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Post-Tropical Cyclone Helene Wind Speed Probabilities Number 18
2024-09-27 22:35:32| National Hurricane Center (Atlantic)
Issued at 2100 UTC FRI SEP 27 2024 000 FONT14 KNHC 272035 PWSAT4 POST-TROPICAL CYCLONE HELENE WIND SPEED PROBABILITIES NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092024 2100 UTC FRI SEP 27 2024 AT 2100Z THE CENTER OF POST-TROPICAL CYCLONE HELENE WAS LOCATED NEAR LATITUDE 37.5 NORTH...LONGITUDE 85.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 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 18Z FRI 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 18Z FRI 06Z SAT 18Z SAT 06Z SUN 18Z SUN 18Z MON 18Z TUE PERIODS TO TO TO TO TO TO TO 06Z SAT 18Z SAT 06Z SUN 18Z SUN 18Z MON 18Z TUE 18Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER CANGIALOSI
Category:Transportation and Logistics
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Summary for Tropical Storm Joyce (AT1/AL112024)
2024-09-27 22:35:28| National Hurricane Center (Atlantic)
...JOYCE BECOMES BETTER ORGANIZED AND STRENGTHENS... As of 5:00 PM AST Fri Sep 27 the center of Joyce was located near 18.6, -44.0 with movement NW at 13 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.
Category: Transportation and Logistics
Tropical Storm Joyce Public Advisory Number 2
2024-09-27 22:35:28| National Hurricane Center (Atlantic)
Issued at 500 PM AST Fri Sep 27 2024 510 WTNT31 KNHC 272035 TCPAT1 BULLETIN Tropical Storm Joyce Advisory Number 2 NWS National Hurricane Center Miami FL AL112024 500 PM AST Fri Sep 27 2024 ...JOYCE BECOMES BETTER ORGANIZED AND STRENGTHENS... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...18.6N 44.0W ABOUT 1250 MI...2015 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the center of Tropical Storm Joyce was located near latitude 18.6 North, longitude 44.0 West. Joyce is moving toward the northwest near 13 mph (20 km/h). A west-northwest to northwest motion is expected during the next couple of days, followed by a gradual turn toward the north early next week. Maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Some additional strengthening is possible through early Saturday, followed by gradual weakening through early next week. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center in the northern semicircle. The estimated minimum central pressure is 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Reinhart
Category: Transportation and Logistics