Alert archive / Montana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 11, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jun 1, 2002, 2:54 PM MDT for Carbon County, Montana. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 1, 2002, 2:54 PM MDT (20:54 UTC)
- Expired
- Jun 1, 2002, 4:00 PM MDT
- In force
- 66 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Carbon County, MT
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 8.9 hours before the alert went out and 245 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
- 71 J/kg
- Mixed-layer CIN
- -503 J/kg
- Mixed-layer LCL
- 1994 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 2:33 PM MDT, 21 minutes earlier.
Area forecast discussion, Jun 1, 2:33 PM MDT, 21 minutes before
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</html>The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 3:16 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 59 min |
| Jun 1, 3:22 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 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.