Alert archive / Montana / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 48, NWS Glasgow, MT
NWS Glasgow, MT issued this severe thunderstorm warning at Jul 10, 2014, 8:57 PM MDT for Valley County, Montana. It was in force for 19 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 10, 2014, 8:57 PM MDT (02:57 UTC)
- Expired
- Jul 10, 2014, 9:16 PM MDT
- In force
- 19 min
- Issued by
- NWS Glasgow, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Valley County, MT
The radar
The Glasgow radar (KGGW), 18 km from the middle of the area, began a volume at 02:57 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 00:00Z, 3.0 hours before the alert went out and 17 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
- 180 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 2475 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
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 10, 2:44 PM MDT, 6 hours 13 minutes earlier.
Area forecast discussion, Jul 10, 2:44 PM MDT, 6 hours 13 minutes before
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</html>Hazardous weather outlook, Jul 10, 7:24 PM MDT, 1 hour 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 724 PM MDT THU JUL 10 2014 MTZ021>023-111100- PETROLEUM-GARFIELD-MCCONE- 724 PM MDT THU JUL 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 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. MTZ016-017-059-061-111100- CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- NORTHERN PHILLIPS-NORTHERN VALLEY- 724 PM MDT THU JUL 10 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...TONIGHT VERY ISOLATED THUNDERSTORMS WILL MOVE THROUGH THE REGION THIS EVENING AND MAY PRODUCE SMALL HAIL THROUGH MIDNIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 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
Special weather statement, Jul 10, 7:37 PM MDT, 1 hour 20 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 10, 7:37 PM MDT | Special Weather Statement | GGW | 23 min | |
| Jul 10, 8:25 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 35 min |
| Jul 11, 1:05 AM MDT | Special Weather Statement | GGW | Phillips | 55 min |
| Jul 11, 1:56 AM MDT | Special Weather Statement | GGW | Valley | 64 min |
| Jul 11, 2:42 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 63 min |
| Jul 11, 4:06 AM MDT | Special Weather Statement | GGW | Valley | 54 min |
| Jul 11, 5:28 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 34 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.