Alert archive / Montana / Winter Storm Warnings in 2018
Winter Storm Warning 4, NWS Glasgow, MT
NWS Glasgow, MT issued this winter storm warning at Feb 7, 2018, 12:14 PM MST for 5 counties in Montana. It took effect at Feb 7, 2018, 6:00 PM MST. It was in force for 33 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 7, 2018, 12:14 PM MST (19:14 UTC)
- In effect from
- Feb 7, 2018, 6:00 PM MST
- Expired
- Feb 9, 2018, 2:59 AM MST
- In force
- 33 hr
- Issued by
- NWS Glasgow, MT
Counties Garfield County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Valley County, MT
The radar
The Glasgow radar (KGGW), 77 km from the middle of the area, began a volume at 19:13 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 12:00Z, 7.2 hours before the alert went out and 487 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Feb 7, 8:55 AM MST, 3 hours 19 minutes earlier.
Area forecast discussion, Feb 7, 8:55 AM MST, 3 hours 19 minutes before
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</html>Hazardous weather outlook, Feb 7, 4:19 AM MST, 7 hours 55 minutes before
Hazardous Weather Outlook National Weather Service Glasgow MT 419 AM MST Wed Feb 7 2018 MTZ018>020-024-061-062-080100- Daniels-Sheridan-Western Roosevelt-Richland-Northern Valley- Eastern Roosevelt- 419 AM MST Wed Feb 7 2018 This Hazardous Weather Outlook is for portions of northeast Montana. .DAY ONE...Today and Tonight Bitter cold wind chills 15 below to 30 below will occur at times this morning. Wind Chill Advisories remain in effect. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday No hazardous weather expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MTZ016-021-022-026-059-060-080100- Central and Southeast Phillips-Petroleum-Garfield-Prairie- Northern Phillips-Southwest Phillips- 419 AM MST Wed Feb 7 2018 This Hazardous Weather Outlook is for portions of northeast Montana. .DAY ONE...Today and Tonight Accumulating snow may approach the region as early as tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A winter storm may bring several inches of new snowfall to the region, leading to difficult travel conditions. A Winter Storm Watch is in effect tonight through Thursday night. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MTZ017-023-025-027-080100- Central and Southern Valley-McCone-Dawson-Wibaux- 419 AM MST Wed Feb 7 2018 This Hazardous Weather Outlook is for portions of northeast Montana. .DAY ONE...Today and Tonight Bitter cold wind chills 15 below to 30 below will occur at times this morning. Wind Chill Advisories remain in effect. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday A winter storm may bring several inches of new snowfall to the region, leading to difficult travel conditions. A Winter Storm Watch is in effect tonight through Thursday night. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures.
The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 12:14 PM MST | Winter Weather Advisory | GGW | Dawson, McCone, Richland, Roosevelt, Valley, Wibaux | 39 hr |
Nearby
Winter Storm Warnings in Montana, 2018Every winter storm warning in 2018
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.