Alert archive / Missouri / Tornado Warnings in 2010
Tornado Warning 86, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Dec 31, 2010, 11:22 AM CST for 5 counties in Illinois; 6 counties in Missouri. It was in force for 53 min. 35 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
- Dec 31, 2010, 11:22 AM CST (17:22 UTC)
- Expired
- Dec 31, 2010, 12:15 PM CST
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Calhoun County, IL, Jersey County, IL, Madison County, IL, Monroe County, IL, Saint Clair County, IL, City of Saint Louis, MO, Franklin County, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 22 km from the middle of the area, began a volume at 17:22 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 |
|---|---|---|---|
| Dec 31, 11:22 AM CST | TORNADO | Villa Ridge, MO | THERE ARE SOME HOMES DAMAGED BY A TORNADO IN THE VILLA RIDGE AREA. OCCURRED AT 1122 AM CDT |
| Dec 31, 11:34 AM CST | TORNADO | 3 Nw Cedar Hill, MO | SEVERAL LARGE TREES DOWN 3.0 TO 4.0 MILES NORTHWEST OF CEDAR MILL MO |
| Dec 31, 11:34 AM CST | TORNADO | Robertsville, MO | THERE IS A TORNADO ON THE GROUND JUST NORTHEAST OF ROBERTSVILLE MO. SEVERAL HOMES WERE DAMAGED |
| Dec 31, 11:40 AM CST | TORNADO | Byrnes Mill, MO | TREE DAMAGE IN BYRNES MILL IN LINE WITH THE TREE DAMAGE NORTHWEST OF CEDAR HILL MO. SEVERAL LARGE TREES DOWN IN BYRNES MILL AREA. |
| Dec 31, 11:40 AM CST | TORNADO | Fenton, MO | SIGNIFICANT DAMAGE TO A CHURCH AND NUMEROUS TREES DOWN. |
| Dec 31, 11:40 AM CST | TORNADO | Pacific, MO | AMATEUR RADIO OPERATOR REPORTED TORNADO ON THE GROUND IN PACIFIC MISSOURI. REPORT CAME IN AT 11 40 AM RP |
| Dec 31, 11:47 AM CST | TORNADO | Ballwin, MO | ROOF DAMAGE IN BALLWIN MO |
| Dec 31, 11:48 AM CST | TSTM WND GST 60 | High Ridge, MO | WALL CLOUD |
| Dec 31, 11:48 AM CST | HAIL 0.75 | Hillsboro, MO | |
| Dec 31, 11:49 AM CST | TORNADO | Ballwin, MO | BRIEF TORNADO TOUCHDOWN AT THE BALLWIN MUNCIPIL GOLFCOURSE. RP |
| Dec 31, 11:50 AM CST | TSTM WND GST 65 | Ballwin, MO | INTERSECTION OF MANCHESTER AND HOLLOWAY |
| Dec 31, 11:50 AM CST | HAIL 0.75 | Barnhart, MO | |
| Dec 31, 11:50 AM CST | HAIL 1.25 | Crestwood, MO | |
| Dec 31, 11:54 AM CST | HAIL 0.88 | Imperial, MO | |
| Dec 31, 11:55 AM CST | TSTM WND DMG | Ballwin, MO | TREES AND POWER LINES DOWNED AND NUMEROUS LAWN FURNITURE ITEMS BLOWN AROUND |
| Dec 31, 11:55 AM CST | TSTM WND DMG | Creve Coeur, MO | PEA SIZE HAIL AT 270 AND DORSETT NEAR CREVE COEUR LAKE. |
| Dec 31, 11:55 AM CST | HAIL 0.25 | Creve Coeur, MO | 60 MPH WINDS AT 270 AND DORSETT NEAR CREVE COEUR LAKE. THREE INCH DIAMETER TREE LIMBS DOWN. |
| Dec 31, 11:55 AM CST | HAIL 0.25 | Manchester, MO | |
| Dec 31, 11:56 AM CST | TORNADO | Byrnes Mill, MO | |
| Dec 31, 11:56 AM CST | TORNADO | Sunset Hills, MO | SEVERAL BUSINESS AND HOMES DAMAGED IN SUNSET HILLS. THERE ARE INJURIES RP |
| Dec 31, 11:57 AM CST | TSTM WND DMG | Herculaneum, MO | TREE BRANCHES DOWNED UP TO SIX INCHES IN DIAMETER |
| Dec 31, 11:57 AM CST | HAIL 0.75 | Imperial, MO | HAIL OCCURRING AT INTERSTATE 55 AT RICHARDSON. |
| Dec 31, 11:58 AM CST | HAIL 1 | Imperial, MO | |
| Dec 31, 11:58 AM CST | HAIL 1.5 | Barnhart, MO | |
| Dec 31, 11:59 AM CST | HAIL 1.5 | Barnhart, MO | 1. 50 INCH HAIL AT BARNHART MO |
| Dec 31, 12:04 PM CST | TORNADO | 4 Nw Waterloo, IL | TORNADO ON THE GROUND 3 TO 4 MILES NORTHWEST OF WATERLOO IL |
| Dec 31, 12:05 PM CST | TSTM WND GST 60 | St. Louis, MO | 60 MPH WIND REPORTED AT CHIPPEWA AND KINGSHIGHWAY. |
| Dec 31, 12:10 PM CST | TORNADO | St. Louis, MO | GARFIELD AND TAYLOR IN NORTH ST. LOUIS CITY. TREES DOWN |
| Dec 31, 12:11 PM CST | HAIL 1 | Columbia, IL | ACCOMPANIED BY 50 TO 55 MPH ESTIMATED WINDS |
