Alert archive / Illinois / Freeze Warnings in 2021
Freeze Warning 4, NWS Lincoln, IL
NWS Lincoln, IL issued this freeze warning at Apr 19, 2021, 2:27 PM CDT for 35 counties in Illinois. It took effect at Apr 21, 2021, 1:00 AM CDT. It was in force for 8 hr. 34 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 19, 2021, 2:27 PM CDT (19:27 UTC)
- In effect from
- Apr 21, 2021, 1:00 AM CDT
- Expired
- Apr 21, 2021, 9:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Lincoln, IL
All 35 counties
Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fulton County, IL, Jasper County, IL, Knox County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 19:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 21, 5:00 AM CDT | SNOW 0.5 | 4 Ne Normal, IL | 24 HOUR TOTAL. |
| Apr 21, 6:00 AM CDT | SNOW 1 | 4 Ese Bloomington, IL | 24 HOUR TOTAL. |
| Apr 21, 6:00 AM CDT | SNOW 2 | 3 S Avon, IL | 24 HOUR TOTAL. |
| Apr 21, 6:30 AM CDT | SNOW 1 | 1 N Windsor, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.3 | 2 S Jacksonville, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.5 | 1 Ese Chatham, IL | SNOW ACCUMULATION MAINLY ON ELEVATED SURFACES. |
| Apr 21, 7:00 AM CDT | SNOW 0.5 | 2 Wsw Bloomington, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.5 | 3 Ene Urbana, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.5 | 3 Wsw Mansfield, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.5 | 4 W Springfield, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.5 | 6 Nne Pana, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.6 | 1 Sse Urbana, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.6 | Clinton, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.7 | Roanoke, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.8 | 3 Sse Henning, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 0.8 | 5 Nnw El Paso, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1 | 1 E Paris, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1 | 1 N Sidney, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1 | 1 Wsw Tuscola, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1 | 2 Se Taylorville, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1 | 2 Se Urbana, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1 | 4 Nw Mode, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1.1 | 2 Ene Philo, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1.1 | 3 Ne Bloomington, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1.2 | 3 Wnw Peoria, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1.5 | 2 N Homer, IL | 24 HOUR TOTAL, UPDATES A PREVIOUS REPORT FROM HOMER 2N. |
| Apr 21, 7:00 AM CDT | SNOW 1.5 | Yates City, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 1.6 | 4 Nw Sidell, IL | 24 HOUR TOTAL. |
| Apr 21, 7:00 AM CDT | SNOW 2 | Avon, IL | 24 HOUR TOTAL. |
| Apr 21, 8:00 AM CDT | SNOW 0.5 | 2 W Lawrenceville, IL | 24 HOUR TOTAL. |
| Apr 21, 8:00 AM CDT | SNOW 0.8 | 1 W Bismarck, IL | SWOP REPORT. |
| Apr 21, 8:00 AM CDT | SNOW 0.9 | Champaign, IL | 24 HOUR TOTAL. |
| Apr 21, 8:00 AM CDT | SNOW 1.4 | 2 Nw Downs, IL | 24 HOUR TOTAL. |
| Apr 21, 9:00 AM CDT | SNOW 1.2 | 2 E Normal, IL | 24 HOUR TOTAL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 46 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
- 2000 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
590 WWUS73 KILX 191927 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 227 PM CDT Mon Apr 19 2021 ILZ027>031-036>038-040>057-061>063-066>068-071>073-200330- /O.UPG.KILX.FZ.A.0002.210421T0200Z-210421T1400Z/ /O.NEW.KILX.FZ.W.0004.210421T0600Z-210421T1400Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, Petersburg, Winchester, Jacksonville, Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville 227 PM CDT Mon Apr 19 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of central, east central, southeast and west central Illinois. * WHEN...From 1 AM to 9 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Another night of sub-freezing temperatures is likely Wednesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ Shimon
5 follow-up statements
788 WWUS73 KILX 200327 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 1027 PM CDT Mon Apr 19 2021 ILZ027>031-036>038-040>057-061>063-066>068-071>073-201200- /O.CON.KILX.FZ.W.0004.210421T0600Z-210421T1400Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, Petersburg, Winchester, Jacksonville, Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville 1027 PM CDT Mon Apr 19 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of central, east central, southeast and west central Illinois. * WHEN...From 1 AM to 9 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Another night of sub-freezing temperatures is likely Wednesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ Deubelbeiss
550 WWUS73 KILX 200814 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 314 AM CDT Tue Apr 20 2021 ILZ027>031-036>038-040>057-061>063-066>068-071>073-202100- /O.CON.KILX.FZ.W.0004.210421T0600Z-210421T1400Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, Petersburg, Winchester, Jacksonville, Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville 314 AM CDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...From 1 AM to 9 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Another night of sub-freezing temperatures is likely Wednesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ Deubelbeiss
057 WWUS73 KILX 202023 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 323 PM CDT Tue Apr 20 2021 ILZ027>031-036>038-040>057-061>063-066>068-071>073-210900- /O.CON.KILX.FZ.W.0004.210421T0600Z-210421T1400Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, Petersburg, Winchester, Jacksonville, Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville 323 PM CDT Tue Apr 20 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...From 1 AM to 9 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Another night of sub-freezing temperatures is likely Wednesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ 37
336 WWUS73 KILX 210758 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 258 AM CDT Wed Apr 21 2021 ILZ027>031-036>038-040>057-061>063-066>068-071>073-212200- /O.NEW.KILX.FZ.W.0005.210422T0500Z-210422T1400Z/ /O.CON.KILX.FZ.W.0004.000000T0000Z-210421T1400Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, Petersburg, Winchester, Jacksonville, Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville 258 AM CDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT THURSDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 27 this morning. For the second Freeze Warning, sub- freezing temperatures as low as 28 expected tonight into Thursday morning. * WHERE...Portions of central, east central, southeast and west central Illinois. * WHEN...For the first Freeze Warning, until 9 AM CDT this morning. For the second Freeze Warning, from midnight tonight to 9 AM CDT Thursday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ Deubelbeiss
011 WWUS73 KILX 211404 NPWILX URGENT - WEATHER MESSAGE National Weather Service Lincoln IL 904 AM CDT Wed Apr 21 2021 ILZ027>031-036>038-040>057-061>063-066>068-071>073-212215- /O.EXP.KILX.FZ.W.0004.000000T0000Z-210421T1400Z/ /O.CON.KILX.FZ.W.0005.210422T0500Z-210422T1400Z/ Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass- Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas- Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford- Clay-Richland-Lawrence- Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka, Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln, Clinton, Monticello, Champaign, Urbana, Danville, Beardstown, Petersburg, Winchester, Jacksonville, Springfield, Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville 904 AM CDT Wed Apr 21 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of central, east central, southeast and west central Illinois. * WHEN...Midnight tonight to 9 AM CDT Thursday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 2:27 AM CDT | Freeze Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 12 hr |
Nearby
Freeze Warnings in Illinois, 2021Every freeze warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.