Alert archive / Missouri / Tornado Warnings in 2011
Tornado Warning 101, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 25, 2011, 4:11 PM CDT for Madison County, Monroe County, Saint Clair County, Illinois; 4 counties in Missouri. It was in force for 49 min. 23 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
- May 25, 2011, 4:11 PM CDT (21:11 UTC)
- Expired
- May 25, 2011, 5:00 PM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Madison County, IL, Monroe County, IL, Saint Clair County, IL, City of Saint Louis, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 41 km from the middle of the area, began a volume at 21:13 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 |
|---|---|---|---|
| May 25, 4:12 PM CDT | HAIL 1.75 | Mehlville, MO | AT LEMAY AND LINDBERGH. |
| May 25, 4:15 PM CDT | HAIL 1 | Lemay, MO | 0.75 TO 1 INCH HAIL |
| May 25, 4:15 PM CDT | HAIL 1.75 | 1 Sw Lemay, MO | JEFFERSON BARRACKSD |
| May 25, 4:15 PM CDT | HAIL 1.75 | Crestwood, MO | |
| May 25, 4:20 PM CDT | HAIL 3.5 | St. Louis, MO | NEAR I44 AND KINGSHIGHWAY |
| May 25, 4:22 PM CDT | HAIL 3 | Sunset Hills, MO | OBLONG 3 INCH HAIL. |
| May 25, 4:25 PM CDT | HAIL 1 | Webster Groves, MO | |
| May 25, 4:29 PM CDT | HAIL 2.75 | Affton, MO | FUNNEL CLOUD ALSO OBSERVED TO THE EAST |
| May 25, 4:30 PM CDT | HAIL 1 | St. Louis, MO | NEAR SW AVENUE AND HAMPTON |
| May 25, 4:32 PM CDT | HAIL 2.5 | St. Louis, MO | AT THE INTERSECTION OF I-44 AND GRAND BLVD. |
| May 25, 4:35 PM CDT | HAIL 4.5 | Sunset Hills, MO | AT GRAVOIS AND HEIDELBERG. |
| May 25, 4:38 PM CDT | HAIL 1 | Granite City, IL | |
| May 25, 4:40 PM CDT | HAIL 2.75 | St. Louis, MO | AT THE ST. LOUIS UNIVERSITY CAMPUS. |
| May 25, 4:42 PM CDT | HAIL 1 | Granite City, IL | AT THE CORNER OF LYNCH AND VINE AVENUES. |
| May 25, 4:42 PM CDT | HAIL 4.5 | St. Louis, MO | BASEBALL TO SOFTBALL SIZE HAIL ON SOUTH SIDE OF CITY. |
| May 25, 4:43 PM CDT | HAIL 0.88 | Granite City, IL | |
| May 25, 4:44 PM CDT | FUNNEL CLOUD | Washington Park, IL | |
| May 25, 4:50 PM CDT | TORNADO | Fairmont City, IL | RELAYED FROM A PUBLIC REPORT |
| May 25, 4:53 PM CDT | TSTM WND GST 60 | 3 Se Murphy, MO | |
| May 25, 4:55 PM CDT | FUNNEL CLOUD | 2 E Granite City, IL | NUMEROUS REPORTS OF A FUNNEL CLOUD ABOUT A THIRD OF THE WAY TO THE GROUND. |
| May 25, 4:56 PM CDT | HAIL 1.75 | Granite City, IL | |
| May 25, 4:58 PM CDT | HAIL 1.75 | 4 Nne Granite City, IL | BETWEEN HWY 3 AND 111 |
| May 25, 5:08 PM CDT | TSTM WND GST 60 | Wood River, 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 |
|---|---|---|---|
| May 25, 11:09 AM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.2 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
- 1832 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 10.1
The text
As transmitted, in the capitals the NWS used until 2016.
