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Hurricane Grace Public Advisory Number 23A

2021-08-19 07:44:08| National Hurricane Center (Atlantic)

Issued at 100 AM CDT Thu Aug 19 2021 000 WTNT32 KNHC 190544 TCPAT2 BULLETIN Hurricane Grace Intermediate Advisory Number 23A NWS National Hurricane Center Miami FL AL072021 100 AM CDT Thu Aug 19 2021 ...GRACE APPROACHING THE EASTERN YUCATAN PENINSULA... ...EXPECTED TO PRODUCE STRONG WINDS AND A DANGEROUS STORM SURGE... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...19.9N 86.4W ABOUT 60 MI...115 KM ESE OF TULUM MEXICO MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES WATCHES AND WARNINGS -------------------- CHANGES 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 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. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 100 AM CDT (0600 UTC), the center of Hurricane Grace was located by an Air Force Reserve Hurricane Hunter aircraft and Cuban radars near latitude 19.9 North, longitude 86.4 West. Grace is moving toward the west near 18 mph (30 km/h). A general westward to west- northwestward motion is expected through Friday, followed by a general westward to west-southwestward motion. On the forecast track, Grace is expected to make landfall in the eastern Yucatan Peninsula during the next six hours, move across the Yucatan Peninsula today, and move over the southwest Gulf of Mexico late tonight through Friday. Data from the reconnaissance aircraft indicate maximum sustained winds remain near 80 mph (130 km/h) with higher gusts. Some strengthening is expected before landfall on the Yucatan Peninsula. Grace is expected to weaken as it crosses Yucatan, but re-intensification is expected when the center reaches the Gulf of Mexico. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). A Weatherflow station located at Cancun, Mexico, recently measured a sustained wind of 45 mph (72 km/h) and a gust to 58 mph (93 km/h). Another Weatherflow station located at Puerto Morelos, Mexico, recently measured a gust to 48 mph (77 km/h). The latest minimum central pressure reported by the aircraft is 986 mb (29.12 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: Hurricane conditions are expected within the warning area in the Yucatan Peninsula of Mexico later this morning, and tropical storm conditions have already begun to spread onshore. Hurricane and tropical storm conditions will spread inland across the Yucatan Peninsula during the day today. Hurricane conditions are possible in the hurricane watch area in mainland Mexico by late Friday, and tropical storm conditions are possible in the tropical storm watch area in mainland Mexico by late Friday. Tropical storm conditions are possible along the southern coast of Cuba within the watch area for the next several hours. RAINFALL: The system is expected to produce the following rainfall amounts: Over central and northern portions of the Yucatan Peninsula...4 to 8 inches of rain with isolated maximum totals of 12 inches are expected through Friday. Heavy rainfall from Grace will likely result in areas of flash and urban flooding. Over central to northern Veracruz...5 to 10 inches of rain with isolated maximum totals of 15 inches are expected from Friday through Sunday. Heavy rainfall from Grace will likely result in areas of flash and urban flooding, and will also be capable of producing mudslides. STORM SURGE: 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 later this morning, and along the eastern mainland coast of Mexico Friday night or early Saturday. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Grace will spread westward from Jamaica and the Cayman Islands to the southern coast of Cuba and the Yucatan Peninsula of Mexico through today. 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 Stewart

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Tropical Storm Henri Public Advisory Number 13

2021-08-19 05:00:12| National Hurricane Center (Atlantic)

Issued at 1100 PM AST Wed Aug 18 2021 000 WTNT33 KNHC 190300 TCPAT3 BULLETIN Tropical Storm Henri Advisory Number 13 NWS National Hurricane Center Miami FL AL082021 1100 PM AST Wed Aug 18 2021 ...HENRI MAINTAINING INTENSITY WITH 70 MPH WINDS... ...INTERESTS IN THE NORTHEASTERN U.S. SHOULD MONITOR ITS PROGRESS... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...29.8N 68.5W ABOUT 280 MI...450 KM SW OF BERMUDA ABOUT 790 MI...1275 KM S OF NANTUCKET MASSACHUSETTS MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in the northeastern U.S. and Atlantic Canada should monitor the progress of Henri. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Storm Henri was located near latitude 29.8 North, longitude 68.5 West. Henri is moving toward the west near 9 mph (15 km/h) and this motion is expected to continue for the next day or so. A sharp turn to the north is expected on Friday with a general northward motion continuing into the weekend. Maximum sustained winds remain near 70 mph (110 km/h) with higher gusts. Little change is strength is forecast during the next day or so, but Henri is expected to become a hurricane on Friday. Tropical-storm-force winds extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Henri should continue to affect Bermuda during the next day or so. Swells are expected to increase across much of the east coast of the U.S. and Atlantic Canada later this week and this weekend. 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 500 AM AST. $$ Forecaster Papin/Beven

