Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 359 PM EDT Mon Aug 28 2017 Valid 00Z Tue Aug 29 2017 - 00Z Thu Aug 31 2017 ...Extremely heavy rain expected over parts of the Western/Central Gulf Coast... ...There is a slight risk of severe weather over parts of the Central gulf Coast... ...Heavy rain possible over parts the Southern Mid- Atlantic... Tropical storm Harvey is forecast to move out over the Gulf of Mexico and make a second landfall over parts of the Central Gulf Coast by Wednesday afternoon. The system will produce extremely heavy rain over parts of the Western/Central Gulf Coast and severe weather through Wednesday. See the latest advisory from the National Hurricane Center for the most up to date information on Harvey's storm track, strength, and storm total precipitation. Meanwhile, potential tropical cyclone Ten is forecasted to develop along the Southeast Coast and move northeastward along the coast to Cape Hatteras by Tuesday afternoon then continue to move northeastward out over the Western Atlantic. The system will produce showers and thunderstorms along the Southeast/Southern Mid-Atlantic Coast with heavy rain through Tuesday evening. See the latest advisory from the National Hurricane Center for the most up to date information on potential tropical cyclone Ten's storm track, strength, and storm total precipitation. Elsewhere in the country, broad ridging extending across the western United States will bring a widespread heat wave to the region. Based on the latest forecast high temperatures, a number of daily records may be broken from the West Coast into the Intermountain West. During the next couple of days, highs between 105 and 110 degrees are likely over the interior central valleys of California with mid to upper 90s into the central Great Basin and eastern Oregon/Washington. Relative to climatology for late August, these readings are anywhere from 10 to 20 degrees above average. This is in stark contrast to temperatures across the Southern Plains/Lower Mississippi Valley and Mid-Atlantic/Carolinas with highs 5 to 10 degrees below climatology. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php