Alert archive / Wyoming / Tornado Warnings in 2005
Tornado Warning 2, NWS Riverton, WY
NWS Riverton, WY issued this tornado warning at Jun 1, 2005, 1:39 PM MDT for Big Horn County, Wyoming. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2005, 1:39 PM MDT (19:39 UTC)
- Expired
- Jun 1, 2005, 2:07 PM MDT
- In force
- 28 min
- Issued by
- NWS Riverton, WY
- Area
- Counties, with a storm outline in the text
County Big Horn County, WY
The radar
The Billings radar (KBLX), 120 km from the middle of the area, began a volume at 19:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 7.7 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1659 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS55 KRIW 011939 TORRIW WYC003-012015- /O.NEW.KRIW.TO.W.0002.050601T1939Z-050601T2015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE RIVERTON WY 139 PM MDT WED JUN 1 2005 THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL BIG HORN COUNTY IN NORTH CENTRAL WYOMING THIS INCLUDES THE CITY OF LOVELL * UNTIL 215 PM MDT * AT 136 PM MDT...A TRAINED WEATHER SPOTTER REPORTED A TORNADO NEAR HWY 310/789 MILE MARKER 230...OR JUST SOUTH OF LOVELL...MOVING EAST AT 25 MPH. * THE TORNADO EXPECTED TO BE NEAR... U.S. HWY 14A MILE MARKER 50 BY 145 PM MDT U.S. HWY 14A MILE MARKER 60 BY 205 PM MDT U.S. HWY 14A MILE MARKER 70 BY 215 PM MDT MOVE INTO A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4483 10851 4465 10843 4474 10790 4496 10800 $$ MCDONALD
1 follow-up statement
000 WWUS55 KRIW 012007 SVSRIW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 206 PM MDT WED JUN 1 2005 WYC003-012016- /O.CAN.KRIW.TO.W.0002.000000T0000Z-050601T2015Z/ BIG HORN WY- 206 PM MDT WED JUN 1 2005 ...THE TORNADO WARNING FOR NORTH CENTRAL BIG HORN COUNTY IS CANCELLED... THE STORM HAS DECREASED IN INTENSITY AND IS NO LONGER SEVERE. THEREFORE...THE WARNING HAS BEEN CANCELLED. ALTHOUGH THE WARNING HAS BEEN CANCELLED...THUNDERSTORMS WITH SMALL HAIL...WIND GUSTS TO 40 MPH AND FREQUENT LIGHTNING WILL STILL BE POSSIBLE. REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN RIVERTON AT 1-800-211-1448. LAT...LON 4483 10851 4465 10843 4474 10790 4496 10800 $$ HAHN
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 12:57 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Park | 63 min |
| Jun 1, 1:31 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 46 min |
| Jun 1, 1:45 PM MDT | Tornado Warning | RIW | Big Horn | 45 min |
| Jun 1, 1:54 PM MDT | Tornado Warning | RIW | Big Horn, Washakie | 51 min |
Nearby
Tornado Warnings in Wyoming, 2005Every tornado warning in 2005Tornadoes in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.