Alert archive / Illinois / Tornado Warnings in 2012
Tornado Warning 6, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jan 17, 2012, 3:07 AM CST for 4 counties in Illinois. It was in force for 38 min. 3 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
- Jan 17, 2012, 3:07 AM CST (09:07 UTC)
- Expired
- Jan 17, 2012, 3:45 AM CST
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Clinton County, IL, Monroe County, IL, Saint Clair County, IL, Washington County, IL
The radar
The St Louis radar (KLSX), 83 km from the middle of the area, began a volume at 09:08 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 |
|---|---|---|---|
| Jan 17, 3:08 AM CST | TSTM WND DMG | Millstadt, IL | POWER LINES DOWN...TIME APPROXIMATE. |
| Jan 17, 3:27 AM CST | HAIL 1.5 | Freeburg, IL | HAIL COVERING GROUND. |
| Jan 17, 3:34 AM CST | HAIL 1.5 | Freeburg, IL | DAMAGE TO MOTOR VEHICLE. |
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 |
|---|---|---|---|
| Jan 16, 11:47 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 9.1 hours before the alert went out and 214 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
- 2 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 431 m²/s²
- 0-3 km storm-relative helicity
- 500 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
427 WFUS53 KLSX 170907 TORLSX ILC027-133-163-189-170945- /O.NEW.KLSX.TO.W.0006.120117T0907Z-120117T0945Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 307 AM CST TUE JAN 17 2012 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS... NORTHERN MONROE COUNTY IN SOUTHWEST ILLINOIS... CENTRAL ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS... NORTHWESTERN WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS... * UNTIL 345 AM CST * AT 304 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR WATERLOO...AND MOVING EAST AT 55 MPH. * LOCATIONS IMPACTED INCLUDE... MILLSTADT...FREEBURG...MASCOUTAH...NEW BADEN...SMITHTON...NEW MEMPHIS...ALBERS...OKAWVILLE...GERMANTOWN...BARR...FLORAVILLE... PADERBORN...FAYETTEVILLE...ST. LIBORY...JOHANNISBURG...VENEDY... DAMIANSVILLE...FROGTOWN...ADDIEVILLE AND BARTELSO. 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 3858 8946 3839 8942 3828 9026 3845 9028 TIME...MOT...LOC 0907Z 258DEG 49KT 3836 9016 $$ TRUETT
2 follow-up statements
069 WWUS53 KLSX 170921 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 321 AM CST TUE JAN 17 2012 ILC133-170929- /O.CAN.KLSX.TO.W.0006.000000T0000Z-120117T0945Z/ MONROE IL- 321 AM CST TUE JAN 17 2012 ...THE TORNADO WARNING FOR NORTHERN MONROE COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. HOWEVER...ADDITIONAL STRONG STORMS ARE POSSIBLE...AND A TORNAOD WATCH REMAINS IN EFFECT UNTIL 7 AM. LAT...LON 3845 9018 3858 8946 3839 8942 3831 9002 TIME...MOT...LOC 0919Z 257DEG 46KT 3840 8997 $$ ILC027-163-189-170945- /O.CON.KLSX.TO.W.0006.000000T0000Z-120117T0945Z/ ST. CLAIR IL-WASHINGTON IL-CLINTON IL- 321 AM CST TUE JAN 17 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CLINTON... NORTHWESTERN WASHINGTON AND CENTRAL ST. CLAIR COUNTIES UNTIL 345 AM CST... AT 316 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR SMITHTON...OR 6 MILES SOUTHEAST OF MILLSTADT...MOVING EAST AT 55 MPH. RADAR IS INDICATING STRONG ROTATION WITH THIS STORM...SO TAKE COVER NOW. DONT WAIT...THIS STORM IS MOVING RAPIDLY...AND IF YOU WAIT UNTIL YOU SEE OR HEAR A TORNADO IT MAY BE TOO LATE. LOCATIONS IMPACTED INCLUDE... FREEBURG...MASCOUTAH...NEW BADEN...NEW MEMPHIS...ALBERS... OKAWVILLE...GERMANTOWN...FAYETTEVILLE...ST. LIBORY... JOHANNISBURG...VENEDY...DAMIANSVILLE...FROGTOWN...BARTELSO AND ADDIEVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS. && LAT...LON 3845 9018 3858 8946 3839 8942 3831 9002 TIME...MOT...LOC 0919Z 257DEG 46KT 3840 8997 $$ TRUETT
349
WWUS53 KLSX 170941
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
341 AM CST TUE JAN 17 2012
ILC163-170951-
/O.CAN.KLSX.TO.W.0006.000000T0000Z-120117T0945Z/
ST. CLAIR IL-
341 AM CST TUE JAN 17 2012
...THE TORNADO WARNING FOR CENTRAL ST. CLAIR COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA. HOWEVER...ADDITIONAL SEVERE STORMS ARE POSSIBLE...AND A
TORNADO WATCH REMAINS IN EFFECT UNTIL 7 AM.