890 WFUS53 KLSX 252111 TORLSX ILC119-133-163-MOC099-183-189-510-252200- /O.NEW.KLSX.TO.W.0101.110525T2111Z-110525T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 411 PM CDT WED MAY 25 2011 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN MADISON COUNTY IN SOUTHWEST ILLINOIS... NORTHWESTERN MONROE COUNTY IN SOUTHWEST ILLINOIS... NORTHWESTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS... NORTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI... EXTREME NORTHEASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI... EASTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI... ST. LOUIS CITY IN EAST CENTRAL MISSOURI... * UNTIL 500 PM CDT * AT 409 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR ARNOLD...AND MOVING NORTHEAST AT 25 MPH. AT 403 PM CDT...A TRAINED SPOTTER REPORTED A FUNNEL CLOUD IN BYRNES MILL IN JEFFERSON COUNTY. PING PONG SIZE HAIL HAS ALSO BE REPORTED WITH THIS STORM. * LOCATIONS IMPACTED INCLUDE... OAKVILLE...SUNSET HILLS...MEHLVILLE...COLUMBIA...CRESTWOOD... LAKESHIRE...OAKLAND...AFFTON...LEMAY...GLENDALE...WEBSTER GROVES... WARSON WOODS...DUPO...SHREWSBURY...BRENTWOOD...MAPLEWOOD...RICHMOND HEIGHTS...CLAYTON...CAHOKIA AND UNIVERSITY CITY. 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 3892 9021 3885 8985 3831 9031 3842 9050 TIME...MOT...LOC 2110Z 215DEG 24KT 3844 9036 $$ BRITT
4 follow-up statements
677 WWUS53 KLSX 252122 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 422 PM CDT WED MAY 25 2011 MOC099-252131- /O.CAN.KLSX.TO.W.0101.000000T0000Z-110525T2200Z/ JEFFERSON MO- 422 PM CDT WED MAY 25 2011 ...THE TORNADO WARNING FOR NORTHEASTERN JEFFERSON COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM CDT. LAT...LON 3840 9023 3849 9041 3892 9021 3885 8985 TIME...MOT...LOC 2121Z 214DEG 28KT 3853 9030 $$ ILC119-133-163-MOC183-189-510-252200- /O.CON.KLSX.TO.W.0101.000000T0000Z-110525T2200Z/ MADISON IL-MONROE IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO- ST. LOUIS CITY MO- 422 PM CDT WED MAY 25 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY...EASTERN ST. LOUIS...EXTREME NORTHEASTERN ST. CHARLES...NORTHWESTERN ST. CLAIR...NORTH CENTRAL MONROE AND SOUTHWESTERN MADISON COUNTIES UNTIL 500 PM CDT... AT 417 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR MEHLVILLE...MOVING NORTHEAST AT 35 MPH. AT 420 PM...THERE WERE MULTIPLE REPORTS A FUNNEL CLOUD NEAR THE INTERSECTION OF INTERSTATE 55 AND INTERSTATE 255. THIS IS AN EXTREMELY DANGEROUS SITUATION. TAKE COVER NOW! LOCATIONS IMPACTED INCLUDE... LEMAY...WEBSTER GROVES...DUPO...SHREWSBURY...BRENTWOOD... MAPLEWOOD...RICHMOND HEIGHTS...CAHOKIA...CLAYTON...UNIVERSITY CITY...ST. LOUIS...CENTREVILLE...HILLSDALE...EAST ST. LOUIS... NORMANDY...NORTHWOODS...WASHINGTON PARK...VENICE...JENNINGS AND MADISON. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 3840 9023 3849 9041 3892 9021 3885 8985 TIME...MOT...LOC 2121Z 214DEG 28KT 3853 9030 $$ BRITT
391 WWUS53 KLSX 252130 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 430 PM CDT WED MAY 25 2011 ILC133-252140- /O.CAN.KLSX.TO.W.0101.000000T0000Z-110525T2200Z/ MONROE IL- 430 PM CDT WED MAY 25 2011 ...THE TORNADO WARNING FOR NORTH CENTRAL MONROE COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3846 9018 3859 9036 3892 9021 3885 8985 TIME...MOT...LOC 2130Z 222DEG 31KT 3858 9022 $$ ILC119-163-MOC183-189-510-252200- /O.CON.KLSX.TO.W.0101.000000T0000Z-110525T2200Z/ MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO- 430 PM CDT WED MAY 25 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY... NORTHEASTERN ST. LOUIS...EXTREME NORTHEASTERN ST. CHARLES... NORTHWESTERN ST. CLAIR AND SOUTHWESTERN MADISON COUNTIES UNTIL 500 PM CDT... AT 426 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. VERY STRONG ROTATION WAS OCCURING WITH THIS STORM AND A TORNADO IS LIKELY AT ANY TIME. THIS DANGEROUS STORM WAS LOCATED NEAR EAST CARONDELET...OR NEAR LEMAY...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... CAHOKIA...ST. LOUIS...HILLSDALE...NORMANDY...NORTHWOODS... CENTREVILLE...EAST ST. LOUIS...JENNINGS...VENICE...DELLWOOD... WASHINGTON PARK...MADISON...BELLEFONTAINE NEIGHBORS...RIVERVIEW... BLACK JACK...GRANITE CITY...SPANISH LAKE...COLLINSVILLE...PONTOON BEACH AND MARYVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 3846 9018 3859 9036 3892 9021 3885 8985 TIME...MOT...LOC 2130Z 222DEG 31KT 3858 9022 $$ GLASS
706
WWUS53 KLSX 252143
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
443 PM CDT WED MAY 25 2011
ILC119-163-MOC183-189-510-252200-
/O.CON.KLSX.TO.W.0101.000000T0000Z-110525T2200Z/
MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO-
443 PM CDT WED MAY 25 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY...
NORTHEASTERN ST. LOUIS...EXTREME NORTHEASTERN ST. CHARLES...
