Alert archive / Montana / High Wind Warnings in 2007
High Wind Warning 10, NWS Billings, MT
NWS Billings, MT issued this high wind warning at Apr 18, 2007, 4:17 AM MDT for Carter County, Fallon County, Powder River County, Montana. It took effect at Apr 18, 2007, 12:00 PM MDT. It was in force for 10 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
- Apr 18, 2007, 4:17 AM MDT (10:17 UTC)
- In effect from
- Apr 18, 2007, 12:00 PM MDT
- Expired
- Apr 18, 2007, 9:30 PM MDT
- In force
- 10 hr
- Issued by
- NWS Billings, MT
Counties Carter County, MT, Fallon County, MT, Powder River County, MT
The radar
The Rapid City radar (KUDX), 241 km from the middle of the area, began a volume at 10:22 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
Rapid City, SD (KUNR), launched 00:00Z, 10.3 hours before the alert went out and 243 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
- 2487 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind warning 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 high wind warning went out at Apr 17, 2:40 PM MDT, 13 hours 37 minutes earlier.
Area forecast discussion, Apr 17, 2:40 PM MDT, 13 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 |
|---|---|---|---|---|
| Apr 18, 2:38 PM MDT | Heavy Snow Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 25 hr |
Nearby
High Wind Warnings in Montana, 2007Every high wind warning in 2007
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.