Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 42, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 1, 2012, 3:43 AM CDT for McLean County, Tazewell County, Illinois. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 1, 2012, 3:43 AM CDT (08:43 UTC)
- Expired
- Apr 1, 2012, 4:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties McLean County, IL, Tazewell County, IL
The radar
The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 08:46 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 1, 3:51 AM CDT | HAIL 0.5 | Morton, IL | |
| Apr 1, 3:59 AM CDT | HAIL 0.5 | Morton, IL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 31, 9:24 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 8.7 hours before the alert went out and 70 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
- 1987 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
124 WUUS53 KILX 010843 SVRILX ILC113-179-010930- /O.NEW.KILX.SV.W.0042.120401T0843Z-120401T0930Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 343 AM CDT SUN APR 1 2012 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL MCLEAN COUNTY IN CENTRAL ILLINOIS... EAST CENTRAL TAZEWELL COUNTY IN CENTRAL ILLINOIS... * UNTIL 430 AM CDT. * AT 341 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR MORTON...OR 8 MILES EAST OF PEKIN...AND MOVING EAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... MACKINAW...MINIER...DANVERS AND STANFORD. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 99 AND 124. THIS INCLUDES INTERSTATE 155 BETWEEN MILE MARKERS 23 AND 31. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN. && LAT...LON 4056 8906 4035 8912 4052 8956 4064 8952 TIME...MOT...LOC 0844Z 292DEG 23KT 4058 8946 WIND...HAIL <50MPH 1.00IN $$ SMITH
3 follow-up statements
370 WWUS53 KILX 010852 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 352 AM CDT SUN APR 1 2012 ILC113-179-010930- /O.CON.KILX.SV.W.0042.000000T0000Z-120401T0930Z/ MCLEAN IL-TAZEWELL IL- 352 AM CDT SUN APR 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL TAZEWELL AND WEST CENTRAL MCLEAN COUNTIES UNTIL 430 AM CDT... AT 340 AM CDT...EMERGENCY MANAGEMENT REPORTED A SEVERE THUNDERSTORM PRODUCING WINDS IN EXCESS OF 70 MPH JUST WEST OF TREMONT. THIS STORM WAS LOCATED NEAR TREMONT...OR 8 MILES EAST OF PEKIN...MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... MACKINAW...MINIER...DANVERS AND STANFORD. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 99 AND 124. THIS INCLUDES INTERSTATE 155 BETWEEN MILE MARKERS 23 AND 31. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4064 8952 4056 8906 4035 8912 4052 8956 TIME...MOT...LOC 0851Z 293DEG 23KT 4054 8944 WIND...HAIL 70MPH 1.00IN $$ SMITH
799 WWUS53 KILX 010906 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 406 AM CDT SUN APR 1 2012 ILC113-179-010930- /O.CON.KILX.SV.W.0042.000000T0000Z-120401T0930Z/ MCLEAN IL-TAZEWELL IL- 406 AM CDT SUN APR 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL TAZEWELL AND WEST CENTRAL MCLEAN COUNTIES UNTIL 430 AM CDT... AT 405 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MACKINAW...MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... DANVERS AND STANFORD. PRECAUTIONARY/PREPAREDNESS ACTIONS... PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN THE PATH OF THIS STORM. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN. && LAT...LON 4050 8945 4061 8937 4056 8906 4035 8912 TIME...MOT...LOC 0906Z 293DEG 23KT 4052 8931 WIND...HAIL 60MPH 1.00IN $$ GEELHART
943 WWUS53 KILX 010917 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 417 AM CDT SUN APR 1 2012 ILC179-010927- /O.CAN.KILX.SV.W.0042.000000T0000Z-120401T0930Z/ TAZEWELL IL- 417 AM CDT SUN APR 1 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TAZEWELL COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. HOWEVER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 6 AM. BE ALERT FOR THE POSSIBILITY OF MORE SEVERE WEATHER. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN. LAT...LON 4045 8927 4057 8926 4056 8906 4035 8912 TIME...MOT...LOC 0917Z 293DEG 23KT 4049 8923 $$ ILC113-010930- /O.CON.KILX.SV.W.0042.000000T0000Z-120401T0930Z/ MCLEAN IL- 417 AM CDT SUN APR 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WEST CENTRAL MCLEAN COUNTY UNTIL 430 AM CDT... AT 414 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR DANVERS...OR 14 MILES WEST OF BLOOMINGTON... MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... DANVERS AND STANFORD. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LINCOLN. && LAT...LON 4045 8927 4057 8926 4056 8906 4035 8912 TIME...MOT...LOC 0917Z 293DEG 23KT 4049 8923 WIND...HAIL <50MPH 1.00IN $$ GEELHART
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 1:06 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 54 min |
| Apr 1, 1:59 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 46 min |
| Apr 1, 2:20 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 55 min |
| Apr 1, 2:42 AM CDT | Special Weather Statement | ILX | Tazewell | 63 min |
| Apr 1, 2:48 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 57 min |
| Apr 1, 3:15 AM CDT | Severe Thunderstorm Warning | ILX | Peoria, Woodford | 30 min |
| Apr 1, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell, Woodford | 39 min |
| Apr 1, 4:22 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 38 min |
| Apr 1, 8:23 AM CDT | Special Weather Statement | ILX | Vermilion | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2012Every severe thunderstorm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.