000 ABNT20 KNHC 192338 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Thu Aug 19 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Grace, located just offshore the Yucatan Peninsula in the southwestern Gulf of Mexico, and on Tropical Storm Henri, located several hundred miles southeast of Cape Hatteras, North Carolina. The Weather Prediction Center is issuing advisories on Post-Tropical Cyclone Fred, located inland over Vermont and New Hampshire. A tropical wave located in the eastern Atlantic several hundred miles to the southwest of the Cabo Verde Islands is producing a broad area of disorganized showers and thunderstorms. This wave is expected to interact with another wave emerging off the African coast over the next day or two. Afterwards, environmental conditions appear marginally favorable for some slow development by the beginning of next week as this system moves gradually to the northwest at 5 to 10 mph. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. && Public advisories issued by the Weather Prediction Center on Post-Tropical Cyclone Fred can be found under AWIPS header TCPAT1, WMO header WTNT31 KWNH, and on the web at http://www.wpc.ncep.noaa.gov $$ Forecaster Papin/Beven