Alert archive / Illinois / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 93, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 9, 2012, 5:45 PM CDT for Champaign County, Edgar County, Vermilion County, Illinois. It was in force for 60 min. 6 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
- Aug 9, 2012, 5:45 PM CDT (22:45 UTC)
- Expired
- Aug 9, 2012, 6:45 PM CDT
- In force
- 60 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Champaign County, IL, Edgar County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 128 km from the middle of the area, began a volume at 22:49 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 |
|---|---|---|---|
| Aug 9, 6:00 PM CDT | HAIL 0.75 | 3 N Philo, IL | |
| Aug 9, 6:05 PM CDT | TSTM WND DMG | 3 S Sidney, IL | TEN TRAIN CARS DERAILED BY THUNDERSTOM WIND GUST |
| Aug 9, 6:06 PM CDT | TSTM WND DMG | 1 S Sidney, IL | TREES TOPPED...CORN FIELD BLOWN DOWN...POWER LINES BLOWN DOWN |
| Aug 9, 6:06 PM CDT | TSTM WND DMG | Sidney, IL | TREE LIMBS BLOWN DOWN |
| Aug 9, 6:07 PM CDT | TSTM WND DMG | Philo, IL | TREE LIMBS BLOWN DOWN |
| Aug 9, 6:15 PM CDT | TSTM WND DMG | Broadlands, IL | GRAIN SILO WITH DENTS...SOME STRUCTURE DAMAGE...TREES BLOWN DOWN |
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 |
|---|---|---|---|
| Aug 9, 4:02 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 67 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
- 396 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1480 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
206 WUUS53 KILX 092245 SVRILX ILC019-045-183-092345- /O.NEW.KILX.SV.W.0093.120809T2245Z-120809T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 545 PM CDT THU AUG 9 2012 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS... NORTHEASTERN EDGAR COUNTY IN EAST CENTRAL ILLINOIS... SOUTHERN VERMILION COUNTY IN EAST CENTRAL ILLINOIS... * UNTIL 645 PM CDT. * AT 540 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CHAMPAIGN...AND MOVING EAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... URBANA...PHILO...ST. JOSEPH...SIDNEY...OGDEN...HOMER... BROADLANDS...FITHIAN...ALLERTON...FAIRMOUNT...OAKWOOD...SIDELL... CATLIN...TILTON...WESTVILLE...GEORGETOWN...RIDGE FARM...CHRISMAN... PALERMO AND KICKAPOO STATE PARK. 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 3972 8753 4006 8839 4023 8829 4012 8752 TIME...MOT...LOC 2245Z 292DEG 29KT 4010 8822 WIND...HAIL 60MPH 1.00IN $$ CHS
2 follow-up statements
506 WWUS53 KILX 092306 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 606 PM CDT THU AUG 9 2012 ILC019-045-183-092345- /O.CON.KILX.SV.W.0093.000000T0000Z-120809T2345Z/ VERMILION IL-CHAMPAIGN IL-EDGAR IL- 606 PM CDT THU AUG 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN EDGAR...SOUTHEASTERN CHAMPAIGN AND SOUTHERN VERMILION COUNTIES UNTIL 645 PM CDT... AT 603 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SIDNEY...OR 13 MILES SOUTHEAST OF CHAMPAIGN...MOVING SOUTHEAST AT 35 MPH. IN ADDITION...AT 6 PM PENNY SIZED HAIL WAS REPORTED 3 MILES NORTH OF PHILO BY TRAINED SPOTTERS. LOCATIONS IMPACTED INCLUDE... HOMER...BROADLANDS...ALLERTON...FAIRMOUNT...CATLIN...SIDELL... WESTVILLE...GEORGETOWN...RIDGE FARM...CHRISMAN...JAMAICA... PALERMO...INDIANOLA AND SCOTTLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3999 8820 4010 8812 4008 8752 3972 8753 TIME...MOT...LOC 2305Z 299DEG 29KT 3999 8806 WIND...HAIL 60MPH 1.00IN $$ CHS
460 WWUS53 KILX 092331 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 631 PM CDT THU AUG 9 2012 ILC019-092342- /O.CAN.KILX.SV.W.0093.000000T0000Z-120809T2345Z/ CHAMPAIGN IL- 631 PM CDT THU AUG 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHAMPAIGN COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3988 8793 4008 8787 4008 8752 3972 8753 TIME...MOT...LOC 2332Z 299DEG 29KT 3990 8780 $$ ILC045-183-092345- /O.CON.KILX.SV.W.0093.000000T0000Z-120809T2345Z/ VERMILION IL-EDGAR IL- 631 PM CDT THU AUG 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN EDGAR AND SOUTHERN VERMILION COUNTIES UNTIL 645 PM CDT... AT 630 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SIDELL...OR 20 MILES SOUTHWEST OF DANVILLE...MOVING SOUTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... WESTVILLE...GEORGETOWN...RIDGE FARM...CHRISMAN...INDIANOLA AND SCOTTLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 3988 8793 4008 8787 4008 8752 3972 8753 TIME...MOT...LOC 2332Z 299DEG 29KT 3990 8780 WIND...HAIL 60MPH 1.00IN $$ CHS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 3:20 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 25 min |
| Aug 9, 3:40 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Marshall, Woodford | 65 min |
| Aug 9, 4:20 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean, Piatt | 38 min |
| Aug 9, 6:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 58 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.