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Heavy Mountain Snow and Low Elevation Rain Continues in California; Fire Weather Conditions in the High Plains

A slow-moving storm impacting California will continue heavy mountain snow, low elevation heavy rain and gusty winds today before moving south and remaining across southern California through Thursday. Mountain snow will impact travel; and heavy rainfall may cause flooding and debris flows in Southern California. There is an elevated to critical fire weather risk in portions of the High Plains. Read More >


Severe thunderstorms marched across northeastern Wyoming and the Black Hills area the afternoon and evening of July 17, 2019. Tennis ball to baseball size hail was reported around Gillette and the northern Black Hills, and a tornado occurred near Four Corners, Wyoming. Higher concentrations of cloud-to-ground lightning flashes can be seen in these areas in the image to the right.

24-h CG lightning ending 6 am July 18th, 2019
24-hour cloud-to-ground lightning from 6 am July 17 to 6 am July 18, 2019
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