Alert archive / Montana / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 7, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at May 26, 2014, 3:25 PM MDT for Petroleum County, Montana. It was in force for 65 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
- May 26, 2014, 3:25 PM MDT (21:25 UTC)
- Expired
- May 26, 2014, 4:30 PM MDT
- In force
- 65 min
- Issued by
- NWS Glasgow, MT
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Petroleum County, MT
The radar
The Billings radar (KBLX), 143 km from the middle of the area, began a volume at 21:27 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
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 9.4 hours before the alert went out and 174 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
- 61 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1489 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 292 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 May 26, 2:38 PM MDT, 47 minutes earlier.
Area forecast discussion, May 26, 2:38 PM MDT, 47 minutes before
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</html>Hazardous weather outlook, May 26, 3:26 AM MDT, 11 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 326 AM MDT MON MAY 26 2014 MTZ019-020-023>027-062-270900- SHERIDAN-WESTERN ROOSEVELT-MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX- EASTERN ROOSEVELT- 326 AM MDT MON MAY 26 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND PERSIST THROUGH THE EVENING HOURS. SOME OF THE STRONGER STORMS MAY PRODUCE CLOUD TO GROUND LIGHTNING...GUSTY WINDS...AND SMALL HAIL ESPECIALLY NEAR THE BORDER WITH NORTH DAKOTA. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Local storm report, May 26, 2:57 PM MDT, 28 minutes before
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</html>Local storm report, May 26, 3:20 PM MDT, 5 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 |
|---|---|---|---|---|
| May 26, 1:49 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 56 min |
| May 26, 2:44 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 61 min |
| May 26, 3:29 PM MDT | Special Weather Statement | GGW | Richland | 61 min |
| May 26, 3:46 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 59 min |
| May 26, 4:57 PM MDT | Special Weather Statement | GGW | Sheridan | 48 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2014Every severe thunderstorm warning in 2014
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.