Alert archive / Montana / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 1, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at Jun 2, 2015, 12:32 AM MDT for Wibaux 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
- Jun 2, 2015, 12:32 AM MDT (06:32 UTC)
- Expired
- Jun 2, 2015, 1:30 AM MDT
- In force
- 58 min
- Issued by
- NWS Glasgow, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Wibaux County, MT
The radar
The Glasgow radar (KGGW), 225 km from the middle of the area, began a volume at 06:33 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, 6.5 hours before the alert went out and 271 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
- 200 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1974 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Jun 1, 7:54 PM MDT, 4 hours 38 minutes earlier.
Area forecast discussion, Jun 1, 7:54 PM MDT, 4 hours 38 minutes before
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</html>Hazardous weather outlook, Jun 1, 9:43 AM MDT, 14 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 943 AM MDT MON JUN 1 2015 MTZ016>027-059>062-021545- 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- 943 AM MDT MON JUN 1 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...TODAY AND TONIGHT AN ENERGETIC PACIFIC LOW PRESSURE SYSTEM WILL CAUSE THUNDERSTORMS ACROSS THE REGION LATE THIS AFTERNOON AND TONIGHT. STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED MAINLY SOUTH OF THE MISSOURI RIVER WITH DAMAGING WINDS AND LARGE HAIL BEING THE GREATEST THREATS. NORTH OF THE MISSOURI RIVER...MORE GENERAL THUNDERSTORMS AND HEAVY RAIN WILL BE THE MAIN THREATS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY HEAVY RAIN SHOWERS ARE EXPECTED TUESDAY AFTERNOON WHILE A FEW MARGINALLY SEVERE THUNDERSTORMS WILL BE POSSIBLE SOUTH OF THE YELLOWSTONE RIVER. THUNDERSTORMS ARE IN THE FORECAST THROUGH SATURDAY. FRIDAY NIGHT COULD HOLD ANOTHER ROUND OF WIDESPREAD SEVERE WEATHER. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Jun 1, 11:52 PM MDT, 40 minutes before
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</html>Local storm report, Jun 2, 12:32 AM MDT, 0 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 |
|---|---|---|---|---|
| Jun 1, 11:52 PM MDT | Special Weather Statement | GGW | Wibaux | 38 min |
| Jun 2, 8:05 AM MDT | Flash Flood Warning | GGW | Richland | 3 hr |
Nearby
Severe Thunderstorm Warnings in Montana, 2015Every severe thunderstorm warning in 2015
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.