Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 133, NWS St. Louis, MO

June 27, 2011Adams County, Calhoun County, Pike County, Illinois; 4 counties in Missouri

NWS St. Louis, MO issued this tornado warning at Jun 27, 2011, 1:08 AM CDT for Adams County, Calhoun County, Pike County, Illinois; 4 counties in Missouri. It was in force for 37 min. 9 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
Jun 27, 2011, 1:08 AM CDT (06:08 UTC)
Expired
Jun 27, 2011, 1:45 AM CDT
In force
37 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Adams County, IL, Calhoun County, IL, Pike County, IL, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 106 km from the middle of the area, began a volume at 06:09 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

TimeReportWhereRemark
Jun 27, 1:14 AM CDTTSTM WND DMGMonroe City, MOROOF PARTIALLY BLOWN OFF OF A BUILDING NEAR POTTERFIELD TRUCKING ON U.S. HIGHWAY 24 36 EAST.
Jun 27, 1:25 AM CDTTSTM WND DMGPalmyra, MOSEVERAL LARGE TREES BLOWN DOWN IN TOWN.
Jun 27, 1:27 AM CDTTSTM WND GST 613 Wnw Hannibal, MO
Jun 27, 1:30 AM CDTTSTM WND DMG5 S New London, MOTREES DAMAGED AND UPROOTED. TIME ESTIMATED FROM RADAR.
Jun 27, 1:30 AM CDTTSTM WND DMGBowling Green, MOLARGE TREE DAMAGE REPORTED ALL ACROSS THE NORTHERN HALF OF THE COUNTY
Jun 27, 1:30 AM CDTTSTM WND GST 60Hannibal, MODIME SIZE HAIL...ACROSS THE ROAD FROM THE AIRPORT
Jun 27, 1:33 AM CDTTSTM WND GST 80Payson, IL
Jun 27, 1:35 AM CDTTSTM WND DMGPayson, ILTREES AND TREE LIMBS DOWN...PINE TREE SNAPPED
Jun 27, 1:45 AM CDTTSTM WND GST 80Payson, ILNUMEROUS TREES AND POWER LINES DOWNED.

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.

IssuedProductOfficeLasted
Jun 26, 7:12 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 26, 6:55 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.1 hours before the alert went out and 219 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2011-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 611 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
611 J/kg
Mixed-layer CIN
-178 J/kg
Mixed-layer LCL
767 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

646 
WFUS53 KLSX 270608
TORLSX
ILC001-013-149-MOC127-137-163-173-270645-
/O.NEW.KLSX.TO.W.0133.110627T0608Z-110627T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
108 AM CDT MON JUN 27 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  PIKE COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHERN MARION COUNTY IN NORTHEAST MISSOURI...
  EASTERN MONROE COUNTY IN NORTHEAST MISSOURI...
  NORTHERN PIKE COUNTY IN NORTHEAST MISSOURI...
  RALLS COUNTY IN NORTHEAST MISSOURI...

* UNTIL 145 AM CDT

* AT 104 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
  WARREN TO MONROE CITY TO SANTA FE...AND MOVING EAST AT 70 MPH.
  DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 80 MPH ARE ALSO 
  LIKELY WITH THIS LINE OF STORMS.

* LOCATIONS IMPACTED INCLUDE...
  PALMYRA...HANNIBAL...BOWLING GREEN...LOUISIANA...PITTSFIELD...
  PERRY...RENSSELAER...SPAULDING...CENTER...NEW LONDON...
  SPENCERBURG...FALL CREEK...FRANKFORD...PAYSON...CURRYVILLE...
  BARRY...PIKE...BEVERLY...ATLAS AND PLEASANT HILL.

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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3984 9059 3980 9059 3972 9064 3969 9064
      3963 9060 3956 9058 3928 9073 3933 9172
      3934 9172 3934 9190 3961 9177 3986 9181
TIME...MOT...LOC 0607Z 272DEG 60KT 3977 9166 3961 9164
          3937 9178

$$

TRUETT
2 follow-up statements
563 
WWUS53 KLSX 270625
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
125 AM CDT MON JUN 27 2011

MOC137-270634-
/O.CAN.KLSX.TO.W.0133.000000T0000Z-110627T0645Z/
MONROE MO-
125 AM CDT MON JUN 27 2011

...THE TORNADO WARNING FOR EASTERN MONROE COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA. 

LAT...LON 3984 9059 3969 9064 3956 9058 3928 9073
      3933 9171 3986 9171
TIME...MOT...LOC 0624Z 275DEG 57KT 3981 9141 3932 9142

$$

ILC001-013-149-MOC127-163-173-270645-
/O.CON.KLSX.TO.W.0133.000000T0000Z-110627T0645Z/
PIKE IL-ADAMS IL-CALHOUN IL-MARION MO-PIKE MO-RALLS MO-
125 AM CDT MON JUN 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHERN ADAMS AND PIKE COUNTIES IN WEST
CENTRAL ILLINOIS...AND RALLS...NORTHERN PIKE AND SOUTHEASTERN MARION
COUNTIES IN NORTHEAST MISSOURI UNTIL 145 AM CDT...

AT 120 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 PALMYRA TO VANDALIA...MOVING EAST
AT 65 MPH.  IN ADDITION...DAMAGING STRAIGHT-LINE WINDS IN EXCESS OF 
80 MPH WILL BE POSSIBLE.

LOCATIONS IMPACTED INCLUDE...
  BOWLING GREEN...LOUISIANA...PITTSFIELD...SPENCERBURG...
  CURRYVILLE...FRANKFORD...FALL CREEK...PAYSON...BARRY...PIKE...
  BEVERLY...ATLAS...CLARKSVILLE...PLEASANT HILL...BELLEVIEW...
  GRIGGSVILLE...ILASCO...SAVERTON...SEEHORN AND HULL.

