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Tropical Storm Henri Public Advisory Number 6

2021-08-17 10:30:55| National Hurricane Center (Atlantic)

Issued at 500 AM AST Tue Aug 17 2021 000 WTNT33 KNHC 170830 TCPAT3 BULLETIN Tropical Storm Henri Advisory Number 6 NWS National Hurricane Center Miami FL AL082021 500 AM AST Tue Aug 17 2021 ...HENRI STRENGTHENS A LITTLE MORE AS IT CONTINUES TO MOVE SLOWLY SOUTHWESTWARD... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...30.6N 63.7W ABOUT 135 MI...215 KM SSE OF BERMUDA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WSW OR 240 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Bermuda A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Storm Henri was located near latitude 30.6 North, longitude 63.7 West. Henri is moving toward the west-southwest near 5 mph (7 km/h). A turn toward the west is forecast by tonight, and a slightly faster westward motion should continue through early Thursday. A turn to the west-northwest or northwest is expected by late Thursday. On the forecast track, the center of Henri should pass well to the south of Bermuda late today or tonight. Maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Some additional strengthening is possible during the next day or so. Henri remains a small tropical cyclone. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible across Bermuda and the nearby waters today, particularly to the south of the island. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Latto

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Tropical Storm Henri Forecast Advisory Number 6

2021-08-17 10:30:55| National Hurricane Center (Atlantic)

Issued at 0900 UTC TUE AUG 17 2021 000 WTNT23 KNHC 170830 TCMAT3 TROPICAL STORM HENRI FORECAST/ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082021 0900 UTC TUE AUG 17 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * BERMUDA A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 30.6N 63.7W AT 17/0900Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 240 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 30NE 30SE 20SW 0NW. 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 30.6N 63.7W AT 17/0900Z AT 17/0600Z CENTER WAS LOCATED NEAR 30.6N 63.5W FORECAST VALID 17/1800Z 30.4N 64.4W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 0SE 0SW 0NW. 34 KT... 40NE 30SE 20SW 20NW. FORECAST VALID 18/0600Z 30.3N 65.7W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 0SE 0SW 0NW. 34 KT... 40NE 40SE 20SW 30NW. FORECAST VALID 18/1800Z 30.2N 67.1W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 0SE 0SW 0NW. 34 KT... 50NE 50SE 30SW 40NW. FORECAST VALID 19/0600Z 30.3N 68.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 20SE 0SW 20NW. 34 KT... 70NE 60SE 30SW 50NW. FORECAST VALID 19/1800Z 30.8N 69.8W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 20SE 0SW 20NW. 34 KT... 70NE 60SE 40SW 50NW. FORECAST VALID 20/0600Z 31.6N 70.6W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 20SE 0SW 20NW. 34 KT... 70NE 70SE 50SW 50NW. 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 21/0600Z 34.0N 69.1W MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 22/0600Z 36.0N 66.0W MAX WIND 55 KT...GUSTS 65 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.6N 63.7W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 17/1200Z NEXT ADVISORY AT 17/1500Z $$ FORECASTER LATTO

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Atlantic Tropical Weather Outlook

2021-08-17 07:48:27| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 170548 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Tue Aug 17 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Fred, located over southeastern Alabama, on recently upgraded Tropical Storm Grace, located between southwestern Haiti and Jamaica, and on Tropical Storm Henri, located over 100 miles south-southeast of Bermuda. Tropical cyclone formation is not expected during the next 5 days. $$ Forecaster Latto

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Tropical Storm Grace Graphics

2021-08-17 07:48:04| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Tue, 17 Aug 2021 05:48:04 GMT Wind Speed Probabilities last updated Tue, 17 Aug 2021 03:29:20 GMT

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Summary for Tropical Storm Grace (AT2/AL072021)

2021-08-17 07:47:25| National Hurricane Center (Atlantic)

...RECONNAISSANCE AIRCRAFT FINDS GRACE HAS BECOME A TROPICAL STORM AGAIN... ...EXTREME HEAVY RAIN CAUSING FLOODING ACROSS PORTIONS OF HISPANIOLA... As of 2:00 AM EDT Tue Aug 17 the center of Grace was located near 18.1, -74.5 with movement W at 14 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

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