| Dec 31, 12:12 PM CST | HAIL 0.7 | Millstadt, IL | TREE BRANCHES UP TO SIX INCHES IN DIAMETER DOWNED FROM ESTIMATED 55 TO 60 MPH WINDS |
| Dec 31, 12:15 PM CST | TSTM WND GST 70 | Belleville, IL | SEVERAL POWER POLES DOWN. |
| Dec 31, 12:15 PM CST | TSTM WND GST 70 | Columbia, IL | SEVERAL REPORTS OF VERY HIGH WINDS IN THE CITY OF COLUMBIA. IL |
| Dec 31, 12:20 PM CST | HAIL 1 | Belleville, IL | |
| Dec 31, 12:21 PM CST | HAIL 0.7 | Belleville, IL | |
| Dec 31, 12:25 PM CST | HAIL 0.88 | Waterloo, 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 |
|---|---|---|---|
| Dec 31, 7:29 AM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.4 hours before the alert went out and 251 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
- 506 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 450 m²/s²
- 0-3 km storm-relative helicity
- 427 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
345
WFUS53 KLSX 311722
TORLSX
ILC013-083-119-133-163-MOC071-099-183-189-221-510-311815-
/O.NEW.KLSX.TO.W.0086.101231T1722Z-101231T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1122 AM CST FRI DEC 31 2010
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
JERSEY COUNTY IN SOUTHWEST ILLINOIS...
WESTERN MADISON COUNTY IN SOUTHWEST ILLINOIS...
NORTHERN MONROE COUNTY IN SOUTHWEST ILLINOIS...
NORTHWESTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS...
EASTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
NORTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
* UNTIL 1215 PM CST
* AT 1117 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING RAIN-WRAPPED TORNADOES IN
ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE. THESE DANGEROUS
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM DUTZOW TO
RICHWOODS AND MOVING NORTHEAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
GRAY SUMMIT...PACIFIC...CEDAR HILL...HILLSBORO...EUREKA...LAKE ST.
LOUIS...WILDWOOD...DARDENNE PRAIRIE...BYRNES MILL...O'FALLON...
FESTUS...WELDON SPRING...HIGH RIDGE...ST. PAUL...ELLISVILLE...
COTTLEVILLE...CLARKSON VALLEY...ANTONIA...HERCULANEUM AND
CHESTERFIELD.
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.
THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 3808 9076 3858 9097 3871 9097 3920 9026
3840 8992
TIME...MOT...LOC 1721Z 238DEG 43KT 3865 9093 3818 9073
$$
CVKING2 follow-up statements
955
WWUS53 KLSX 311738
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1138 AM CST FRI DEC 31 2010
ILC013-083-119-133-163-MOC071-099-183-189-221-510-311815-
/O.CON.KLSX.TO.W.0086.000000T0000Z-101231T1815Z/
MONROE IL-ST. CLAIR IL-MADISON IL-JERSEY IL-CALHOUN IL-WASHINGTON MO-
JEFFERSON MO-FRANKLIN MO-ST. LOUIS CITY MO-ST. LOUIS MO-
ST. CHARLES MO-
1138 AM CST FRI DEC 31 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR ST. CHARLES...ST. LOUIS...
ST. LOUIS CITY...EASTERN FRANKLIN...JEFFERSON...NORTHEASTERN
WASHINGTON...SOUTHERN CALHOUN...JERSEY...WESTERN MADISON...WESTERN
ST. CLAIR AND NORTHERN MONROE COUNTIES UNTIL 1215 PM CST...
AT 1130 AM CST...SPOTTERS REPORTED MULTIPLE HOUSES DAMAGED BY A
CONFIRMED TORNADO IN ROBERTSVILLE IN EASTERN FRANKLIN COUNTY...THIS
TORNADO IS ON THE GROUND AND MOVING TO THE NORTHEAST TOWARD PACIFIC
AND EUREKA. TAKE SHELTER NOW!
AT 1134 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES. THESE DANGEROUS STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM NEW MELLE TO HILLSBORO...MOVING
NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
EUREKA...LAKE ST. LOUIS...WILDWOOD...DARDENNE PRAIRIE...BYRNES
MILL...O'FALLON...FESTUS...WELDON SPRING...ST. PAUL...HIGH RIDGE...
ELLISVILLE...COTTLEVILLE...CLARKSON VALLEY...HERCULANEUM...
ANTONIA...CHESTERFIELD...PEVELY...BALLWIN...MURPHY AND ST. PETERS.
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.
THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 3808 9076 3858 9097 3871 9097 3920 9026
3840 8992
TIME...MOT...LOC 1738Z 238DEG 43KT 3875 9080 3824 9059
$$
CVKING978 WWUS53 KLSX 311757 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1157 AM CST FRI DEC 31 2010 MOC071-221-311806- /O.CAN.KLSX.TO.W.0086.000000T0000Z-101231T1815Z/ WASHINGTON MO-FRANKLIN MO- 1157 AM CST FRI DEC 31 2010 ...THE TORNADO WARNING FOR EASTERN FRANKLIN AND NORTHEASTERN WASHINGTON COUNTIES IS CANCELLED... THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED AREA. LAT...LON 3820 9045 3888 9071 3920 9026 3840 8992 TIME...MOT...LOC 1756Z 238DEG 43KT 3886 9056 3835 9035 $$ ILC013-083-119-133-163-MOC099-183-189-510-311815- /O.CON.KLSX.TO.W.0086.000000T0000Z-101231T1815Z/ MONROE IL-ST. CLAIR IL-MADISON IL-JERSEY IL-CALHOUN IL-JEFFERSON MO- ST. LOUIS CITY MO-ST. LOUIS MO-ST. CHARLES MO- 1157 AM CST FRI DEC 31 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN ST. CHARLES...ST. LOUIS...ST. LOUIS CITY...NORTHEASTERN JEFFERSON...SOUTHERN CALHOUN... JERSEY...WESTERN MADISON...WESTERN ST. CLAIR AND NORTHERN MONROE COUNTIES UNTIL 1215 PM CST... AT 1151 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE SQUALL LINE PRODUCING DAMAGING STRAIGHT LINE WINDS AND TORNADOES. THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ST. PETERS TO BARNHART...MOVING NORTHEAST AT 50 MPH. NUMEROUS TORNADOES AND DAMAGE ARE BEING REPORTED TO THE NATIONAL WEATHER SERVICE. THIS IS EXTREMELY DANGEROUS SITUATION...TAKE SHELTER IMMEDIATELY! LOCATIONS IMPACTED INCLUDE... ARNOLD...MARYLAND HEIGHTS...KIRKWOOD...CREVE COEUR...FRONTENAC... CRESTWOOD...OAKLAND...WARSON WOODS...GLENDALE...OAKVILLE...LADUE... WEBSTER GROVES...LAKESHIRE...BRIDGETON...MEHLVILLE...AFFTON... OLIVETTE...BRENTWOOD...ST. ANN AND SHREWSBURY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 3820 9045 3888 9071 3920 9026 3840 8992 TIME...MOT...LOC 1756Z 238DEG 43KT 3886 9056 3835 9035 $$ CVKING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 9:43 AM CST | Tornado Warning | LSX | Adams, Brown | 32 min |
| Dec 31, 10:22 AM CST | Tornado Warning | LSX | Pike | 38 min |
| Dec 31, 11:00 AM CST | Tornado Warning | LSX | Calhoun, Pike | 60 min |
| Dec 31, 11:15 AM CST | Tornado Warning | LSX | Calhoun, Pike | 45 min |
| Dec 31, 11:54 AM CST | Tornado Warning | LSX | Calhoun, Greene, Pike | 51 min |
| Dec 31, 11:59 AM CST | Tornado Warning | LSX | Bond, Clinton, Jersey, Macoupin, Madison, Monroe and 2 more | 61 min |
| Dec 31, 12:38 PM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion, Montgomery | 67 min |
| Dec 31, 12:57 PM CST | Tornado Warning | LSX | Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more | 48 min |
| Dec 31, 1:11 PM CST | Tornado Warning | LSX | Randolph | 49 min |
| Dec 31, 1:40 PM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion, Washington | 50 min |
| Dec 31, 1:44 PM CST | Tornado Warning | LSX | Clinton, Monroe, Randolph, Saint Clair, Washington | 61 min |
| Dec 31, 2:00 PM CST | Tornado Warning | LSX | Randolph | 60 min |
| Dec 31, 2:22 PM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion, Washington | 53 min |
| Dec 31, 2:26 AM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Osage | 49 min |
| Dec 31, 3:05 AM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade | 40 min |
| Dec 31, 9:41 AM CST | Severe Thunderstorm Warning | LSX | Callaway | 34 min |
| Dec 31, 10:08 AM CST | Tornado Warning | LSX | Audrain, Callaway, Montgomery, Pike | 37 min |
| Dec 31, 10:11 AM CST | Tornado Warning | LSX | Crawford, Franklin, Gasconade | 64 min |
| Dec 31, 10:13 AM CST | Tornado Warning | LSX | Crawford, Franklin, Washington | 62 min |
| Dec 31, 10:47 AM CST | Tornado Warning | LSX | Montgomery, Pike | 13 min |
| Dec 31, 10:56 AM CST | Tornado Warning | LSX | Crawford, Franklin, Jefferson, Saint Charles, Saint Louis, Warren and 1 more | 64 min |
| Dec 31, 12:29 PM CST | Tornado Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 31 min |
Nearby
Tornado Warnings in Missouri, 2010Tornado Warnings in Illinois, 2010Every tornado warning in 2010Tornadoes in 2010
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.