Thunderstorm Wind, Big Horn
- When
- June 25, 1:30 AM MST
- Where
- Big Horn County, Deaver
- Measured
- 52 kt (60 mph)
- Reported by
- BROADCAST MEDIA
- Coordinates
- 44.883, -108.583
Estimated 60 mph+ wind gust knocked a tree limb onto a gas meter wedging the regulator open causing a gas leak and subsequent explosion killing 2 people and injuring 2 others.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS RIW wrote it up.
Estimated 60 mph+ wind gust knocked a tree limb onto a gas meter wedging the regulator open causing a gas leak and subsequent explosion killing 2 people and injuring 2 others.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before the first event at Jun 24, 12:51 PM MST, 12 hours 39 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 151 PM MDT SUN JUN 24 2001 RIDGE OF HIGH PRESSURE REMAINS ANCHORED OVER THE CENTRAL PORTION OF THE COUNTRY WITH A TROUGH OFF THE NORTHWEST COAST. THIS LEAVES WYOMING IN A CONTINUED SOUTHWEST FLOW ALOFT. ISOLATED THUNDERSTORMS ACROSS THE CWFA THIS AFTERNOON. EXPECT THIS ACTIVITY TO CONTINUE INTO EARLY THIS EVENING BEFORE DIMINISHING AROUND SUNSET. EVEN THOUGH DYNAMICS ARE LACKING MONDAY HEATING OF THE DAY AND SURFACE COLD FRONT OVER SOUTHERN MONTANA SHOULD BE ENOUGH FOR ANOTHER ROUND OF ISOLATED AFTERNOON AND EVENING THUNDERSTORMS. THE COLD FRONT IS THEN SHOWN TO MOVE ACROSS THE NORTHEASTERN FA MONDAY EVENING AND STALL ACROSS EAST CENTRAL SECTIONS TUESDAY. IN ADDITION...SHORT WAVES AND MORE MOISTURE LEAD TO A BETTER CHANCE OF THUNDERSTORMS ON TUESDAY. TEMPERATURES WILL REMAIN VERY WARM MOST SECTIONS MONDAY THEN DROP OFF SOME TUESDAY BUT I WILL BE ABOVE GUIDANCE VALUES. IN THE EXTENDED... CONTINUED SOUTHWEST FLOW WITH EMBEDDED SHORT WAVES COULD BRING MORE THUNDERSTORMS WEDNESDAY. AFTER THAT MRF AND ECMWF IN REASONABLE AGREEMENT IN RETROGRESSION OF RIDGE WESTWARD INTO OUR AREA. THIS SHOULD RESULT IcN MAINLY DRY AND WARM CONDITIONS THURSDAY INTO THE WEEKEND. .RIW...NONE. SULLIVAN
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2001Every state in 2001This day in weather historyWarnings in Wyoming, June 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5251730.