NORTHWESTERN ST. CLAIR AND SOUTHWESTERN MADISON COUNTIES UNTIL 500 PM
CDT...
AT 438 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR BROOKLYN...OR NEAR EAST ST. LOUIS...MOVING
NORTHEAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
SPANISH LAKE...PONTOON BEACH...MARYVILLE...GLEN CARBON...ALTON...
WOOD RIVER...EDWARDSVILLE...WEST ALTON...HARTFORD...ROXANA...
MITCHELL AND POAG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.
&&
LAT...LON 3854 9011 3846 9018 3859 9036 3892 9021
3885 8985
TIME...MOT...LOC 2143Z 223DEG 38KT 3868 9010
$$
GLASS747
WWUS53 KLSX 252155
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
455 PM CDT WED MAY 25 2011
ILC119-163-MOC183-189-510-252200-
/O.CON.KLSX.TO.W.0101.000000T0000Z-110525T2200Z/
MADISON IL-ST. CLAIR IL-ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO-
455 PM CDT WED MAY 25 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY...
NORTHEASTERN ST. LOUIS...EXTREME NORTHEASTERN ST. CHARLES...
NORTHWESTERN ST. CLAIR AND SOUTHWESTERN MADISON COUNTIES UNTIL 500 PM
CDT...
AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR PONTOON BEACH...MOVING NORTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
GLEN CARBON...ALTON...WOOD RIVER...EDWARDSVILLE...HARTFORD...ROXANA
AND POAG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.
&&
LAT...LON 3854 9011 3846 9018 3859 9036 3892 9021
3885 8985
TIME...MOT...LOC 2155Z 219DEG 34KT 3876 9002
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 2:00 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Calhoun, Greene, Jersey, Pike | 45 min |
| May 25, 4:15 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 35 min |
| May 25, 4:39 AM CDT | Tornado Warning | LSX | Calhoun, Greene, Jersey | 22 min |
| May 25, 7:47 AM CDT | Areal Flood Advisory | LSX | Adams, Brown, Pike | 3 hr |
| May 25, 11:24 AM CDT | River Flood Warning | LSX | Pike, Scott | 47 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Adams | 13 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Adams | 13 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Adams | 13 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Pike | 40 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Pike | 15 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Pike | 40 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Calhoun | 46 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Calhoun | 43 days |
| May 25, 12:15 PM CDT | River Flood Warning | LSX | Saint Clair | 46 days |
| May 25, 12:18 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 42 min |
| May 25, 12:56 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 13 min |
| May 25, 1:05 PM CDT | Tornado Warning | LSX | Fayette | 16 min |
| May 25, 1:09 PM CDT | Areal Flood Advisory | LSX | Fayette, Montgomery | 4 hr |
| May 25, 2:49 PM CDT | Tornado Warning | LSX | Monroe | 32 min |
| May 25, 2:54 PM CDT | Tornado Warning | LSX | Adams, Pike | 51 min |
| May 25, 2:55 PM CDT | Tornado Warning | LSX | Calhoun, Pike | 50 min |
| May 25, 3:25 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison, Montgomery | 50 min |
| May 25, 3:29 PM CDT | Tornado Warning | LSX | Calhoun, Greene, Jersey | 46 min |
| May 25, 3:30 PM CDT | Tornado Warning | LSX | Monroe | 33 min |
| May 25, 3:34 PM CDT | Tornado Warning | LSX | Adams, Pike | 41 min |
| May 25, 3:36 PM CDT | Tornado Warning | LSX | Jersey, Macoupin, Madison | 29 min |
| May 25, 3:37 PM CDT | Tornado Warning | LSX | Adams, Pike | 25 min |
| May 25, 3:43 PM CDT | Tornado Warning | LSX | Calhoun, Greene, Pike | 47 min |
| May 25, 3:53 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 52 min |
| May 25, 4:00 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 45 min |
| May 25, 4:05 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 40 min |
| May 25, 4:23 PM CDT | Tornado Warning | LSX | Monroe, Randolph, Saint Clair | 52 min |
| May 25, 4:24 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Madison | 38 min |
| May 25, 4:51 PM CDT | Tornado Warning | LSX | Monroe | 39 min |
