Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Feb 27, 2011, 6:26 PM CST for Adams County, Brown County, Pike County, Illinois; Lewis County, Marion County, Missouri. It was in force for 49 min. 26 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
- Feb 27, 2011, 6:26 PM CST (00:26 UTC)
- Expired
- Feb 27, 2011, 7:15 PM CST
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Adams County, IL, Brown County, IL, Pike County, IL, Lewis County, MO, Marion County, MO
The radar
The Lincoln radar (KILX), 137 km from the middle of the area, began a volume at 00:30 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 |
|---|---|---|---|
| Feb 27, 6:30 PM CST | HAIL 1 | 1 S Quincy, IL | |
| Feb 27, 6:31 PM CST | HAIL 1 | 8 Sse Quincy, IL | |
| Feb 27, 6:33 PM CST | HAIL 0.88 | Quincy, IL | |
| Feb 27, 6:34 PM CST | HAIL 0.25 | Quincy, IL | HAIL COVERING GROUND |
| Feb 27, 6:35 PM CST | HAIL 0.7 | Quincy, IL | HAIL COVERING GROUND |
| Feb 27, 6:35 PM CST | HAIL 0.88 | Payson, IL | HAIL COVERING GROUND |
| Feb 27, 6:35 PM CST | HAIL 1 | Payson, IL | HAIL COVERING GROUND |
| Feb 27, 6:41 PM CST | HAIL 0.5 | La Grange, MO | PEA TO MARBLE SIZED HAIL |
| Feb 27, 6:43 PM CST | HAIL 0.25 | 4 W La Grange, MO | |
| Feb 27, 6:43 PM CST | HAIL 0.5 | 1 S Ursa, IL | COVERING THE SIDEWALK |
| Feb 27, 6:44 PM CST | HAIL 0.7 | 10 Ese Quincy, IL | 4 MILES SOUTH OF QUINCY REGIONAL BALLWIN FIELD |
| Feb 27, 6:45 PM CST | HAIL 0.88 | Coatsburg, IL | PEA TO NICKEL SIZED HAIL |
| Feb 27, 6:45 PM CST | HAIL 1 | 1 S Quincy, IL | |
| Feb 27, 6:47 PM CST | HAIL 1 | Columbus, IL | |
| Feb 27, 6:50 PM CST | HAIL 0.88 | 1 Sw Camp Point, IL | |
| Feb 27, 6:50 PM CST | HAIL 1 | Camp Point, IL | |
| Feb 27, 6:51 PM CST | HAIL 0.5 | Camp Point, IL | |
| Feb 27, 6:54 PM CST | HAIL 0.75 | 2 Nw Camp Point, IL | |
| Feb 27, 6:55 PM CST | HAIL 0.75 | Mound Station, IL | OCCURRING ALONG U.S HIGHWAY 24 BETWEEN MOUND STATION AND MOUNT STERLING. |
| Feb 27, 6:56 PM CST | HAIL 1 | Clayton, IL | COVERING THE GROUND TO A DEPTH OF ONE-2 INCHES |
| Feb 27, 6:58 PM CST | HAIL 1 | 1 E Golden, IL | |
| Feb 27, 6:59 PM CST | HAIL 0.7 | Mound Station, IL | |
| Feb 27, 7:01 PM CST | HAIL 0.25 | 6 Nnw Palmyra, MO | |
| Feb 27, 7:03 PM CST | HAIL 0 | 4 Se Quincy, IL | 90 PERCENT OF HIGHWAY 172 COVERED WITH HAIL...HAIL FREEZING ON HIGHWAY. |
| Feb 27, 7:05 PM CST | HAIL 0.25 | 4 Ne Loraine, IL | COVERING THE GROUND |
| Feb 27, 7:09 PM CST | HAIL 0.25 | Taylor, MO |
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 |
|---|---|---|---|
| Feb 27, 5:33 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.4 hours before the alert went out and 182 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
- 485 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
870
WUUS53 KLSX 280026
SVRLSX
ILC001-009-149-MOC111-127-280115-
/O.NEW.KLSX.SV.W.0003.110228T0026Z-110228T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
626 PM CST SUN FEB 27 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
BROWN COUNTY IN WEST CENTRAL ILLINOIS...
NORTHWESTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
SOUTHERN LEWIS COUNTY IN NORTHEAST MISSOURI...
EASTERN MARION COUNTY IN NORTHEAST MISSOURI...
* UNTIL 715 PM CST
* AT 622 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
STEFFENVILLE TO 5 MILES NORTHEAST OF PALMYRA TO HANNIBAL...AND
MOVING NORTHEAST AT 70 MPH.
