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Subtropical Storm Debby Public Advisory Number 3
2018-08-08 04:30:38| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Tue Aug 07 2018 706 WTNT34 KNHC 080230 TCPAT4 BULLETIN Subtropical Storm Debby Advisory Number 3 NWS National Hurricane Center Miami FL AL042018 1100 PM AST Tue Aug 07 2018 ...DEBBY CONTINUES NORTHWARD WITH LITTLE CHANGE IN STRENGTH... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...40.3N 49.1W ABOUT 1190 MI...1915 KM WNW OF THE AZORES MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 13 MPH...20 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 Subtropical Storm Debby was located near latitude 40.3 North, longitude 49.1 West. The storm is moving toward the north near 13 mph (20 km/h). A turn toward the northeast is expected by Wednesday night. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Weakening is forecast over the next day or so, and Debby is forecast to dissipate by Thursday. Winds of 40 mph extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Pasch
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Subtropical Storm Debby Forecast Advisory Number 3
2018-08-08 04:30:38| National Hurricane Center (Atlantic)
Issued at 0300 UTC WED AUG 08 2018 708 WTNT24 KNHC 080230 TCMAT4 SUBTROPICAL STORM DEBBY FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042018 0300 UTC WED AUG 08 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. SUBTROPICAL STORM CENTER LOCATED NEAR 40.3N 49.1W AT 08/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT.......120NE 80SE 0SW 0NW. 12 FT SEAS..130NE 0SE 0SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 40.3N 49.1W AT 08/0300Z AT 08/0000Z CENTER WAS LOCATED NEAR 39.8N 49.1W FORECAST VALID 08/1200Z 41.2N 48.9W MAX WIND 35 KT...GUSTS 45 KT. 34 KT...120NE 60SE 0SW 0NW. FORECAST VALID 09/0000Z 42.5N 47.5W MAX WIND 35 KT...GUSTS 45 KT. 34 KT...100NE 60SE 0SW 0NW. FORECAST VALID 09/1200Z 43.9N 44.7W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 10/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.3N 49.1W NEXT ADVISORY AT 08/0900Z $$ FORECASTER PASCH
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Subtropical Storm Debby Graphics
2018-08-07 16:56:31| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Tue, 07 Aug 2018 14:56:31 GMT Wind Speed Probabilities last updated Tue, 07 Aug 2018 15:26:10 GMT
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Subtropical Storm Debby Forecast Discussion Number 1
2018-08-07 16:55:34| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Tue Aug 07 2018 899 WTNT44 KNHC 071455 TCDAT4 Subtropical Storm Debby Discussion Number 1 NWS National Hurricane Center Miami FL AL042018 1100 AM AST Tue Aug 07 2018 The non-tropical low that NHC has been tracking over the North Atlantic for the past few days has developed subtropical characteristics and has been upgraded to subtropical storm status. The tropical-storm-force winds associated with Debby are well removed from the center as indicated by a recent ASCAT pass and are occurring within a cyclonically curved band of moderate convection. Although transition to a tropical cyclone is possible, no significant strengthening is anticipated since the cyclone will soon be moving over cool water and become fully embedded within a larger mid-latitude trough approaching from the west. Debby is expected to dissipate in about 48 hours or earlier. The best estimate of the initial motion is toward the north or 355 degrees at 14 kt. The subtropical storm should continue on this general track with a decrease in forward speed for the next 24 hours or so and then turn to the northeast ahead of the trough, which will eventually absorb Debby. FORECAST POSITIONS AND MAX WINDS INIT 07/1500Z 38.9N 48.5W 35 KT 40 MPH 12H 08/0000Z 41.0N 48.5W 35 KT 40 MPH 24H 08/1200Z 42.7N 48.5W 35 KT 40 MPH 36H 09/0000Z 44.0N 47.0W 30 KT 35 MPH 48H 09/1200Z...DISSIPATED $$ Forecaster Avila
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Summary for Subtropical Storm Debby (AT4/AL042018)
2018-08-07 16:55:04| National Hurricane Center (Atlantic)
...SUBTROPICAL STORM DEBBY FORMS IN THE NORTH ATLANTIC... ...EXPECTED TO BE SHORT LIVED... As of 11:00 AM AST Tue Aug 7 the center of Debby was located near 38.9, -48.5 with movement N at 16 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 40 mph.
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