Alert archive / Illinois / Tornado Warnings in 2012
Tornado Warning 20, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Sep 1, 2012, 12:26 PM CDT for Marshall County, Illinois. It was in force for 49 min. 1 report 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
- Sep 1, 2012, 12:26 PM CDT (17:26 UTC)
- Expired
- Sep 1, 2012, 1:15 PM CDT
- In force
- 49 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
County Marshall County, IL
The radar
The Lincoln radar (KILX), 103 km from the middle of the area, began a volume at 17:26 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 |
|---|---|---|---|
| Sep 1, 12:32 PM CDT | FUNNEL CLOUD | Varna, IL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 5.4 hours before the alert went out and 117 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
- 35 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 860 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
450
WFUS53 KILX 011726
TORILX
ILC123-011815-
/O.NEW.KILX.TO.W.0020.120901T1726Z-120901T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1226 PM CDT SAT SEP 1 2012
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL MARSHALL COUNTY IN CENTRAL ILLINOIS...
* UNTIL 115 PM CDT.
* AT 1221 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
DANGEROUS STORM WAS LOCATED NEAR LA ROSE...OR 11 MILES EAST OF
LACON...AND MOVING NORTHWEST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
LACON...VARNA...SPARLAND...HENRY...MARSHALL COUNTY AIRPORT AND LAKE
WILDWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4115 8932 4112 8932 4111 8933 4111 8921
4096 8913 4092 8922 4092 8923 4106 8954
4116 8939 4115 8933
TIME...MOT...LOC 1725Z 147DEG 17KT 4099 8922
$$2 follow-up statements
992
WWUS53 KILX 011748
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1248 PM CDT SAT SEP 1 2012
ILC123-011815-
/O.CON.KILX.TO.W.0020.000000T0000Z-120901T1815Z/
MARSHALL IL-
1248 PM CDT SAT SEP 1 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL MARSHALL COUNTY
UNTIL 115 PM CDT...
AT 1243 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR VARNA...OR 7 MILES EAST OF LACON...MOVING
NORTHWEST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
VARNA...SPARLAND...AND HENRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4115 8932 4112 8932 4111 8933 4111 8921
4096 8913 4092 8922 4092 8923 4106 8954
4116 8939 4115 8933
TIME...MOT...LOC 1748Z 147DEG 17KT 4107 8930
$$
BARNES688
WWUS53 KILX 011811
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
111 PM CDT SAT SEP 1 2012
ILC123-011820-
/O.EXP.KILX.TO.W.0020.000000T0000Z-120901T1815Z/
MARSHALL IL-
111 PM CDT SAT SEP 1 2012
...THE TORNADO WARNING FOR CENTRAL MARSHALL COUNTY WILL EXPIRE AT 115
PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 9 PM CDT.
LAT...LON 4115 8932 4112 8932 4111 8933 4111 8921
4096 8913 4092 8922 4092 8923 4106 8954
4116 8939 4115 8933
TIME...MOT...LOC 1810Z 147DEG 17KT 4116 8938
$$
BARNESThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 11:48 AM CDT | Tornado Warning | ILX | Marshall, Woodford | 42 min |
| Sep 1, 12:01 PM CDT | Tornado Warning | ILX | Marshall, Peoria, Woodford | 44 min |
| Sep 1, 12:07 PM CDT | Tornado Warning | ILX | Logan, Tazewell | 22 min |
| Sep 1, 12:43 PM CDT | Tornado Warning | ILX | Marshall, Stark | 47 min |
| Sep 1, 2:41 PM CDT | Tornado Warning | ILX | Christian, Logan, Sangamon | 49 min |
| Sep 1, 2:50 PM CDT | Tornado Warning | ILX | Mason, Menard, Sangamon | 40 min |
| Sep 1, 4:24 PM CDT | Flash Flood Warning | ILX | Effingham | 6 hr |
Nearby
Tornado Warnings in Illinois, 2012Every tornado warning in 2012Tornadoes 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.