* LOCATIONS IMPACTED INCLUDE...
QUINCY...CANTON...FALL CREEK...PAYSON...LA GRANGE...BEVERLY...
MENDON...CAMP POINT...CLAYTON...GOLDEN...BUCKHORN...MOUNT
STERLING...SEEHORN...BURTON...PLAINVILLE...ADAMS...RICHFIELD...
FOWLER...LIBERTY AND COLUMBUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4020 9092 4011 9091 4011 9070 4008 9070
4007 9067 4005 9068 4003 9061 3999 9060
3999 9051 3997 9051 3995 9053 3968 9130
3969 9146 3984 9151 3998 9195 4021 9133
4020 9109
TIME...MOT...LOC 0026Z 245DEG 59KT 3999 9172 3988 9139
3976 9135
WIND...HAIL <50MPH 1.00IN
$$
CARNEY3 follow-up statements
373
WWUS53 KLSX 280039
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
639 PM CST SUN FEB 27 2011
MOC127-280049-
/O.CAN.KLSX.SV.W.0003.000000T0000Z-110228T0115Z/
MARION MO-
639 PM CST SUN FEB 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARION COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM.
LAT...LON 4020 9092 4011 9091 4011 9070 4005 9068
4003 9061 3999 9060 3999 9051 3997 9051
3992 9062 3968 9130 3972 9137 3980 9138
3987 9145 3994 9144 3995 9165 4004 9177
4021 9134
TIME...MOT...LOC 0039Z 245DEG 59KT 4008 9146 3996 9113
3984 9110
$$
ILC001-009-149-MOC111-280115-
/O.CON.KLSX.SV.W.0003.000000T0000Z-110228T0115Z/
PIKE IL-BROWN IL-ADAMS IL-LEWIS MO-
639 PM CST SUN FEB 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ADAMS...BROWN
AND NORTHWESTERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS...AND
SOUTHEASTERN LEWIS COUNTY IN NORTHEAST MISSOURI UNTIL 715 PM CST...
AT 637 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LA GRANGE TO 8
MILES SOUTHWEST OF CAMP POINT TO 6 MILES EAST OF PAYSON...MOVING
NORTHEAST AT 70 MPH.
LOCATIONS IMPACTED INCLUDE...
BEVERLY...MENDON...CAMP POINT...CLAYTON...GOLDEN...BUCKHORN...MOUNT
STERLING...URSA...PALOMA...KINGSTON...COATSBURG...LIMA...
KELLERVILLE...LORAINE...MOUND STATION...WOODVILLE...CHATTON...LA
PRAIRIE...RIPLEY AND COOPERTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 4020 9092 4011 9091 4011 9070 4005 9068
4003 9061 3999 9060 3999 9051 3997 9051
3992 9062 3968 9130 3972 9137 3980 9138
3987 9145 3994 9144 3995 9165 4004 9177
4021 9134
TIME...MOT...LOC 0039Z 245DEG 59KT 4008 9146 3996 9113
3984 9110
WIND...HAIL <50MPH 1.00IN
$$
CARNEY108
WWUS53 KLSX 280052
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
652 PM CST SUN FEB 27 2011
ILC149-MOC111-280102-
/O.CAN.KLSX.SV.W.0003.000000T0000Z-110228T0115Z/
PIKE IL-LEWIS MO-
652 PM CST SUN FEB 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PIKE COUNTY IN
WEST CENTRAL ILLINOIS...AND SOUTHEASTERN LEWIS COUNTY IN NORTHEAST
MISSOURI IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM.
LAT...LON 4020 9092 4011 9091 4011 9070 4005 9068
4003 9061 3999 9060 3999 9051 3997 9051
3985 9082 3985 9092 3981 9092 3976 9107
3976 9137 3980 9138 3987 9145 3993 9143
4000 9149 4014 9152 4021 9135
TIME...MOT...LOC 0052Z 245DEG 59KT 4017 9120 4004 9087
3992 9085
$$
ILC001-009-280115-
/O.CON.KLSX.SV.W.0003.000000T0000Z-110228T0115Z/
BROWN IL-ADAMS IL-
652 PM CST SUN FEB 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ADAMS AND
BROWN COUNTIES UNTIL 715 PM CST...
AT 650 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES
NORTHEAST OF MENDON TO CLAYTON TO BUCKHORN...MOVING NORTHEAST AT 70
MPH.
LOCATIONS IMPACTED INCLUDE...
