Alert archive / Iowa / Frost Advisories in 2022
Frost Advisory 1, NWS Quad Cities, IA
NWS Quad Cities, IA issued this frost advisory at Apr 26, 2022, 2:39 PM CDT for 11 counties in Iowa; 8 counties in Illinois. It took effect at Apr 27, 2022, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 26, 2022, 2:39 PM CDT (19:39 UTC)
- In effect from
- Apr 27, 2022, 1:00 AM CDT
- Expired
- Apr 27, 2022, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Quad Cities, IA
Counties Cedar County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson County, IA, Keokuk County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Washington County, IA, Bureau County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Warren County, IL
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.7 hours before the alert went out and 236 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
- 1181 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -86 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 2:39 PM CDT | Freeze Warning | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 17 hr |
Nearby
Frost Advisories in Iowa, 2022Frost Advisories in Illinois, 2022Every frost advisory 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.