Hail — Johnson, Wyoming

2019-07-04 · near Kaycee, Johnson, Wyoming

Event narrative

A thunderstorm developed along the east slope of the Big Horn Range and become severe as it moved toward Kaycee and into Sussex, Wyoming. There were numerous reports of hail from quarter to half dollar size.

Wider weather episode

With a stationary boundary remaining over the area, there were two rounds of severe weather across central Wyoming on Independence Day. One storm developed in the lee of the Wind River Range and strengthened as it moved eastward toward Natrona County, Wyoming. Ping pong ball sized hail was reported north of Casper, Wyoming. A second round of thunderstorms developed in the afternoon and evening hours. There were more reports of large hail, the largest being ping pong ball sized in Evansville. Strong wind gusts up to 65 mph were also recorded at a few locations. Heavy rain caused the wash out of a BLM road in Hot Springs County, Wyoming.

View location on OpenStreetMap → (43.7200, -106.6500)

Source: NOAA Storm Events Database, event_id 833876. Narrative written by the NWS forecast office that issued the report.