Rain Coming, Flash Flood Watch Issued

  A tropical airmass and upper level low pressure system will combine to bring widespread rain and a few thunderstorms to our area for the next 24-48 hours.  A Flash Flood Watch has been issued for all of the KXAN viewing area in counties along and east of IH-35.  Below are details from the National Weather Service, followed by important flash flood safety information. An upper level low pressure system will move across our forecast area from the southwest to the northeast. This low pressure system will interact with abundant moisture from the Gulf of Mexico to produce isolated to…