Del Rio Dodges Tornado, Two Baseball-Sized Hail Storms In One Night; Picks Up Almost Two Inches of RainRead Now
A strong atmospheric disturbance over the Southern Plains left its mark on the Del Rio, Texas area on Thursday Evening and Friday Early Morning, May 2nd-3rd 2019. This prompted numerous weather watches and warnings from the National Weather Service, including two tornado warnings in Val Verde County.
The National Weather Service originally issued a Severe Thunderstorm Watch for baseball-sized hail and damaging wind gusts just before noon on Thursday. By 2 PM, an unofficial report of a funnel cloud had been reported along the Val Verde/Sutton County line, with a tornado warning issued for Sutton County.
Significant storms failed to develop in the Del Rio area until after sunset, as shown in the satellite loop below.
One particularly severe thunderstorm after sunset triggered tornado warnings north and northeast of Comstock, Texas, with a storm chaser (Daniel Shaw) reporting a tornado nine miles northeast of Comstock.
The radar imagery for this storm is shown below, also indicating hail sizes up to baseball-sized. Another storm report was broadcasted from the Rough Canyon area of Lake Amistad with estimated 2-inch diameter hail.
As this storm - at times likely producing baseball-sized hail - neared the Lake Amistad area, it was promptly flanked by smaller, developing storms to the west.
These weaker storms cut off some of the dynamic support needed to sustain severe weather and deflected the larger storm just to the north of Del Rio, and weakened its hail core. As a result, only reports of pea-sized hail were reported on the north and east sides of Del Rio. Flash Flooding was also reported in some areas of town, although only 0.54 inches of rain was recorded at Del Rio International Airport during this storm.
This storm, combining with other local storms, moved as a complex together to the southeast as the night progressed. Flood advisories were issued for Val Verde, Kinney, and Maverick Counties.
A second potentially severe storm came at approximately 1:30 AM, weakening as it crossed the Rio Grande from Ciudad Acuña, Coahuila. Of note, this storm originated near Langtry on the Texas side of the border, but then moved southeastward and migrated back into Mexico before crossing again in Del Rio.
Just before crossing, an unofficial report was published indicating the presence of a funnel cloud. This was not confirmed. However, during both crossings of the Rio Grande - at Langtry and at Del Rio - Severe Thunderstorm Warnings were issued by the National Weather Service. This storm dropped an additional 1.24 inches of rain within one hour in Del Rio, as recorded at Del Rio International Airport - equaling a total of 1.78 inches for the night.
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