Alert archive / Iowa / Wind Chill Advisories in 2023
Wind Chill Advisory 1, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind chill advisory at Jan 29, 2023, 1:43 PM CST for 4 counties in Iowa. It took effect at Jan 30, 2023, 2:00 AM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2023, 1:43 PM CST (19:43 UTC)
- In effect from
- Jan 30, 2023, 2:00 AM CST
- Expired
- Jan 30, 2023, 9:06 AM CST
- In force
- 7 hr
- Issued by
- NWS Quad Cities, IA
Counties Benton County, IA, Buchanan County, IA, Delaware County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 120 km from the middle of the area, began a volume at 19:44 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
Minneapolis, MN (KMPX), launched 12:00Z, 7.7 hours before the alert went out and 324 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
- 1069 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Wind Chill Advisories in Iowa, 2023Every wind chill advisory in 2023
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.