Alert archive / Montana / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 38, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jul 19, 2003, 1:32 PM MDT for Carter County, Montana. It was in force for 58 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
- Jul 19, 2003, 1:32 PM MDT (19:32 UTC)
- Expired
- Jul 19, 2003, 2:30 PM MDT
- In force
- 58 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Carter County, MT
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.5 hours before the alert went out and 327 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
- 1376 J/kg
- Mixed-layer CIN
- -250 J/kg
- Mixed-layer LCL
- 1364 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 21 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 Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 9:35 AM MDT, 3 hours 57 minutes earlier.
Area forecast discussion, Jul 19, 9:35 AM MDT, 3 hours 57 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 |
|---|---|---|---|---|
| Jul 18, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 33 min |
| Jul 19, 4:48 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 42 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2003Every severe thunderstorm warning in 2003
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.