| May 25, 4:56 PM CDT | Tornado Warning | LSX | Macoupin, Madison | 49 min |
| May 25, 5:00 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 25 min |
| May 25, 5:08 PM CDT | Tornado Warning | LSX | Clinton, Madison, Saint Clair, Washington | 52 min |
| May 25, 5:12 PM CDT | Tornado Warning | LSX | Randolph, Saint Clair | 48 min |
| May 25, 5:16 PM CDT | Areal Flood Advisory | LSX | Brown | 4 hr |
| May 25, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 52 min |
| May 25, 5:24 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 51 min |
| May 25, 5:30 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Madison, Montgomery | 45 min |
| May 25, 5:34 PM CDT | Tornado Warning | LSX | Bond, Clinton, Fayette, Madison, Marion, Montgomery | 41 min |
| May 25, 5:37 PM CDT | Flash Flood Warning | LSX | Brown | 4 hr |
| May 25, 5:46 PM CDT | Tornado Warning | LSX | Clinton, Randolph, Saint Clair, Washington | 44 min |
| May 25, 5:48 PM CDT | Areal Flood Advisory | LSX | Bond, Fayette, Madison, Montgomery, Saint Clair | 5 hr |
| May 25, 5:51 PM CDT | Tornado Warning | LSX | Randolph | 29 min |
| May 25, 6:02 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 43 min |
| May 25, 6:23 PM CDT | Tornado Warning | LSX | Clinton, Marion, Washington | 34 min |
| May 25, 6:33 PM CDT | River Flood Warning | LSX | Brown | 40 hr |
| May 25, 6:34 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion, Montgomery | 26 min |
| May 25, 6:48 PM CDT | Tornado Warning | LSX | Fayette, Marion | 26 min |
| May 25, 1:32 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Moniteau | 43 min |
| May 25, 1:35 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Lincoln, Montgomery, Pike, Ralls | 40 min |
| May 25, 2:16 AM CDT | Areal Flood Advisory | LSX | Boone, Cole, Moniteau | 6 hr |
| May 25, 3:09 AM CDT | Areal Flood Advisory | LSX | Audrain, Knox, Lewis, Marion, Monroe, Ralls and 1 more | 5 hr |
| May 25, 3:55 AM CDT | Flash Flood Warning | LSX | Lewis, Marion, Shelby | 6 hr |
| May 25, 5:08 AM CDT | River Flood Warning | LSX | Lewis | 3 days |
| May 25, 7:56 AM CDT | River Flood Warning | LSX | Marion | 12 hr |
| May 25, 9:06 AM CDT | River Flood Warning | LSX | Marion | 11 hr |
| May 25, 11:03 AM CDT | River Flood Warning | LSX | Callaway, Cole | 5 days |
| May 25, 11:03 AM CDT | River Flood Warning | LSX | Franklin, Warren | 6 days |
| May 25, 11:03 AM CDT | River Flood Warning | LSX | Saint Charles, Saint Louis | 20 days |
| May 25, 1:00 PM CDT | Tornado Warning | LSX | Cole, Moniteau | 60 min |
| May 25, 1:36 PM CDT | Flash Flood Warning | LSX | Moniteau | 5 hr |
| May 25, 1:36 PM CDT | Tornado Warning | LSX | Cole | 39 min |
| May 25, 1:48 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Montgomery, Pike | 42 min |
| May 25, 1:54 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Pike, Warren | 51 min |
| May 25, 1:55 PM CDT | Tornado Warning | LSX | Boone, Callaway, Cole, Moniteau | 50 min |
| May 25, 2:02 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Marion, Monroe, Ralls, Shelby | 43 min |
| May 25, 2:05 PM CDT | Tornado Warning | LSX | Audrain, Callaway, Montgomery, Pike | 40 min |
| May 25, 2:07 PM CDT | Tornado Warning | LSX | Lincoln, Montgomery, Pike, Warren | 53 min |
| May 25, 2:11 PM CDT | Tornado Warning | LSX | Audrain, Marion, Monroe, Ralls, Shelby | 49 min |
| May 25, 2:14 PM CDT | Flash Flood Warning | LSX | Cole | 5 hr |
| May 25, 2:15 PM CDT | Tornado Warning | LSX | Callaway, Cole, Osage | 45 min |
| May 25, 2:22 PM CDT | Tornado Warning | LSX | Crawford, Franklin, Gasconade | 53 min |
| May 25, 2:29 PM CDT | Tornado Warning | LSX | Crawford | 61 min |
| May 25, 2:36 PM CDT | Flash Flood Warning | LSX | Audrain, Boone | 6 hr |
| May 25, 2:42 PM CDT | Tornado Warning | LSX | Audrain, Montgomery, Pike | 48 min |
| May 25, 2:43 PM CDT | Tornado Warning | LSX | Jefferson, Saint Francois, Washington | 18 min |
Nearby
Tornado Warnings in Missouri, 2011Tornado Warnings in Illinois, 2011Every tornado warning in 2011Tornadoes in 2011
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.