Alert archive / Montana / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 92, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at Jul 19, 2008, 6:07 PM MDT for Daniels County, Sheridan County, Montana. It was in force for 41 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, 2008, 6:07 PM MDT (00:07 UTC)
- Expired
- Jul 19, 2008, 6:48 PM MDT
- In force
- 41 min
- Issued by
- NWS Glasgow, MT
- Area
- Storm-based polygon
Counties Daniels County, MT, Sheridan County, MT
The radar
The Glasgow radar (KGGW), 132 km from the middle of the area, began a volume at 00:07 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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.1 hours before the alert went out and 391 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
- 825 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1979 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
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 Jul 19, 3:08 PM MDT, 2 hours 59 minutes earlier.
Area forecast discussion, Jul 19, 3:08 PM MDT, 2 hours 59 minutes before
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</html>Hazardous weather outlook, Jul 18, 9:26 PM MDT, 20 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 926 PM MDT FRI JUL 18 2008 MTZ016>027-059>062-190430- CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- DANIELS-SHERIDAN-WESTERN ROOSEVELT-PETROLEUM-GARFIELD-MCCONE- RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS- SOUTHWEST PHILLIPS-NORTHERN VALLEY-EASTERN ROOSEVELT- 926 PM MDT FRI JUL 18 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
In the hours before
Local storm report, Jul 19, 4:54 PM MDT, 1 hour 13 minutes before
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</html>Local storm report, Jul 19, 4:58 PM MDT, 1 hour 9 minutes before
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</html>Local storm report, Jul 19, 5:30 PM MDT, 37 minutes before
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</html>Local storm report, Jul 19, 5:31 PM MDT, 36 minutes before
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</html>Local storm report, Jul 19, 5:39 PM MDT, 28 minutes before
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</html>Local storm report, Jul 19, 5:52 PM MDT, 15 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 |
|---|---|---|---|---|
| Jul 20, 4:42 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 48 min |
| Jul 20, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 29 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2008Every severe thunderstorm warning in 2008
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.