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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3984 9059 3969 9064 3956 9058 3928 9073
      3933 9171 3986 9171
TIME...MOT...LOC 0624Z 275DEG 57KT 3981 9141 3932 9142

$$

TRUETT
491 
WWUS53 KLSX 270641
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
141 AM CDT MON JUN 27 2011

MOC127-270650-
/O.CAN.KLSX.TO.W.0133.000000T0000Z-110627T0645Z/
MARION MO-
141 AM CDT MON JUN 27 2011

...THE TORNADO WARNING FOR SOUTHEASTERN MARION COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA. 

LAT...LON 3984 9059 3969 9064 3956 9058 3928 9073
      3931 9137 3968 9137 3969 9131 3973 9137
      3984 9137
TIME...MOT...LOC 0640Z 275DEG 57KT 3979 9108 3930 9109

$$

ILC001-013-149-MOC163-173-270645-
/O.CON.KLSX.TO.W.0133.000000T0000Z-110627T0645Z/
PIKE IL-ADAMS IL-CALHOUN IL-PIKE MO-RALLS MO-
141 AM CDT MON JUN 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHEASTERN ADAMS AND PIKE COUNTIES IN WEST
CENTRAL ILLINOIS...AND NORTHEASTERN RALLS AND NORTHERN PIKE COUNTIES
IN NORTHEAST MISSOURI UNTIL 145 AM CDT...

AT 136 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 PAYSON TO BOWLING GREEN...MOVING 
EAST AT 65 MPH.  

IN ADDITION...STRAIGHT LINE WINDS IN EXCESS OF 80 MPH CAN BE 
EXPECTED!

LOCATIONS IMPACTED INCLUDE...
  LOUISIANA...PITTSFIELD...BARRY...PIKE...BEVERLY...ATLAS...
  CLARKSVILLE...PLEASANT HILL...BELLEVIEW...GRIGGSVILLE...KINGSTON...
  ROCKPORT...EL DARA...SUMMER HILL...BAYLIS...NEW HARTFORD...
  FISHHOOK...NEW SALEM...MARTINSBURG AND INDEPENDENCE.

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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3984 9059 3969 9064 3956 9058 3928 9073
      3931 9137 3968 9137 3969 9131 3973 9137
      3984 9137
TIME...MOT...LOC 0640Z 275DEG 57KT 3979 9108 3930 9109

$$

TRUETT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 8:34 PM CDTSevere Thunderstorm WarningLSXAdams41 min
Jun 26, 9:09 PM CDTRiver Flood WarningLSXAdams4 days
Jun 26, 9:09 PM CDTRiver Flood WarningLSXAdams5 days
Jun 26, 9:16 PM CDTSevere Thunderstorm WarningLSXAdams, Brown59 min
Jun 26, 9:45 PM CDTRiver Flood WarningLSXClinton9 days
Jun 26, 10:09 PM CDTSevere Thunderstorm WarningLSXBrown36 min
Jun 26, 10:11 PM CDTFlash Flood WarningLSXAdams, Brown11 hr
Jun 27, 12:26 AM CDTSevere Thunderstorm WarningLSXAdams49 min
Jun 27, 1:13 AM CDTSevere Thunderstorm WarningLSXAdams, Brown62 min
Jun 27, 1:27 AM CDTSevere Thunderstorm WarningLSXCalhoun63 min
Jun 27, 1:43 AM CDTTornado WarningLSXAdams, Calhoun, Greene, Pike32 min
Jun 27, 2:04 AM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Macoupin, Madison41 min
Jun 27, 2:09 AM CDTSevere Thunderstorm WarningLSXGreene, Macoupin36 min
Jun 27, 2:42 AM CDTSevere Thunderstorm WarningLSXBond, Jersey, Macoupin, Madison, Monroe, Montgomery and 1 more48 min
Jun 27, 3:01 AM CDTSevere Thunderstorm WarningLSXMonroe, Randolph29 min
Jun 27, 8:25 AM CDTRiver Flood WarningLSXAdams4 days
Jun 27, 8:57 AM CDTAreal Flood WarningLSXAdams, Brown12 hr
Jun 26, 7:18 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Warren14 min
Jun 26, 7:26 PM CDTSevere Thunderstorm WarningLSXCallaway, Gasconade, Montgomery, Osage38 min
Jun 26, 8:28 PM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau65 days
Jun 26, 8:30 PM CDTFlash Flood WarningLSXKnox, Lewis12 hr
Jun 27, 12:11 AM CDTSevere Thunderstorm WarningLSXKnox19 min
Jun 27, 12:52 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway, Monroe, Montgomery, Pike and 1 more53 min
Jun 27, 12:55 AM CDTTornado WarningLSXMarion, Monroe, Ralls, Shelby20 min
Jun 27, 2:17 AM CDTSevere Thunderstorm WarningLSXCallaway, Crawford, Franklin, Gasconade, Jefferson, Montgomery and 5 more43 min
Jun 27, 3:14 AM CDTRiver Flood WarningLSXMarion4 days
Jun 27, 4:18 AM CDTSevere Thunderstorm WarningLSXCole, Moniteau, Osage23 min
Jun 27, 8:22 AM CDTAreal Flood WarningLSXKnox, Lewis12 hr
Jun 27, 3:11 PM CDTRiver Flood WarningLSXFranklin, Warren22 days
Jun 27, 3:11 PM CDTRiver Flood WarningLSXSaint Charles, Saint Louis44 days
Jun 27, 5:19 PM CDTRiver Flood WarningLSXLincoln18 hr

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.