Alert archive / Missouri / Tornado Warnings in 2011
Tornado Warning 123, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 18, 2011, 5:07 AM CDT for Lincoln County, Montgomery County, Pike County, Missouri. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2011, 5:07 AM CDT (10:07 UTC)
- Expired
- Jun 18, 2011, 5:45 AM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Lincoln County, MO, Montgomery County, MO, Pike County, MO
The radar
The St Louis radar (KLSX), 61 km from the middle of the area, began a volume at 10:06 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 10.1 hours before the alert went out and 236 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
- 601 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 644 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
923
WFUS53 KLSX 181007
TORLSX
MOC113-139-163-181045-
/O.NEW.KLSX.TO.W.0123.110618T1007Z-110618T1045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
507 AM CDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
SOUTHERN PIKE COUNTY IN NORTHEAST MISSOURI...
* UNTIL 545 AM CDT
* AT 502 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED
TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.
THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
CURRYVILLE TO 5 MILES WEST OF HAWK POINT...AND MOVING EAST AT 45
MPH.
* LOCATIONS IMPACTED INCLUDE...
ELSBERRY...DAVIS...EOLIA...ASHLEY...ST. CLEMENT...SILEX...CYRENE...
EDGEWOOD...WHITESIDE...NEW HOPE...PAYNESVILLE AND ANNADA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT.
TAKE COVER NOW.
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 3932 9082 3910 9076 3899 9120 3899 9126
3932 9140
TIME...MOT...LOC 1007Z 264DEG 37KT 3931 9130 3899 9117
$$
CVKING2 follow-up statements
653 WWUS53 KLSX 181013 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 513 AM CDT SAT JUN 18 2011 MOC139-181022- /O.CAN.KLSX.TO.W.0123.000000T0000Z-110618T1045Z/ MONTGOMERY MO- 513 AM CDT SAT JUN 18 2011 ...THE TORNADO WARNING FOR MONTGOMERY COUNTY IS CANCELLED... THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED EAST OF THE WARNED AREA. LAT...LON 3932 9132 3932 9082 3910 9076 3899 9119 TIME...MOT...LOC 1012Z 264DEG 37KT 3931 9126 3901 9112 $$ MOC113-163-181045- /O.CON.KLSX.TO.W.0123.000000T0000Z-110618T1045Z/ LINCOLN MO-PIKE MO- 513 AM CDT SAT JUN 18 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...AND SOUTHERN PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 545 AM CDT... AT 511 AM CDT...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 CURRYVILLE TO HAWK POINT...MOVING EAST AT 45 MPH. LOCATIONS IMPACTED INCLUDE... ELSBERRY...DAVIS...EOLIA...ST. CLEMENT...SILEX...CYRENE... EDGEWOOD...WHITESIDE...NEW HOPE...PAYNESVILLE AND ANNADA. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. 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 3932 9132 3932 9082 3910 9076 3899 9119 TIME...MOT...LOC 1012Z 264DEG 37KT 3931 9126 3901 9112 $$ CVKING
847 WWUS53 KLSX 181018 RRA SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 518 AM CDT SAT JUN 18 2011 MOC113-163-181045- /O.CON.KLSX.TO.W.0123.000000T0000Z-110618T1045Z/ LINCOLN MO-PIKE MO- 518 AM CDT SAT JUN 18 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...AND CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 545 AM CDT... AT 515 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS AND BRIEF RAIN-WRAPPED TORNADOES. THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM BOWLING GREEN TO HAWK POINT... MOVING EAST AT 45 MPH. LOCATIONS IMPACTED INCLUDE... ELSBERRY...DAVIS...EOLIA...SILEX...CYRENE...EDGEWOOD...WHITESIDE... NEW HOPE...PAYNESVILLE AND ANNADA. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 3932 9123 3932 9082 3910 9076 3901 9110 TIME...MOT...LOC 1018Z 264DEG 37KT 3932 9118 3902 9104 $$ CVKING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 3:12 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau, Osage | 63 min |
| Jun 18, 4:00 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Cole, Gasconade, Montgomery, Osage | 45 min |
| Jun 18, 4:30 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Franklin, Gasconade, Lincoln, Montgomery and 4 more | 60 min |
| Jun 18, 4:56 AM CDT | Tornado Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 49 min |
| Jun 18, 5:10 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Pike, Ralls | 65 min |
| Jun 18, 5:18 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Lincoln, Pike, Saint Charles, Saint Louis and 2 more | 57 min |
| Jun 18, 5:30 AM CDT | Tornado Warning | LSX | Lincoln, Pike, Saint Charles | 19 min |
| Jun 18, 5:50 AM CDT | Areal Flood Advisory | LSX | Saint Charles, Saint Louis, City of Saint Louis | 3 hr |
| Jun 18, 6:09 AM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 51 min |
| Jun 18, 7:28 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 16 min |
| Jun 18, 3:57 PM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 17 more | 15 hr |
Nearby
Tornado Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.