Alert archive / Idaho / Wind Chill Warnings in 2022
Wind Chill Warning 7, NWS Pocatello, ID
NWS Pocatello, ID issued this wind chill warning at Dec 20, 2022, 11:54 AM MST for 19 counties in Idaho. It took effect at Dec 21, 2022, 5:00 PM MST. It was in force for 19 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
- Dec 20, 2022, 11:54 AM MST (18:54 UTC)
- In effect from
- Dec 21, 2022, 5:00 PM MST
- Expired
- Dec 22, 2022, 12:00 PM MST
- In force
- 19 hr
- Issued by
- NWS Pocatello, ID
Counties Bannock County, ID, Bear Lake County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Caribou County, ID, Cassia County, ID, Clark County, ID, Custer County, ID, Franklin County, ID, Fremont County, ID, Jefferson County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID, Teton County, ID
The radar
The Pocatello radar (KSFX), 16 km from the middle of the area, began a volume at 18:53 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 6.9 hours before the alert went out and 274 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
- 1906 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 174 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 chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pocatello, ID wrote its last area forecast discussion before this wind chill warning went out at Dec 20, 2:43 AM MST, 9 hours 11 minutes earlier.
Area forecast discussion, Dec 20, 2:43 AM MST, 9 hours 11 minutes before
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</html>The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 8:08 PM MST | Winter Storm Watch | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more | 16 hr |
| Dec 20, 11:54 AM MST | Winter Storm Warning | PIH | Bear Lake, Caribou, Franklin | 33 hr |
| Dec 20, 11:54 AM MST | Winter Weather Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Cassia and 10 more | 33 hr |
Nearby
Wind Chill Warnings in Idaho, 2022Every wind chill warning in 2022
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.