July 9, 2021
As Florida battened down the hatches and withstood a strike from Tropical Storm Elsa, South Texas was enduring its own drenching deluge.
More than 10 inches of rain fell over Rockport, Texas, on Wednesday, closing in on the roughly 10 inches of rainfall Elsa dumped over a handful of Florida cities. During a 48-hour time frame, Rockport picked up more than a foot of rain.
The rain over Texas wasn’t delivered by a tropical system, but by an area of low pressure over south-central Texas being cut off from the jet stream. When a system becomes cut off, this causes weather systems to move very slowly. Therefore, areas of good weather tend to last in a particular location for several days. In this case, wet weather has persisted for multiple days.