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| #1057966 (Received by flhurricane at: 2:12 AM 21.Aug.2021) TCPAT2 BULLETIN Hurricane Grace Intermediate Advisory Number 31A NWS National Hurricane Center Miami FL AL072021 100 AM CDT Sat Aug 21 2021 ...GRACE STRENGTHENS A LITTLE MORE AS IT MAKES LANDFALL SOUTH OF TUXPAN MEXICO... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 97.2W ABOUT 30 MI...50 KM SSE OF TUXPAN MEXICO ABOUT 115 MI...185 KM NNW OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...962 MB...28.41 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. A Tropical Storm Warning means that tropical storm conditions are expected somewhere withing the warning area. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- Satellite imagery and radar data from Mexico indicate that Grace has made landfall along the coast of Mexico near Tecolutla, Mexico, just prior to 100 AM CDT (0600 UTC). At 100 AM CDT (0600 UTC), the center of Hurricane Grace was located just inland near latitude 20.6 North, longitude 97.2 West. Grace is moving toward the west near 10 mph (17 km/h) and this general motion is expected to continue through this evening. On the forecast track, the center of Grace is forecast to farther inland over mainland Mexico today. Maximum sustained winds have increased to near 125 mph (205 km/h) with higher gusts. Grace is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Rapid weakening is expected as Grace moves inland over the mountains of central Mexico later today. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). The estimated minimum central pressure is 962 mb (28.41 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. STORM SURGE: A dangerous storm surge will raise water levels by as much as 6 to 9 ft above normal tide levels along the immediate coast within the hurricane warning area near and north of where the center is making landfall through early this morning. Near the coast, the surge will be accompanied by large and destructive waves. WIND: Hurricane conditions are expected to continue within portions of the hurricane warning area in mainland Mexico through early this morning. Tropical storm conditions are expected to continue within the tropical storm warning area in mainland Mexico through this morning. RAINFALL: Grace is expected to produce the following rainfall amounts: Over Veracruz, Puebla, Tlaxcala, Hidalgo, Queretaro, and eastern San Luis Potosi...6 to 12 inches of rain with isolated maximum totals of 18 inches are expected through Sunday. Heavy rainfall from Grace will result in significant flash and urban flooding as well as mudslides. SURF: High surf generated by Grace will affect the southern Gulf of Mexico coastline 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 400 AM CDT. $$ Forecaster Latto |