CASPER, Wyo. — The National Weather Service in Cheyenne said at 3:07 pm Wednesday, May 20 that golf ball sized hail had been reported in the Douglas area.
A person responding the the NWS announcment on Twitter shared photos they said were of hail from the storm and added that the hail had caused some roof and tree damage.
The NWS had earlier said that up to baseball sized hail, some tornadoes and flash flooding would be possible in severe storms in Southeast Wyoming and the Nebraska panhandle Wednesday afternoon and evening.
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They added at about 2:20 pm that a severe thunderstorm watch is in effect for parts of Wyoming, Colorado, Nebraska and South Dakota until 10 pm Wednesday. This map shows the possible affected area:
The NWS also shared a chart that could be used to measure hail size.
“Just as a reminder as severe weather ramps up today: this is the hail size chart the NWS uses for measuring hail and issuing storm reports,” they said. “Please use these references in your reports.”
The chart is as follows:
This article originally appeared on Oil City News. Used with permission.