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Tropical Storm Henri Public Advisory Number 16

2021-08-19 22:38:57| National Hurricane Center (Atlantic)

Issued at 500 PM EDT Thu Aug 19 2021 000 WTNT33 KNHC 192038 TCPAT3 BULLETIN Tropical Storm Henri Advisory Number 16 NWS National Hurricane Center Miami FL AL082021 500 PM EDT Thu Aug 19 2021 ...HENRI EXPECTED TO STRENGTHEN ON FRIDAY AND OVER THE WEEKEND... ...INTERESTS IN THE NORTHEASTERN U.S. SHOULD MONITOR ITS PROGRESS... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...29.7N 71.4W ABOUT 450 MI...720 KM SSE OF CAPE HATTERAS NORTH CAROLINA ABOUT 800 MI...1285 KM S OF NANTUCKET MASSACHUSETTS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 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. Watches will likely be required for a portion of this area early Friday. DISCUSSION AND OUTLOOK ---------------------- At 500 PM EDT (2100 UTC), the center of Tropical Storm Henri was located near latitude 29.7 North, longitude 71.4 West. Henri is moving toward the west near 10 mph (17 km/h) and this motion is expected to through tonight. A turn toward the northwest is forecast on Friday, followed by an acceleration toward the north and north-northeast Saturday and Sunday. On the forecast track, the center of Henri will remain well offshore of the east coast of the United States over the next couple of days, but it is forecast to be near southern New England on Sunday and Monday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little change in strength is expected during the next 12 to 24 hours, but Henri is forecast to intensify into a hurricane by Friday night with additional strengthening expected this weekend. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Henri may produce rainfall amounts of 2 to 5 inches over southeastern New England Sunday into Monday, with isolated maximum totals near 8 inches. Heavy rainfall from Henri may result in areas of flash, urban, and small stream flooding. 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 1100 PM EDT. $$ Forecaster Cangialosi

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Tropical Storm Henri Forecast Advisory Number 16

2021-08-19 22:38:23| National Hurricane Center (Atlantic)

Issued at 2100 UTC THU AUG 19 2021 000 WTNT23 KNHC 192038 TCMAT3 TROPICAL STORM HENRI FORECAST/ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082021 2100 UTC THU AUG 19 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. INTERESTS IN THE NORTHEASTERN U.S. AND ATLANTIC CANADA SHOULD MONITOR THE PROGRESS OF HENRI. WATCHES WILL LIKELY BE REQUIRED FOR A PORTION OF THIS AREA TONIGHT OR EARLY FRIDAY. TROPICAL STORM CENTER LOCATED NEAR 29.7N 71.4W AT 19/2100Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 40NE 40SE 0SW 0NW. 34 KT....... 80NE 60SE 40SW 60NW. 12 FT SEAS.. 90NE 60SE 75SW 90NW. 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 29.7N 71.4W AT 19/2100Z AT 19/1800Z CENTER WAS LOCATED NEAR 29.6N 71.0W FORECAST VALID 20/0600Z 30.1N 72.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT... 80NE 70SE 50SW 60NW. FORECAST VALID 20/1800Z 31.0N 73.2W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 40SE 10SW 20NW. 34 KT... 90NE 90SE 60SW 50NW. FORECAST VALID 21/0600Z 33.0N 72.6W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 20SE 0SW 0NW. 50 KT... 40NE 40SE 20SW 20NW. 34 KT... 90NE 100SE 80SW 50NW. FORECAST VALID 21/1800Z 36.0N 71.3W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 30NE 30SE 20SW 0NW. 50 KT... 50NE 60SE 40SW 30NW. 34 KT...100NE 120SE 90SW 70NW. FORECAST VALID 22/0600Z 38.9N 70.3W MAX WIND 80 KT...GUSTS 100 KT. 50 KT... 50NE 60SE 40SW 30NW. 34 KT...100NE 120SE 100SW 70NW. FORECAST VALID 22/1800Z 40.8N 70.1W MAX WIND 65 KT...GUSTS 80 KT. 50 KT... 40NE 40SE 30SW 30NW. 34 KT... 90NE 120SE 90SW 60NW. 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 23/1800Z 42.3N 69.6W MAX WIND 50 KT...GUSTS 60 KT. OUTLOOK VALID 24/1800Z 43.6N 65.7W...POST-TROPICAL MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.7N 71.4W NEXT ADVISORY AT 20/0300Z $$ FORECASTER CANGIALOSI

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Tropical Storm Linda Public Advisory Number 39

2021-08-19 22:32:55| Tropical Depression LIDIA

...LINDA BARELY A TROPICAL CYCLONE AS IT CROSSES INTO THE CENTRAL PACIFIC... Location: 19.7°N 139.5°W Max sustained: 50 mph Moving: W at 17 mph Min pressure: 1005 mb Issued at 1100 AM HST Thu Aug 19 2021

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Tropical Storm Linda Forecast Advisory Number 39

2021-08-19 22:32:55| Tropical Depression LIDIA

Issued at 2100 UTC THU AUG 19 2021

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Tropical Storm Grace Public Advisory Number 25A

2021-08-19 19:47:23| National Hurricane Center (Atlantic)

Issued at 100 PM CDT Thu Aug 19 2021 000 WTNT32 KNHC 191747 TCPAT2 BULLETIN Tropical Storm Grace Intermediate Advisory Number 25A NWS National Hurricane Center Miami FL AL072021 100 PM CDT Thu Aug 19 2021 ...GUSTY WINDS AND HEAVY RAIN CONTINUE ACROSS YUCATAN PENINSULA... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...20.5N 89.5W ABOUT 80 MI...130 KM ENE OF CAMPECHE MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 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... * Yucatan Peninsula of Mexico from Tulum to Campeche * 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 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. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Tropical Storm Grace was located near latitude 20.5 North, longitude 89.5 West. Grace is moving toward the west near 18 mph (30 km/h). A general westward to west-northwestward motion is expected today, followed by a general westward to west-southwestward motion at a slower speed over the weekend. On the forecast track, Grace is expected to continue to move across the Yucatan Peninsula during the next few hours, and move over the southwest Gulf of Mexico this evening through Friday. Grace is expected to make a second landfall on the mainland coast of Mexico late Friday or early Saturday. Maximum sustained winds have decreased to near 60 mph (95 km/h) with higher. Re-intensification is likely after the center reaches the Gulf of Mexico. Grace is forecast to be a hurricane when it makes its second landfall on the mainland coast of Mexico late Friday or early Saturday. Rapid weakening is expected after Grace moves inland over central Mexico. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 997 mb (29.44 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: Tropical storm conditions will continue within the tropical storm warning area in the Yucatan Peninsula for several more hours. Hurricane conditions are expected in the hurricane warning area in mainland Mexico by late Friday or early Saturday. Tropical storm conditions are expected within the tropical storm warning area in mainland Mexico by late Friday. RAINFALL: Grace is expected to produce the following rainfall amounts: Over north-central 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, northern Puebla and into Hidalgo...6 to 12 inches of rain with isolated maximum totals of 18 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 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. Elevated water levels will gradually recede along the coast of the Yucatan Peninsula during the next several hours. SURF: Swells generated by Grace will continue to affect portions of the western Caribbean today. High surf generated by Grace will begin to affect the southern Gulf of Mexico coastline on Friday and over 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 PM CDT. $$ Forecaster Cangialosi/Papin

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