Alert archive / Montana / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 34, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Aug 15, 1993, 6:15 PM MDT for Cascade County, Judith Basin County, Montana. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Aug 15, 1993, 6:15 PM MDT (00:15 UTC)
- Expired
- Aug 15, 1993, 7:15 PM MDT
- In force
- 60 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
Counties Cascade County, MT, Judith Basin County, MT
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 0.3 hours before the alert went out and 335 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
- 211 J/kg
- Mixed-layer CIN
- -157 J/kg
- Mixed-layer LCL
- 2582 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Aug 15, 6:11 PM MDT, 4 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Toole | 66 min |
Nearby
Severe Thunderstorm Warnings in Montana, 1993Every severe thunderstorm warning in 1993
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.