Alert archive / Illinois / Freeze Warnings in 2018
Freeze Warning 4, NWS Paducah, KY
NWS Paducah, KY issued this freeze warning at Apr 15, 2018, 4:10 AM CDT for 14 counties in Illinois; 9 counties in Missouri. It took effect at Apr 16, 2018, 1:00 AM CDT. It was in force for 9 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 15, 2018, 4:10 AM CDT (09:10 UTC)
- In effect from
- Apr 16, 2018, 1:00 AM CDT
- Expired
- Apr 16, 2018, 10:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Paducah, KY
All 23 counties
Alexander County, IL, Edwards County, IL, Franklin County, IL, Hamilton County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Perry County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Perry County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 9.2 hours before the alert went out and 289 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
- 42 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 454 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 14, 6:31 PM CDT, 9 hours 39 minutes earlier.
Area forecast discussion, Apr 14, 6:31 PM CDT, 9 hours 39 minutes before
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</html>Hazardous weather outlook, Apr 14, 1:35 PM CDT, 14 hours 35 minutes before
Hazardous Weather Outlook National Weather Service Paducah KY 135 PM CDT Sat Apr 14 2018 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-151000- Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton- White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope- Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh- Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves- Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell- Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean- Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter- Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid- 135 PM CDT Sat Apr 14 2018 This Hazardous Weather Outlook is for portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. .DAY ONE...This Afternoon and Tonight The thunderstorm chance has diminished, and severe storms are not expected. Locally heavy rain may still occur, particularly east o the Lakes in western Kentucky. Refer to the Hydrologic Outlook product for additional details. .DAYS TWO THROUGH SEVEN...Sunday through Friday Freezing or near freezing temperatures are forecast Sunday night, but a little wind and cloud should preclude a widespread frosting. Better frost chances are slated for Monday night, particularly across northern portions of the region, with clearing skies, lighter winds, and lows forecast near freezing. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
Nearby
Freeze Warnings in Illinois, 2018Freeze Warnings in Missouri, 2018Every freeze warning in 2018
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.