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Seasonal forecasts are beginning to make their way out from respected scientists in the field to media and news outlets. The majority of specialists are predicting a hurricane season with above-normal activity. ENSO looks to be swinging neutral to perhaps even a La Niña by July-September. Western Atlantic subtropical and tropical SSTs are running above average overall with some particularly noticeable 2-3°+C deviations in the GOM and W. Caribbean. Could 2020 be hyperactive? AMO and NAO may present both favorable patterns for not only hurricanes in the MDR, but potential land threats to the W. Caribbean and GOM as well this season. Bermuda-Azores ridging may also dominate the SER/WAR steering pattern during Cape Verde season. This might be a year where we even see a few long-trackers reach Central America.
I just realized that we need an observation thread for Fall. With the remnants of Flo approaching, though it might not be a bad idea to get the Fall obs thread rolling. What is left of Florence looks like it might be a rainmaker(within norms) for the eastern Valley. Wind advisories are hoisted for the mountains. Western NC is under a flood watch. Rivers that flow from NC such as the French Broad and Nolichucky may flood in TN due to rain in North Carolina.
Early, I know, so if it's out of line Mods feel free to nuke the thread. A new wave has rolled off the African coast, and all the major operational guidance has development in the next few days. More impressive, the GEFS and EPS are bullish on the wave and its long term development chances. Way too early to say what happens with the track, but the NHC has already labeled it an invest despite the low odds given for development in the next 2-5 days. First critical thing I'll be looking at--SAL. It has been harassing anything in the MDR all season. Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Sun Aug 13 2017 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Depression Eight, located a few hundred miles north-northeast of the southeastern Bahamas. 1. A tropical wave that has emerged off the west coast of Africa is forecast to move westward over the next couple of days and merge with a broad area of low pressure located southwest of the Cabo Verde Islands. Environmental conditions are expected to be conducive for gradual development of the system while it moves westward to west-northwestward at 10 to 15 mph over the open tropical eastern Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. Public Advisories on Tropical Depression Eight are issued under WMO header WTNT33 KNHC and under AWIPS header MIATCPAT3. Forecast/Advisories on Tropical Depression Eight are issued under WMO header WTNT23 KNHC and under AWIPS header MIATCMAT3. Forecaster Roberts