Alert archive / Illinois / Tornado Warnings in 2012
Tornado Warning 17, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Aug 31, 2012, 2:44 PM CDT for Greene County, Jersey County, Pike County, Illinois. It was in force for 31 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
- Aug 31, 2012, 2:44 PM CDT (19:44 UTC)
- Expired
- Aug 31, 2012, 3:15 PM CDT
- In force
- 31 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Greene County, IL, Jersey County, IL, Pike County, IL
The radar
The St Louis radar (KLSX), 75 km from the middle of the area, began a volume at 19:46 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 |
|---|---|---|---|
| Aug 31, 2:51 PM CDT | TORNADO | 2 E Fieldon, IL | COUNTY SHERRIF RELAYED CROP DAMGE... ONE MINOR HOME DAMAGE AND TREES DAMAGED OFF ILLINOIS STATE HIGHWAY 16. |
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 31, 1:56 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.7 hours before the alert went out and 187 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
- 947 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
605
WFUS53 KLSX 311944
TORLSX
ILC061-083-149-312015-
/O.NEW.KLSX.TO.W.0017.120831T1944Z-120831T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
244 PM CDT FRI AUG 31 2012
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN GREENE COUNTY IN SOUTHWEST ILLINOIS...
CENTRAL JERSEY COUNTY IN SOUTHWEST ILLINOIS...
SOUTHEASTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 315 PM CDT
* AT 241 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR OLD KANE...AND MOVING NORTH AT 35 MPH.
HAZARD...DEVELOPING TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE
HOMES COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR
SNAPPED. VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.
* LOCATIONS IMPACTED INCLUDE...
WHITE HALL...CARROLLTON...ROODHOUSE...WOODY...ELDRED...BERDAN...
BELLTOWN...HAYPRESS...WALKERSVILLE...BEECREEK...HILLVIEW...
PATTERSON...PEARL AND BARROW.
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.
HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
&&
LAT...LON 3952 9036 3914 9028 3909 9050 3931 9061
3935 9062 3939 9062 3940 9066 3952 9072
TIME...MOT...LOC 1943Z 161DEG 29KT 3922 9044
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
PRZYBYLINSKI2 follow-up statements
401
WWUS53 KLSX 311958
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
258 PM CDT FRI AUG 31 2012
ILC061-083-149-312015-
/O.CON.KLSX.TO.W.0017.000000T0000Z-120831T2015Z/
JERSEY IL-PIKE IL-GREENE IL-
258 PM CDT FRI AUG 31 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN GREENE AND CENTRAL
JERSEY COUNTIES IN SOUTHWEST ILLINOIS...AND SOUTHEASTERN PIKE COUNTY
IN WEST CENTRAL ILLINOIS UNTIL 315 PM CDT...
AT 245 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FIELDON ILLINOIS...AND MOVING NORTH AT 35 MPH.
HAZARD...DEVELOPING TORNADO.
SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD NEAR FIELDON ILLINOIS
MOVING TO THE NORTH NORTHEAST AT 35 MPH.
IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE HOMES
COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR SNAPPED.
VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.
LOCATIONS IMPACTED INCLUDE...
WHITE HALL...ROODHOUSE...BERDAN...BELLTOWN...HAYPRESS...
WALKERSVILLE...BEECREEK...HILLVIEW...PATTERSON...PEARL AND BARROW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST
LOUIS.
&&
LAT...LON 3952 9036 3914 9028 3909 9050 3931 9061
3935 9062 3939 9062 3940 9066 3952 9072
TIME...MOT...LOC 1955Z 161DEG 29KT 3931 9048
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
PRZYBYLINSKI891
WWUS53 KLSX 312013
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
313 PM CDT FRI AUG 31 2012
ILC061-083-149-312022-
/O.EXP.KLSX.TO.W.0017.000000T0000Z-120831T2015Z/
JERSEY IL-PIKE IL-GREENE IL-
313 PM CDT FRI AUG 31 2012
...THE TORNADO WARNING FOR WESTERN GREENE AND CENTRAL JERSEY COUNTIES
IN SOUTHWEST ILLINOIS...AND SOUTHEASTERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS WILL EXPIRE AT 315 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 1000 PM CDT.
LAT...LON 3952 9036 3914 9028 3909 9050 3931 9061
3935 9062 3939 9062 3940 9066 3952 9072
TIME...MOT...LOC 2012Z 161DEG 29KT 3944 9054
$$
PRZYBYLINSKIThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 2:48 PM CDT | Tornado Warning | LSX | Madison | 17 min |
| Aug 31, 3:27 PM CDT | Tornado Warning | LSX | Greene, Pike | 48 min |
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.