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Summary for Tropical Depression Eighteen (AT3/AL182021)

2021-09-23 04:37:43| National Hurricane Center (Atlantic)

...TROPICAL DEPRESSION EXPECTED TO TAKE ITS TIME CROSSING THE TROPICAL ATLANTIC... ...LOTS OF TIME TO MONITOR... As of 11:00 PM AST Wed Sep 22 the center of Eighteen was located near 10.2, -35.0 with movement W at 15 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

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Tropical Depression Eighteen Public Advisory Number 2

2021-09-23 04:37:43| National Hurricane Center (Atlantic)

Issued at 1100 PM AST Wed Sep 22 2021 000 WTNT33 KNHC 230237 TCPAT3 BULLETIN Tropical Depression Eighteen Advisory Number 2 NWS National Hurricane Center Miami FL AL182021 1100 PM AST Wed Sep 22 2021 ...TROPICAL DEPRESSION EXPECTED TO TAKE ITS TIME CROSSING THE TROPICAL ATLANTIC... ...LOTS OF TIME TO MONITOR... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...10.2N 35.0W ABOUT 1955 MI...3150 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Depression Eighteen was located near latitude 10.2 North, longitude 35.0 West. The depression is moving toward the west near 15 mph (24 km/h), and this general motion is expected to continue through early Friday. A slower motion toward the west-northwest is expected later on Friday and continuing into the weekend. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Strengthening is forecast during the next few days, and the depression could become a tropical storm on Thursday. It is then forecast to become a hurricane over the weekend. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Berg

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Tropical Depression Eighteen Forecast Advisory Number 2

2021-09-23 04:37:43| National Hurricane Center (Atlantic)

Issued at 0300 UTC THU SEP 23 2021 000 WTNT23 KNHC 230237 TCMAT3 TROPICAL DEPRESSION EIGHTEEN FORECAST/ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 0300 UTC THU SEP 23 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 10.2N 35.0W AT 23/0300Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 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 10.2N 35.0W AT 23/0300Z AT 23/0000Z CENTER WAS LOCATED NEAR 10.2N 34.4W FORECAST VALID 23/1200Z 10.4N 37.0W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 24/0000Z 10.9N 39.6W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 0SE 0SW 40NW. FORECAST VALID 24/1200Z 11.4N 42.1W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 60NE 40SE 0SW 40NW. FORECAST VALID 25/0000Z 12.0N 44.3W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 20SE 0SW 20NW. 34 KT... 70NE 50SE 20SW 40NW. FORECAST VALID 25/1200Z 12.6N 46.0W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 30NE 20SE 10SW 20NW. 34 KT... 80NE 60SE 30SW 50NW. FORECAST VALID 26/0000Z 13.2N 47.5W MAX WIND 80 KT...GUSTS 100 KT. 50 KT... 40NE 30SE 20SW 30NW. 34 KT... 90NE 70SE 40SW 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 27/0000Z 14.5N 50.2W MAX WIND 90 KT...GUSTS 110 KT. OUTLOOK VALID 28/0000Z 16.0N 53.3W MAX WIND 100 KT...GUSTS 120 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 10.2N 35.0W NEXT ADVISORY AT 23/0900Z $$ FORECASTER BERG

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Eastern North Pacific Tropical Weather Outlook

2021-09-23 01:05:39| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 222305 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Wed Sep 22 2021 For the eastern North Pacific...east of 140 degrees west longitude: A broad and elongated area of low pressure located several hundred miles southwest of the southern tip of the Baja California peninsula continues to produce disorganized showers and thunderstorms. Development of this system during the next day or so, if any, is likely to be slow. After that time, this system is forecast to move into an environment of stable air and strong upper-level winds, which should inhibit further development. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Brown

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Atlantic Tropical Weather Outlook

2021-09-23 01:02:10| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 222302 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Wed Sep 22 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Depression Peter, located a few hundred miles north of Puerto Rico, on Tropical Depression Rose, located about 1200 miles west-northwest of the Cabo Verde Islands, and on newly designated Tropical Depression Eighteen, located about 2000 miles east-southeast of the northern Leeward Islands. A gale-force, non-tropical low pressure system, the remnants of Odette, is located about 600 miles west-northwest of the westernmost Azores. This low is expected to be nearly stationary over cold waters through Thursday, but it could become a subtropical or tropical cyclone while it moves southward over marginally warmer waters on Friday and Saturday. Strong upper-level winds are expected to develop over the system during the weekend, which would likely limit its development. Additional information on this system, including gale warnings, can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...60 percent. && Public Advisories on Tropical Depression Eighteen are issued under WMO header WTNT33 KNHC and under AWIPS header MIATCPAT3. Forecast/Advisories on Tropical Depression Eighteen are issued under WMO header WTNT23 KNHC and under AWIPS header MIATCMAT3. High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php $$ Forecaster Berg

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