Alert archive / Illinois / Freeze Warnings in 2012
Freeze Warning 1, NWS Paducah, KY
NWS Paducah, KY issued this freeze warning at Apr 10, 2012, 3:01 PM CDT for 7 counties in Illinois. It took effect at Apr 11, 2012, 3:00 AM CDT. It was in force for 5 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 10, 2012, 3:01 PM CDT (20:01 UTC)
- In effect from
- Apr 11, 2012, 3:00 AM CDT
- Expired
- Apr 11, 2012, 8:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Paducah, KY
Counties Edwards County, IL, Franklin County, IL, Hamilton County, IL, Jefferson County, IL, Perry County, IL, Wabash County, IL, Wayne County, IL
The radar
The Evansville,IN radar (KVWX), 75 km from the middle of the area, began a volume at 20:03 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
Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 211 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
- 1571 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -95 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Paducah, KY wrote its last area forecast discussion before this freeze warning went out at Apr 10, 2:50 PM CDT, 11 minutes earlier.
Area forecast discussion, Apr 10, 2:50 PM CDT, 11 minutes before
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</html>The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 4:14 AM CDT | Red Flag Warning | PAH | Christian, Daviess, Henderson, Hopkins, McLean, Muhlenberg and 3 more | 15 hr |
| Apr 10, 3:01 PM CDT | Freeze Watch | PAH | Daviess, Henderson, Union | 12 hr |
Nearby
Freeze Warnings in Illinois, 2012Every freeze warning in 2012
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.