HOUSTON – The National Weather Service has issued a Flash Flood Watch for parts of southeast Texas for areas along and west of U.S. 59. The watch will go into effect Friday afternoon and last until 7 a.m. Sunday.
A very potent storm system churning over the Rocky Mountains will migrate east, into the Texas panhandle and Oklahoma, over the next couple of days, setting up a weather pattern that could drop flooding rain over southeast Texas.
Showers and thunderstorms will begin to break out over the region Friday afternoon and evening. The storms will be isolated, but some of them will be severe. There is a risk for damaging wind, hail and isolated weak tornadoes through Friday evening. Flash flooding will be possible, but not widespread, through Friday.
The risk for flash flooding increases significantly Saturday morning and afternoon, as a line of thunderstorms develops over southeast Texas and potentially trains over the same areas for hours.
Widespread two to four inch rainfall totals are likely on Saturday. Isolated locations could get eight inches or more.
The threat for flooding is heightened this weekend because the heavy rain we expect will be falling on already saturdated ground. That means that all of the rain that falls will have to drain through our rivers, creeks and bayous. Little, if any, will be able to soak into the ground.
By Saturday evening, the line of heavy rain and storms will migrate into the Gulf of Mexico and the Houston area will begin to dry out. The risk for flash flooding will diminish significantly when this happens.
Between now and the weekend the forecast is bound to change, so stay with KPRC channel 2 for frequent updates.
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