Wednesday, May 16, 2018

Convection in SW Texas

An isolated thunderstorm developed over Pecos County in southwestern Texas. While the storm wasn't producing a lot of lightning, it was interesting to see how the increase in lightning activity corralated to brief increases in radar reflectivity, resulting in the production of some small hail. This thunderstorm pulsed up and down a few times in intensity and was proceeded by brief increases in the flash rate of lightning.

Also of interest was watching the anvil of the thunderstorm blow off to the east-southeast pretty rapidly, while a field of surface cumulus clouds steadily moved to the north-northwest in an area just to the east of the thunderstorm. It will be interesting to see if development takes place this evening in the zone of higher shear to the east of the afternoon thunderstorm.





Gary Cannalte

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