Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 337 PM EDT Tue Jun 16 2015 Valid 00Z Wed Jun 17 2015 - 00Z Fri Jun 19 2015 ...Tropical Storm Bill expected to bring very heavy rain and flash flooding to portions of eastern Texas and the southern plains... ...Showers and thunderstorms with heavy rain and flash flooding are possible from the middle Mississippi valley into the Ohio valley... ...Severe thunderstorms possible across portions of the central and northern High Plains and portions of the Mid-Atlantic states... Tropical Storm Bill moved onshore in Texas today, and will continue to move northward across Texas and Oklahoma over the next couple days, spreading very heavy rainfall and the potential for flash flooding northward along with it. 4 to 8 inches of rain, with locally higher amounts, are forecast to fall over eastern Texas and eastern Oklahoma. Localized amounts of 12 inches are possible across eastern Texas. In addition to the heavy rain, severe weather is possible across Texas through tonight in association with Bill. Please refer to advisories issued by the National Hurricane Center for the latest specifics on Tropical Storm Bill. A cold front will bring showers and thunderstorms to the Northeast and Mid-Atlantic states this evening, before moving offshore. The Storm Prediction Center is forecasting a slight risk of severe thunderstorms across portions of the Mid-Atlantic through this evening. Please refer to Convective Outlooks issued by the SPC for further details on the severe weather threat. Drier conditions will prevail across the Northeast on Wednesday. A trailing frontal boundary extends from the central plains into the Intermountain West. A wave of low pressure along the front will bring showers and thunderstorms to portions of the central/northern plains tonight. The Storm Prediction Center is forecasting a slight risk of severe thunderstorms for portions of the central and northern High Plains through tonight. On Wednesday, the system will move eastward into the Midwest, spreading showers and thunderstorms across the Midwest and Upper Great Lakes. Additional showers and thunderstorms are possible Wednesday and Wednesday night from the Ohio Valley into portions of the Mid-Atlantic as the aforementioned frontal boundary begins to move north as a warm front. Ryan Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php