Alert archive / Montana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 21, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jun 8, 2002, 5:00 PM MDT for Custer County, Powder River County, Montana. It was in force for 60 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 8, 2002, 5:00 PM MDT (23:00 UTC)
- Expired
- Jun 8, 2002, 6:00 PM MDT
- In force
- 60 min
- Issued by
- NWS Billings, MT
- Area
- Counties, with a storm outline in the text
Counties Custer County, MT, Powder River County, MT
The radar
The Billings radar (KBLX), 214 km from the middle of the area, began a volume at 23:01 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 1:15 PM MDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 11.0 hours before the alert went out and 249 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
- 1983 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 285 m²/s²
- 0-3 km storm-relative helicity
- 484 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KBYZ 082300 SVRBYZ MTC017-075-090000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BILLINGS MT...CORRECTED 455 PM MDT SAT JUN 8 2002 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL CUSTER COUNTY IN SOUTHEAST MONTANA EXTREME EASTERN ROSEBUD COUNTY IN SOUTHEAST MONTANA * UNTIL 600 PM MDT * AT 455 PM MDT...NATIONAL WEATHER SERVICE DOPLER RADAR INDICATED A SEVERE THUNDERSTORM 23 MILES SOUTHWEST OF GARLAND...OR ABOUT 22 MILES EAST OF COLSTRIP...MOVING NORTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF... EASTERN ROSEBUD COUNTY AND WEST CENTRAL CUSTER COUNTY. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. LAT...LON 4589 10617 4568 10619 4628 10522 4647 10549
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 10:13 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Jun 8, 1:07 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 38 min |
| Jun 8, 1:42 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 63 min |
| Jun 8, 3:41 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 64 min |
| Jun 8, 4:09 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 36 min |
| Jun 8, 4:21 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 24 min |
| Jun 8, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Jun 8, 4:55 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 65 min |
| Jun 8, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Jun 8, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 52 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2002Every severe thunderstorm warning in 2002
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.