland Mexico this evening or tonight. Data from the Air Force Hurricane Hunters indicate that maximum sustained winds have increased to near 85 mph (140 km/h) with higher gusts. More strengthening is likely until Grace makes landfall. After landfall, Grace should weaken rapidly as it moves into the mountains of central Mexico. Hurricane-force winds extend outward up to 35 miles (50 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The minimum central pressure of 983 mb (29.03 inches) is based on data collected by the Air Force Hurricane Hunters. 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: Hurricane conditions are expected in the hurricane warning area in mainland Mexico by late this evening. Tropical storm conditions are expected within the tropical storm warning area in mainland Mexico by late this afternoon. RAINFALL: Grace is expected to produce the following rainfall amounts: Over Veracruz, Puebla, Tlaxcala, Hidalgo, northern Queretaro, and eastern San Luis Potosi...6 to 12 inches of rain with isolated maximum totals of 18 inches are expected today through Sunday. Heavy rainfall from Grace will result in areas of flash and urban flooding as well as mudslides. STORM SURGE: A dangerous storm surge will raise water levels by as much as 3 to 5 ft above normal tide levels within the hurricane warning area along the immediate coast of mainland Mexico near and to the north of where the center makes landfall tonight. Near the coast, the surge will be accompanied by large and destructive waves. SURF: High surf generated by Grace will begin to affect the southern Gulf of Mexico coastline today and continue into the weekend. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1000 AM CDT. $$ Forecaster Reinhart/Cangialosi
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