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Tropical Storm Helene Forecast Advisory Number 8
2024-09-25 10:53:24| National Hurricane Center (Atlantic)
Issued at 0900 UTC WED SEP 25 2024 000 WTNT24 KNHC 250853 TCMAT4 TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092024 0900 UTC WED SEP 25 2024 TROPICAL STORM CENTER LOCATED NEAR 20.7N 86.2W AT 25/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 985 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 60NE 60SE 0SW 0NW. 34 KT.......150NE 150SE 50SW 80NW. 12 FT SEAS..180NE 180SE 60SW 60NW. 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 20.7N 86.2W AT 25/0900Z AT 25/0600Z CENTER WAS LOCATED NEAR 20.3N 85.9W FORECAST VALID 25/1800Z 21.9N 86.5W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 20SE 0SW 0NW. 50 KT... 60NE 60SE 0SW 20NW. 34 KT...210NE 210SE 60SW 80NW. FORECAST VALID 26/0600Z 24.1N 86.2W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 25NE 20SE 0SW 0NW. 50 KT... 60NE 60SE 20SW 30NW. 34 KT...240NE 250SE 80SW 100NW. FORECAST VALID 26/1800Z 27.4N 85.0W MAX WIND 105 KT...GUSTS 130 KT. 64 KT... 35NE 45SE 20SW 30NW. 50 KT... 70NE 80SE 30SW 40NW. 34 KT...250NE 250SE 120SW 120NW. FORECAST VALID 27/0600Z 32.0N 84.2W...INLAND MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 0NE 25SE 0SW 0NW. 50 KT... 40NE 50SE 30SW 30NW. 34 KT...210NE 240SE 100SW 70NW. FORECAST VALID 27/1800Z 35.9N 85.4W...POST-TROP/INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 28/0600Z 37.0N 87.8W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 29/0600Z 36.5N 88.0W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. OUTLOOK VALID 30/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.7N 86.2W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 25/1200Z NEXT ADVISORY AT 25/1500Z $$ FORECASTER BEVEN
Category:Transportation and Logistics
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Atlantic Tropical Weather Outlook
2024-09-25 07:53:48| National Hurricane Center (Atlantic)
238 ABNT20 KNHC 250553 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Wed Sep 25 2024 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Tropical Storm Helene, located over the northwestern Caribbean Sea. Eastern and Central Tropical Atlantic: A broad low pressure system associated with a tropical wave located west of the Cabo Verde Islands continues to produce disorganized shower and thunderstorm activity. Environmental conditions appear favorable for gradual development of this system, and a tropical depression is likely to form in a few days while it moves westward to west-northwestward across the eastern and central tropical Atlantic. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 7 days...high...80 percent. Central Subtropical Atlantic: A non-tropical area of low pressure is currently located several hundred miles to the northeast of Bermuda. Earlier satellite-wind data indicated the system was producing winds up to storm-force, and environmental conditions could support some subtropical or tropical development over the next several days as the system moves generally eastward, remaining over the open waters of central Subtropical Atlantic. Additional information on this system, including storm warnings, can be found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...low...10 percent. * Formation chance through 7 days...low...20 percent. && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php $$ Forecaster Papin
Category: Transportation and Logistics
Summary for Tropical Storm Helene (AT4/AL092024)
2024-09-25 07:53:17| National Hurricane Center (Atlantic)
...CENTER OF HELENE APPROACHING THE NORTHEASTERN COAST OF THE YUCATAN PENINSULA... As of 1:00 AM CDT Wed Sep 25 the center of Helene was located near 20.4, -85.9 with movement NW at 10 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 60 mph.
Category: Transportation and Logistics