Alert archive / Montana / Wind Advisories in 2023
Wind Advisory 9, NWS Billings, MT
NWS Billings, MT issued this wind advisory at Feb 19, 2023, 2:21 AM MST for Park County, Stillwater County, Sweet Grass County, Montana. It took effect at Feb 19, 2023, 12:02 PM MST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Feb 19, 2023, 2:21 AM MST (09:21 UTC)
- In effect from
- Feb 19, 2023, 12:02 PM MST
- Expired
- Feb 20, 2023, 4:18 AM MST
- In force
- 16 hr
- Issued by
- NWS Billings, MT
Counties Park County, MT, Stillwater County, MT, Sweet Grass County, MT
The radar
The Billings radar (KBLX), 107 km from the middle of the area, began a volume at 09:22 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
Riverton, WY (KRIW), launched 00:00Z, 9.4 hours before the alert went out and 313 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
- 2270 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Billings, MT wrote its last area forecast discussion before this wind advisory went out at Feb 18, 8:26 PM MST, 5 hours 55 minutes earlier.
Area forecast discussion, Feb 18, 8:26 PM MST, 5 hours 55 minutes before
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Special weather statement, Feb 18, 9:13 PM MST, 5 hours 8 minutes before
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</html>Special weather statement, Feb 18, 9:44 PM MST, 4 hours 37 minutes before
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</html>The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 5:13 PM MST | Special Weather Statement | BYZ | Wheatland | 2 hr |
| Feb 18, 6:06 PM MST | Winter Weather Advisory | BYZ | Golden Valley, Wheatland | 9 hr |
| Feb 18, 6:31 PM MST | Special Weather Statement | BYZ | Musselshell | 119 min |
| Feb 18, 9:13 PM MST | Special Weather Statement | BYZ | Big Horn, Yellowstone | 107 min |
| Feb 18, 9:44 PM MST | Special Weather Statement | BYZ | Carbon, Park, Stillwater, Sweet Grass | 2 hr |
| Feb 18, 11:18 PM MST | Special Weather Statement | BYZ | Big Horn | 87 min |
| Feb 19, 2:44 AM MST | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 24 hr |
| Feb 19, 2:44 AM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 4 days |
| Feb 19, 2:43 PM MST | High Wind Warning | BYZ | Sweet Grass, Wheatland | 14 hr |
Nearby
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.