20 Million People Under Flood Watch Today (5/12/19); S. Texas Rainfall 600% Of Normal This Spring
Golfball-size hail, floods and stranded drivers. This is what May in Houston is looking like. More thunderstorms and showers hammered Houston early Saturday morning and were expected to last through midday, the National Weather Service said. There was a high risk of excessive rain in southern Louisiana and Mississippi through Saturday night.
With more heavy rain, there's potential for flash flooding in areas where the ground is already wet, according to the National Weather Service's Weather Prediction Center. There was a moderate risk of excessive flooding for southeastern Texas and parts of Louisiana on Saturday, the center said.
The Upper Texas Coast and the Gulf Coast of western Louisiana has received "tremendous rainfall" in the past week, "300-600% of normal rainfall in that time frame," the center said. The region has seen storms moving over the same location for hours at a time, which is known as training, CNN Meteorologist Derek Van Dam said.
Houstonians will see up to 3 inches of rain Saturday, and areas affected by storms may see heavier showers with up to 5 inches. Over the weekend, the heavy rain will shift eastward toward Alabama and the southern Appalachians, Van Dam said. As the storm moves east, clusters of storms could produce more flash flood threats, the center said.
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