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Subtropical Storm Debby Public Advisory Number 1
2018-08-07 16:55:04| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Tue Aug 07 2018 360 WTNT34 KNHC 071454 TCPAT4 BULLETIN Subtropical Storm Debby Advisory Number 1 NWS National Hurricane Center Miami FL AL042018 1100 AM AST Tue Aug 07 2018 ...SUBTROPICAL STORM DEBBY FORMS IN THE NORTH ATLANTIC... ...EXPECTED TO BE SHORT LIVED... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...38.9N 48.5W ABOUT 1160 MI...1870 KM W OF THE AZORES MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...N OR 355 DEGREES AT 16 MPH...26 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 AM AST (1500 UTC), the center of Subtropical Storm Debby was located near latitude 38.9 North, longitude 48.5 West. The storm is moving toward the north near 16 mph (26 km/h), and this general motion with a decrease in forward speed is expected during the next 24 hours. A gradual turn to the northeast is anticipated thereafter. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Debby is forecast to dissipate in a couple of days. Winds of 40 mph extend outward up to 160 miles (260 km) to the northeast of the center. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Avila
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Subtropical Storm Debby Forecast Advisory Number 1
2018-08-07 16:55:04| National Hurricane Center (Atlantic)
Issued at 1500 UTC TUE AUG 07 2018 359 WTNT24 KNHC 071454 TCMAT4 SUBTROPICAL STORM DEBBY FORECAST/ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042018 1500 UTC TUE AUG 07 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. SUBTROPICAL STORM CENTER LOCATED NEAR 38.9N 48.5W AT 07/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH OR 355 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT.......140NE 0SE 0SW 0NW. 12 FT SEAS..120NE 0SE 0SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 38.9N 48.5W AT 07/1500Z AT 07/1200Z CENTER WAS LOCATED NEAR 38.2N 48.2W FORECAST VALID 08/0000Z 41.0N 48.5W MAX WIND 35 KT...GUSTS 45 KT. 34 KT...140NE 0SE 0SW 0NW. FORECAST VALID 08/1200Z 42.7N 48.5W MAX WIND 35 KT...GUSTS 45 KT. 34 KT...120NE 0SE 0SW 0NW. FORECAST VALID 09/0000Z 44.0N 47.0W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 09/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 38.9N 48.5W NEXT ADVISORY AT 07/2100Z $$ FORECASTER AVILA
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Subtropical Storm Debby Wind Speed Probabilities Number 1
2018-08-07 16:55:04| National Hurricane Center (Atlantic)
Issued at 1500 UTC TUE AUG 07 2018 406 FONT14 KNHC 071454 PWSAT4 SUBTROPICAL STORM DEBBY WIND SPEED PROBABILITIES NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042018 1500 UTC TUE AUG 07 2018 AT 1500Z THE CENTER OF SUBTROPICAL STORM DEBBY WAS LOCATED NEAR LATITUDE 38.9 NORTH...LONGITUDE 48.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 35 KTS...40 MPH...65 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 12Z TUE AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 12Z TUE 00Z WED 12Z WED 00Z THU 12Z THU 12Z FRI 12Z SAT PERIODS TO TO TO TO TO TO TO 00Z WED 12Z WED 00Z THU 12Z THU 12Z FRI 12Z SAT 12Z SUN FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER AVILA