Alert archive / Illinois / Freeze Warnings in 2012
Freeze Warning 4, NWS Lincoln, IL
NWS Lincoln, IL issued this freeze warning at Apr 22, 2012, 2:37 PM CDT for 9 counties in Illinois. It took effect at Apr 23, 2012, 3:00 AM CDT. It was in force for 4 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 22, 2012, 2:37 PM CDT (19:37 UTC)
- In effect from
- Apr 23, 2012, 3:00 AM CDT
- Expired
- Apr 23, 2012, 7:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Lincoln, IL
Counties Champaign County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Marshall County, IL, McLean County, IL, Piatt County, IL, Vermilion County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 69 km from the middle of the area, began a volume at 19:34 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, 7.6 hours before the alert went out and 13 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
- 1678 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
098 WWUS73 KILX 221937 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 237 PM CDT SUN APR 22 2012 ...TEMPERATURES NEAR FREEZING EXPECTED LATE TONIGHT... ILZ030-031-038-043>046-055-057-230130- /O.NEW.KILX.FZ.W.0004.120423T0800Z-120423T1200Z/ MARSHALL-WOODFORD-MCLEAN-DE WITT-PIATT-CHAMPAIGN-VERMILION- DOUGLAS-EDGAR- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 237 PM CDT SUN APR 22 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 7 AM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 7 AM CDT MONDAY. * TIMING...TEMPERATURES AT OR BELOW FREEZING ARE LIKELY TO OCCUR BY 3 AM...AND WILL CONTINUE THROUGH ABOUT 7 AM. * TEMPERATURES...LOW TEMPERATURES FROM 30 TO 32 DEGREES ARE EXPECTED. SOME NORMALLY COLDER SPOTS MAY DIP INTO THE UPPER 20S. * IMPACTS...TENDER VEGETATION MAY BE DAMAGED OR KILLED IF NOT PROPERLY PROTECTED FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ GEELHART
2 follow-up statements
515 WWUS73 KILX 230134 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 834 PM CDT SUN APR 22 2012 ...TEMPERATURES NEAR FREEZING EXPECTED LATE TONIGHT... ILZ030-031-038-043>046-055-057-231200- /O.CON.KILX.FZ.W.0004.120423T0800Z-120423T1200Z/ MARSHALL-WOODFORD-MCLEAN-DE WITT-PIATT-CHAMPAIGN-VERMILION- DOUGLAS-EDGAR- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 834 PM CDT SUN APR 22 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 7 AM CDT MONDAY... A FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 7 AM CDT MONDAY. * TIMING...TEMPERATURES AT OR BELOW FREEZING ARE LIKELY TO OCCUR BY 3 AM...AND WILL CONTINUE THROUGH ABOUT 7 AM. * TEMPERATURES...LOW TEMPERATURES FROM 30 TO 32 DEGREES ARE EXPECTED. SOME NORMALLY COLDER SPOTS MAY DIP INTO THE UPPER 20S. * IMPACTS...TENDER VEGETATION MAY BE DAMAGED OR KILLED IF NOT PROPERLY PROTECTED FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ SHIMON
233 WWUS73 KILX 231201 NPWILX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 701 AM CDT MON APR 23 2012 ILZ030-031-038-043>046-055-057-231315- /O.EXP.KILX.FZ.W.0004.000000T0000Z-120423T1200Z/ MARSHALL-WOODFORD-MCLEAN-DE WITT-PIATT-CHAMPAIGN-VERMILION- DOUGLAS-EDGAR- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 701 AM CDT MON APR 23 2012 ...FREEZE WARNING HAS EXPIRED... THE FREEZE WARNING IS NO LONGER IN EFFECT. $$ BAK
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.