Alert archive / Montana / Wind Advisories in 2008
Wind Advisory 17, NWS Billings, MT
NWS Billings, MT issued this wind advisory at Nov 21, 2008, 3:25 PM MST for Park County, Stillwater County, Sweet Grass County, Montana. It took effect at Nov 22, 2008, 12:00 AM MST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2008, 3:25 PM MST (22:25 UTC)
- In effect from
- Nov 22, 2008, 12:00 AM MST
- Expired
- Nov 22, 2008, 12:00 PM MST
- In force
- 12 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 22:22 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 12:00Z, 10.4 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
- 1679 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 2:46 AM MST | Winter Weather Advisory | BYZ | Carter, Custer, Fallon | 16 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.