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Hurricane Grace Public Advisory Number 23

2021-08-19 04:54:39| National Hurricane Center (Atlantic)

Issued at 1000 PM CDT Wed Aug 18 2021 000 WTNT32 KNHC 190254 TCPAT2 BULLETIN Hurricane Grace Advisory Number 23 NWS National Hurricane Center Miami FL AL072021 1000 PM CDT Wed Aug 18 2021 ...GRACE EXPECTED TO MAKE LANDFALL ON THE EASTERN YUCATAN PENINSULA OF MEXICO EARLY THURSDAY MORNING... ...EXPECTED TO BRING STRONG WINDS AND A DANGEROUS STORM SURGE TO PORTIONS OF THAT AREA... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...19.8N 85.6W ABOUT 125 MI...205 KM ESE OF TULUM MEXICO MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES 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. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1000 PM CDT (0300 UTC), the center of Hurricane Grace was located near latitude 19.8 North, longitude 85.6 West. Grace is moving toward the west near 18 mph (30 km/h). A general west- northwestward to westward motion is expected through Friday, followed by a general westward to west-southwestward motion. On the forecast track, Grace is expected to make landfall in the eastern Yucatan Peninsula during the next six to twelve hours, move across the Yucatan Peninsula on Thursday, and move over the southwest Gulf of Mexico late Thursday through Friday. Maximum sustained winds are near 80 mph (130 km/h) with higher gusts. Some strengthening is expected before landfall on the Yucatan peninsula. Grace is expected to weaken as it crosses Yucatan, but re-intensification is expected when the center reaches the Gulf of Mexico. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The latest minimum central pressure reported by an Air Force Reserve Hurricane Hunter aircraft is 988 mb (29.18 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: Hurricane conditions are expected within the warning area in the Yucatan Peninsula of Mexico late tonight or early Thursday, with tropical storm conditions beginning during the next few hours. Hurricane and tropical storm conditions will spread inland the Yucatan Peninsula during the day Thursday. Hurricane conditions are possible in the hurricane watch area in mainland Mexico by by late Friday, and tropical storm conditions are possible in the tropical storm watch area in mainland Mexico by late Friday. Tropical storm conditions are possible along the southern coast of Cuba within the watch area for the next several hours. RAINFALL: The system is expected to produce the following rainfall amounts: Over central and northern portions of the Yucatan Peninsula...4 to 8 inches of rain with isolated maximum totals of 12 inches are expected through Friday. Heavy rainfall from Grace will likely result in areas of flash and urban flooding. Over central to northern Veracruz...5 to 10 inches of rain with isolated maximum totals of 15 inches are expected from Friday through Sunday. Heavy rainfall from Grace will likely result in areas of flash and urban flooding, and will also be capable of producing mudslides. STORM SURGE: 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 and along the eastern mainland coast of Mexico Friday night or early Saturday. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Grace will spread westward from Jamaica and the Cayman Islands to the southern coast of Cuba and the Yucatan Peninsula of Mexico through Thursday. 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 AM CDT. Next complete advisory at 400 AM CDT. $$ Forecaster Beven

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Hurricane Linda Public Advisory Number 36

2021-08-19 04:52:10| Tropical Depression LIDIA

...LINDA FINALLY ON A MORE DISTINCT WEAKENING TREND... Location: 19.2°N 134.7°W Max sustained: 90 mph Moving: WNW at 16 mph Min pressure: 980 mb Issued at 500 PM HST Wed Aug 18 2021

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Post-Tropical Cyclone Fred Public Advisory Number 38

2021-08-19 04:31:33| National Hurricane Center (Atlantic)

The NHC has issued its final advisory on this system. Public Advisories from the Weather Prediction Center will provide updates as long as the system remains a flood threat. Issued at 1100 PM EDT Wed Aug 18 2021

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