Alert archive / Montana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 135, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at Aug 25, 2002, 3:41 PM MDT for Richland County, Montana. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 25, 2002, 3:41 PM MDT (21:41 UTC)
- Expired
- Aug 25, 2002, 4:45 PM MDT
- In force
- 64 min
- Issued by
- NWS Glasgow, MT
- Area
- Whole counties
County Richland County, MT
The radar
The Glasgow radar (KGGW), 160 km from the middle of the area, began a volume at 21:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 25, 3:55 PM MDT | Hail 0.75 | Lambert, MT | Hail destroyed wheat crop 3 miles north of Lambert. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 9.7 hours before the alert went out and 312 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
- 452 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 1862 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- -65 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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 3:30 PM MDT, 11 minutes earlier.
Area forecast discussion, Aug 25, 3:30 PM MDT, 11 minutes before
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</html>The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 1:07 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 53 min |
| Aug 25, 2:06 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 54 min |
| Aug 25, 3:12 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 63 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.