Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 22, NWS Glasgow, MT
NWS Glasgow, MT issued this red flag warning at Nov 23, 2017, 4:52 PM MST for 5 counties in Montana. It took effect at Nov 23, 2017, 5:00 PM MST. It was in force for 5 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
- Nov 23, 2017, 4:52 PM MST (23:52 UTC)
- In effect from
- Nov 23, 2017, 5:00 PM MST
- Expired
- Nov 23, 2017, 10:19 PM MST
- In force
- 5 hr
- Issued by
- NWS Glasgow, MT
Counties Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Valley County, MT
The radar
The Glasgow radar (KGGW), 64 km from the middle of the area, began a volume at 23:54 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
Great_falls, MT (KTFX), launched 12:00Z, 11.9 hours before the alert went out and 262 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
- 1814 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag 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 red flag warning went out at Nov 23, 2:07 PM MST, 2 hours 45 minutes earlier.
Area forecast discussion, Nov 23, 2:07 PM MST, 2 hours 45 minutes before
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</html>Hazardous weather outlook, Nov 23, 3:28 AM MST, 13 hours 24 minutes before
Hazardous Weather Outlook National Weather Service Glasgow MT 328 AM MST Thu Nov 23 2017 MTZ016>027-059>062-241030- 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- 328 AM MST Thu Nov 23 2017 This Hazardous Weather Outlook is for portions of northeast Montana. .DAY ONE...Today and Tonight Strong gusty west to northwest winds are anticipated from this afternoon through Friday. This could produce a significant chop on Fort Peck Lake and cause problems for high profile vehicles driving on north/south roads. A High Wind Warning is in effect around the Little Rockies. A Lake Wind Advisory is in effect for Fort Peck Lake. .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.
The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 3:22 AM MST | High Wind Warning | GGW | Phillips | 24 hr |
| Nov 23, 3:22 AM MST | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 38 hr |
Nearby
Red Flag Warnings in Montana, 2017Every red flag warning in 2017
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.