MOUNT STERLING...CHATTON...LA PRAIRIE...RIPLEY AND COOPERTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 4020 9092 4011 9091 4011 9070 4005 9068
4003 9061 3999 9060 3999 9051 3997 9051
3985 9082 3985 9092 3981 9092 3976 9107
3976 9137 3980 9138 3987 9145 3993 9143
4000 9149 4014 9152 4021 9135
TIME...MOT...LOC 0052Z 245DEG 59KT 4017 9120 4004 9087
3992 9085
WIND...HAIL <50MPH 1.00IN
$$
CARNEY865
WWUS53 KLSX 280110
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
710 PM CST SUN FEB 27 2011
ILC001-009-280120-
/O.EXP.KLSX.SV.W.0003.000000T0000Z-110228T0115Z/
BROWN IL-ADAMS IL-
710 PM CST SUN FEB 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR ADAMS AND BROWN COUNTIES WILL
EXPIRE AT 715 PM CST...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM.
LAT...LON 4020 9092 4011 9091 4011 9070 4005 9068
4003 9061 3999 9060 3999 9051 3997 9051
3985 9082 3985 9092 3981 9092 3976 9107
3976 9137 3980 9138 3987 9145 3993 9143
4000 9149 4014 9152 4021 9135
TIME...MOT...LOC 0110Z 245DEG 59KT 4029 9085 4016 9052
4004 9050
$$
CARNEYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 7:38 PM CST | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 37 min |
| Feb 27, 8:02 PM CST | Tornado Warning | LSX | Pike | 28 min |
| Feb 27, 8:14 PM CST | Severe Thunderstorm Warning | LSX | Brown | 16 min |
| Feb 27, 8:25 PM CST | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 35 min |
| Feb 27, 9:50 PM CST | Severe Thunderstorm Warning | LSX | Adams, Pike | 40 min |
| Feb 27, 10:30 PM CST | Severe Thunderstorm Warning | LSX | Pike | 18 min |
| Feb 27, 10:47 PM CST | Tornado Warning | LSX | Monroe, Saint Clair | 43 min |
| Feb 27, 11:18 PM CST | Tornado Warning | LSX | Madison, Monroe, Saint Clair | 42 min |
| Feb 27, 11:43 PM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Madison, Saint Clair, Washington | 47 min |
| Feb 28, 12:07 AM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion, Washington | 38 min |
| Feb 28, 12:23 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 52 min |
| Feb 28, 2:19 AM CST | River Flood Warning | LSX | Jersey | 4 days |
| Feb 28, 6:46 AM CST | River Flood Warning | LSX | Pike | 29 hr |
| Feb 28, 6:46 AM CST | River Flood Warning | LSX | Pike | 38 hr |
| Feb 28, 6:46 AM CST | River Flood Warning | LSX | Calhoun | 52 hr |
| Feb 28, 11:14 AM CST | River Flood Warning | LSX | Morgan, Pike | 17 days |
| Feb 28, 11:43 AM CST | River Flood Warning | LSX | Calhoun | 47 hr |
| Feb 27, 6:57 PM CST | Severe Thunderstorm Warning | LSX | Lewis, Marion | 15 min |
| Feb 27, 8:13 PM CST | Areal Flood Advisory | LSX | Marion | 4 hr |
| Feb 27, 9:54 PM CST | Tornado Warning | LSX | Cole, Gasconade, Osage | 36 min |
| Feb 27, 10:19 PM CST | Tornado Warning | LSX | Franklin, Gasconade, Warren | 41 min |
| Feb 27, 10:25 PM CST | Tornado Warning | LSX | Franklin, Gasconade | 50 min |
| Feb 27, 11:05 PM CST | River Flood Warning | LSX | Marion | 35 hr |
| Feb 27, 11:11 PM CST | River Flood Warning | LSX | Lincoln | 35 hr |
| Feb 27, 11:11 PM CST | River Flood Warning | LSX | Marion | 35 hr |
| Feb 27, 11:11 PM CST | River Flood Warning | LSX | Monroe | 4 days |
| Feb 27, 11:47 PM CST | Severe Thunderstorm Warning | LSX | Crawford | 21 min |
| Feb 28, 12:06 AM CST | Severe Thunderstorm Warning | LSX | Washington | 39 min |
| Feb 28, 12:18 AM CST | Tornado Warning | LSX | Iron, Reynolds | 42 min |
| Feb 28, 12:44 AM CST | Tornado Warning | LSX | Iron, Madison, Sainte Genevieve, Saint Francois | 46 min |
| Feb 28, 10:38 AM CST | River Flood Warning | LSX | Gasconade, Montgomery | 4 days |
Nearby
Severe Thunderstorm Warnings in Illinois, 2011Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning 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.