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Tropical Depression Sally Forecast Advisory Number 25
2020-09-17 10:31:13| National Hurricane Center (Atlantic)
Issued at 0900 UTC THU SEP 17 2020 000 WTNT24 KNHC 170831 TCMAT4 TROPICAL DEPRESSION SALLY FORECAST/ADVISORY NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192020 0900 UTC THU SEP 17 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 31.8N 85.7W AT 17/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 55 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 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 31.8N 85.7W AT 17/0900Z AT 17/0600Z CENTER WAS LOCATED NEAR 31.6N 86.3W FORECAST VALID 17/1800Z 32.8N 84.2W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 18/0600Z 34.0N 81.3W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 18/1800Z 35.1N 78.4W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 19/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.8N 85.7W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON SALLY. FUTURE INFORMATION ON THIS SYSTEM CAN BE FOUND IN PUBLIC ADVISORIES ISSUED BY THE WEATHER PREDICTION CENTER BEGINNING AT 10 AM CDT, UNDER AWIPS HEADER TCPAT3, WMO HEADER WTNT33 KWNH, AND ON THE WEB AT HTTP://WWW.WPC.NCEP.NOAA.GOV. $$ FORECASTER STEWART
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Atlantic Tropical Weather Outlook
2020-09-17 07:52:12| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 170552 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Thu Sep 17 2020 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on recently downgraded Tropical Depression Sally, located inland over southeastern Alabama, on Hurricane Teddy, located over the central tropical Atlantic, and on Tropical Storm Vicky, located over the eastern tropical Atlantic. Thunderstorm activity associated with a low pressure system located over the southwestern Gulf of Mexico has increased in coverage and organization this morning. In addition, recent satellite-derived surface wind data indicate that the low has become better defined. Upper-level winds are expected to gradually become more conducive for development, and a tropical depression is likely to form during the next day or so while the low meanders over the southwestern Gulf of Mexico. An Air Force Reserve reconnaissance aircraft is scheduled to investigate the disturbance later today, if necessary. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...90 percent. An elongated area of low pressure located a few hundred miles south-southwest of the Cabo Verde Islands is producing disorganized shower and thunderstorm activity. Environmental conditions are expected to be conducive for development during the next few days, and a tropical depression could form before upper-level winds become less favorable over the weekend. The low is forecast to move west-northwestward at 10 to 15 mph during the next several days. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...60 percent. A non-tropical area of low pressure is located over the far northeastern Atlantic Ocean a few hundred miles east-northeast of the Azores. This system is forecast to move east-southeastward and then northeastward at about 10 mph over the next day or two, and its chances of acquiring some subtropical characteristics before it reaches the coast of Portugal late Friday appear to be decreasing. For more information on this system, see High Seas Forecasts issued by Meteo France. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. && High Seas Forecasts issued by Meteo France can be found under WMO header FQNT50 LFPW and available on the web at www.meteofrance.com/previsions-meteo-marine/bulletin/grandlarge/ metarea2 $$ Forecaster Stewart
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Eastern North Pacific Tropical Weather Outlook
2020-09-17 07:16:40| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 170516 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Wed Sep 16 2020 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center has issued the last advisory on Post-Tropical Cyclone Karina, located about 1000 miles west of the southern tip of the Baja California peninsula. Tropical cyclone formation is not expected during the next 5 days. $$ Forecaster Cangialosi
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Tropical Depression Sally Graphics
2020-09-17 05:06:34| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 17 Sep 2020 03:06:34 GMT Wind Speed Probabilities last updated Thu, 17 Sep 2020 03:24:48 GMT
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Tropical Storm Vicky Graphics
2020-09-17 04:35:24| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 17 Sep 2020 02:35:24 GMT Wind Speed Probabilities last updated Thu, 17 Sep 2020 02:35:24 GMT
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