LAT...LON 3839 8942 3836 8970 3839 8971 3854 8970
3858 8946
TIME...MOT...LOC 0941Z 257DEG 46KT 3846 8962
$$
ILC027-189-170945-
/O.CON.KLSX.TO.W.0006.000000T0000Z-120117T0945Z/
WASHINGTON IL-CLINTON IL-
341 AM CST TUE JAN 17 2012
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CLINTON AND
NORTHWESTERN WASHINGTON COUNTIES UNTIL 345 AM CST...
AT 339 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR NEW MEMPHIS...OR 6 MILES SOUTHEAST OF NEW
BADEN...MOVING EAST AT 55 MPH.
RADAR IS INDICATING STRONG ROTATION WITH THIS STORM...SO TAKE COVER
NOW. DONT WAIT...THIS STORM IS MOVING RAPIDLY...AND IF YOU WAIT
UNTIL YOU SEE OR HEAR A TORNADO IT MAY BE TOO LATE.
LOCATIONS IMPACTED INCLUDE...
ALBERS...OKAWVILLE...GERMANTOWN...FROGTOWN...BARTELSO AND
ADDIEVILLE.
LAT...LON 3839 8942 3836 8970 3839 8971 3854 8970
3858 8946
TIME...MOT...LOC 0941Z 257DEG 46KT 3846 8962
$$
TRUETTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 11:59 PM CST | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 58 days |
| Jan 17, 1:23 AM CST | Severe Thunderstorm Warning | LSX | Calhoun | 37 min |
| Jan 17, 2:08 AM CST | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 37 min |
| Jan 17, 2:17 AM CST | Severe Thunderstorm Warning | LSX | Madison | 28 min |
| Jan 17, 2:35 AM CST | Tornado Warning | LSX | Monroe | 40 min |
| Jan 17, 2:38 AM CST | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 52 min |
| Jan 17, 2:39 AM CST | Severe Thunderstorm Warning | LSX | Bond | 36 min |
| Jan 17, 3:23 AM CST | Severe Thunderstorm Warning | LSX | Clinton, Marion | 35 min |
| Jan 17, 3:46 AM CST | Tornado Warning | LSX | Clinton, Washington | 29 min |
| Jan 17, 4:34 AM CST | Areal Flood Advisory | LSX | Bond, Clinton, Fayette, Macoupin, Madison, Marion and 4 more | 60 days |
| Jan 17, 5:14 AM CST | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison, Saint Clair | 46 min |
| Jan 17, 5:22 AM CST | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 38 min |
| Jan 17, 5:47 AM CST | Severe Thunderstorm Warning | LSX | Clinton, Fayette, Marion | 43 min |
| Jan 17, 5:53 AM CST | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair, Washington | 52 min |
| Jan 17, 6:01 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 44 min |
| Jan 17, 6:35 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 25 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.