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Tropical Depression One Public Advisory Number 1A

2020-05-17 01:52:27| National Hurricane Center (Atlantic)

Issued at 800 PM EDT Sat May 16 2020 000 WTNT31 KNHC 162352 TCPAT1 BULLETIN Tropical Depression One Intermediate Advisory Number 1A NWS National Hurricane Center Miami FL AL012020 800 PM EDT Sat May 16 2020 ...RECONNAISSANCE AIRCRAFT FINDS THE DEPRESSION A LITTLE BETTER ORGANIZED... ...A TROPICAL STORM WATCH REMAINS IN EFFECT FOR PORTIONS OF THE NORTH CAROLINA COAST... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...28.9N 77.9W ABOUT 175 MI...280 KM ENE OF MELBOURNE FLORIDA ABOUT 460 MI...735 KM SSW OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Surf City to Duck NC * Pamlico and Albemarle Sounds A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. A Tropical Storm Warning could be required for portions of the Watch area by Sunday morning. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 800 PM EDT (0000 UTC), the center of Tropical Depression One was located by an Air Force Reserve reconnaissance aircraft near latitude 28.9 North, longitude 77.9 West. The depression is moving toward the northeast near 14 mph (22 km/h). A motion toward the northeast or north-northeast is expected tonight into Sunday morning. After that time, a faster northeastward motion is expected. On the forecast track, the depression is expected to remain well offshore the east coast of Florida and Georgia tonight and Sunday, and then move near or east of the coast of North Carolina on Monday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast, and the depression is expected to become a tropical storm on Sunday. The minimum central pressure recently measured by a reconnaissance aircraft was 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible within the watch area on Monday. RAINFALL: The depression is expected to produce additional rain accumulations of 1 to 2 inches over the central and northwest Bahamas, and generally less than 1 inch over south Florida through tonight. The depression is also expected to produce total rain accumulations of 1 to 2 inches over coastal North Carolina Sunday night and Monday. SURF: Swells generated by the depression are affecting portions of the east coast of central and northern Florida. These swells are expected to spread northward during the next few days, and could cause life-threatening surf and rip current conditions across much of the U.S. southeast and mid-Atlantic coasts. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 PM EDT. $$ Forecaster Stewart

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Summary for Tropical Depression One (AT1/AL012020)

2020-05-16 23:38:23| National Hurricane Center (Atlantic)

...TROPICAL DEPRESSION FORMS OFF THE COAST OF EAST-CENTRAL FLORIDA... ...TROPICAL STORM WATCH ISSUED FOR A PORTION OF THE NORTH CAROLINA COAST... As of 5:00 PM EDT Sat May 16 the center of One was located near 28.4, -78.6 with movement NNE at 13 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

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Tropical Depression One Public Advisory Number 1

2020-05-16 23:38:23| National Hurricane Center (Atlantic)

Issued at 500 PM EDT Sat May 16 2020 000 WTNT31 KNHC 162137 CCB TCPAT1 BULLETIN Tropical Depression One Advisory Number 1...Corrected NWS National Hurricane Center Miami FL AL012020 500 PM EDT Sat May 16 2020 Corrected Tropical Storm Watch end point to Surf City in summary ...TROPICAL DEPRESSION FORMS OFF THE COAST OF EAST-CENTRAL FLORIDA... ...TROPICAL STORM WATCH ISSUED FOR A PORTION OF THE NORTH CAROLINA COAST... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...28.4N 78.6W ABOUT 125 MI...200 KM E OF MELBOURNE FLORIDA ABOUT 505 MI...810 KM SSW OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Watch has been issued for the North Carolina coast from north of Surf City to Duck, including Pamlico and Albemarle Sounds. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Surf City to Duck NC * Pamlico and Albemarle Sounds 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, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 500 PM EDT (2100 UTC), the center of Tropical Depression One was located near latitude 28.4 North, longitude 78.6 West. The depression is moving toward the north-northeast near 13 mph (20 km/h) and this motion should continue during the next day or so. After that time, a faster northeastward motion is expected. On the forecast track, the depression is expected to move offshore, but parallel to, the coast of Florida tonight, and then move near or east of the coast of North Carolina on Monday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast, and the depression is expected to become a tropical storm on Sunday. The estimated minimum central pressure based on surface observations and earlier aircraft reconnaissance data is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible within the watch area on Monday. RAINFALL: The depression is expected to produce additional rain accumulations of 1 to 2 inches over the central and northwest Bahamas, and generally less than 1 inch over south Florida through tonight. The depression is also expected to produce total rain accumulations of 1 to 2 inches over coastal North Carolina Sunday night and Monday. SURF: Swells generated by the depression are affecting portions of the east coast of central and northern Florida. These swells are expected to spread northward during the next few days, and could cause life-threatening surf and rip current conditions across much of the U.S. southeast and mid-Atlantic coasts. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 800 PM EDT. Next complete advisory at 1100 PM EDT. $$ Forecaster Cangialosi

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Tropical Depression One Forecast Advisory Number 1

2020-05-16 23:36:24| National Hurricane Center (Atlantic)

Issued at 2100 UTC SAT MAY 16 2020 000 WTNT21 KNHC 162135 CCA TCMAT1 TROPICAL DEPRESSION ONE FORECAST/ADVISORY NUMBER 1...CORRECTED NWS NATIONAL HURRICANE CENTER MIAMI FL AL012020 2100 UTC SAT MAY 16 2020 CORRECTED TROPICAL STORM WATCH END POINT TO SURF CITY IN SUMMARY CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE NORTH CAROLINA COAST FROM NORTH OF SURF CITY TO DUCK...INCLUDING PAMLICO AND ALBEMARLE SOUNDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * SURF CITY TO DUCK NC * PAMLICO AND ALBEMARLE SOUNDS A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL DEPRESSION CENTER LOCATED NEAR 28.4N 78.6W AT 16/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 11 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 28.4N 78.6W AT 16/2100Z AT 16/1800Z CENTER WAS LOCATED NEAR 28.0N 78.8W FORECAST VALID 17/0600Z 29.7N 78.0W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 60SE 0SW 0NW. FORECAST VALID 17/1800Z 31.4N 77.4W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 70NE 60SE 0SW 0NW. FORECAST VALID 18/0600Z 33.0N 76.6W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 70NE 70SE 30SW 40NW. FORECAST VALID 18/1800Z 35.2N 74.8W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 90NE 80SE 50SW 50NW. FORECAST VALID 19/0600Z 37.1N 72.3W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 30SE 0SW 0NW. 34 KT...120NE 100SE 70SW 90NW. FORECAST VALID 19/1800Z 38.0N 70.0W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 50NE 30SE 0SW 0NW. 34 KT...180NE 180SE 90SW 120NW. 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 20/1800Z 38.0N 68.5W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 21/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.4N 78.6W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 17/0000Z NEXT ADVISORY AT 17/0300Z $$ FORECASTER CANGIALOSI

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Tropical Depression One Graphics

2020-05-16 23:26:53| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Sat, 16 May 2020 21:26:53 GMT Wind Speed Probabilities last updated Sat, 16 May 2020 21:24:56 GMT

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