Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 127, NWS St. Louis, MO

June 19, 2011Monroe County, Randolph County, Illinois; Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 19, 2011, 2:56 AM CDT for Monroe County, Randolph County, Illinois; Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 34 min. 2 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 19, 2011, 2:56 AM CDT (07:56 UTC)
Expired
Jun 19, 2011, 3:30 AM CDT
In force
34 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Monroe County, IL, Randolph County, IL, Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 07:56 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 19, 2:58 AM CDTFUNNEL CLOUD3 Nw St. Mary, MOFIREFIGHTER REPORTED A FUNNEL CLOUD NEAR SR J AND HWY 61. COUNTY SHERIFF OFFICE RELAYED THE REPORT. TIME ESTIMATED FROM RADAR.
Jun 19, 3:00 AM CDTTSTM WND DMGSte. Genevieve, MOPOWER LINES DOWN ACROSS THE COUNTY

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 18, 8:26 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 7.9 hours before the alert went out and 276 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 2011-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 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 2011-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.19395878Sfc1 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
115 J/kg
Mixed-layer CIN
-294 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
76 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.

784 
WFUS53 KLSX 190756
TORLSX
ILC133-157-MOC099-186-187-190830-
/O.NEW.KLSX.TO.W.0127.110619T0756Z-110619T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
256 AM CDT SUN JUN 19 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL MONROE COUNTY IN SOUTHWEST ILLINOIS...
  RANDOLPH COUNTY IN SOUTHWEST ILLINOIS...
  EXTREME SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI...
  ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 330 AM CDT

* AT 252 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 6
  MILES SOUTHEAST OF CRYSTAL CITY TO KNOB LICK...AND MOVING EAST AT
  65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STE. GENEVIEVE...CHESTER...ROCKY RIDGE...BLOOMSDALE...WEINGARTEN...
  COFFMAN...WOMAC...ST. MARY...EVANSVILLE...BREMEN...STEELEVILLE...
  PERCY...KIDD...RIVER AUX VASES...PRAIRIE DU ROCHER...KELLOGG...
  MINNITH...MODOC...RUMA AND ROOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

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

&&

LAT...LON 3815 9038 3814 8958 3795 8959 3781 8967
      3780 8969 3784 8974 3785 8979 3788 8980
      3790 8985 3787 8990 3787 8994 3782 8999
      3764 9014 3765 9042
TIME...MOT...LOC 0755Z 266DEG 54KT 3815 9027 3765 9028

$$

TRUETT
2 follow-up statements
233 
WWUS53 KLSX 190817
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
317 AM CDT SUN JUN 19 2011

ILC133-157-MOC099-186-187-190830-
/O.CON.KLSX.TO.W.0127.000000T0000Z-110619T0830Z/
MONROE IL-RANDOLPH IL-JEFFERSON MO-STE. GENEVIEVE MO-ST. FRANCOIS MO-
317 AM CDT SUN JUN 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR ST. FRANCOIS...STE.
GENEVIEVE...EXTREME SOUTHEASTERN JEFFERSON...RANDOLPH AND SOUTH
CENTRAL MONROE COUNTIES UNTIL 330 AM CDT...

AT 309 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 SPARTA TO ST MARY...MOVING EAST 
AT 60 MPH.

IN ADDITION TO THE TORNADO THREAT WITH THIS LINE OVER EASTERN 
RANDOLPH COUNTY...DAMAGING STRAIGHT LINE WINDS APPEAR LIKELY BEHIND 
THE LINE FROM EASTERN ST FRANCOIS AND STE GENEVIEVE COUNTIES INTO 
WESTERN RANDOLPH COUNTIES.   

LOCATIONS IMPACTED INCLUDE...
  STEELEVILLE...PERCY...WELGE AND ROCKWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

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

&&

LAT...LON 3815 9038 3814 8958 3795 8959 3781 8967
      3780 8969 3784 8974 3785 8979 3788 8980
      3790 8985 3787 8990 3787 8994 3782 8999
      3764 9014 3765 9042
TIME...MOT...LOC 0813Z 266DEG 54KT 3810 8964 3768 9004

$$

TRUETT
231 
WWUS53 KLSX 190837
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
337 AM CDT SUN JUN 19 2011

ILC133-157-MOC099-186-187-190846-
/O.EXP.KLSX.TO.W.0127.000000T0000Z-110619T0830Z/
MONROE IL-RANDOLPH IL-JEFFERSON MO-STE. GENEVIEVE MO-ST. FRANCOIS MO-
337 AM CDT SUN JUN 19 2011

...THE TORNADO WARNING FOR ST. FRANCOIS...STE. GENEVIEVE...EXTREME
SOUTHEASTERN JEFFERSON...RANDOLPH AND SOUTH CENTRAL MONROE COUNTIES
HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING ARE MOVING OUT OF THE 
WARNED AREA.  HOWEVER...WIND GUSTS OF 30 TO 50 MPH WILL STILL BE 
POSSIBLE BEHIND THIS LINE THROUGH 350 AM OVER STE GENEVIEVE AND 
RANDOLPH COUNTIES. 

LAT...LON 3815 9038 3814 8958 3795 8959 3781 8967
      3780 8969 3784 8974 3785 8979 3788 8980
      3790 8985 3787 8990 3787 8994 3782 8999
      3764 9014 3765 9042
TIME...MOT...LOC 0817Z 266DEG 54KT 3810 8956 3768 8996

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 11:55 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike50 min
Jun 19, 1:59 AM CDTSevere Thunderstorm WarningLSXMonroe, Randolph46 min
Jun 19, 2:07 AM CDTSevere Thunderstorm WarningLSXAdams33 min
Jun 19, 2:25 AM CDTSevere Thunderstorm WarningLSXMonroe, Randolph50 min
Jun 19, 2:36 AM CDTSevere Thunderstorm WarningLSXClinton, Monroe, Randolph, Saint Clair, Washington39 min
Jun 19, 3:07 AM CDTSevere Thunderstorm WarningLSXClinton, Monroe, Randolph, Saint Clair, Washington38 min
Jun 19, 3:32 AM CDTFlash Flood WarningLSXBond6 hr
Jun 19, 4:02 AM CDTFlash Flood WarningLSXFayette6 hr
Jun 19, 9:25 AM CDTAreal Flood WarningLSXBond13 hr
Jun 19, 9:55 AM CDTAreal Flood WarningLSXFayette6 hr
Jun 18, 8:26 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Moniteau49 min
Jun 18, 9:09 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole66 min
Jun 18, 9:29 PM CDTSevere Thunderstorm WarningLSXCole, Osage46 min
Jun 18, 9:56 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway37 min
Jun 18, 10:11 PM CDTSevere Thunderstorm WarningLSXOsage37 min
Jun 18, 10:23 PM CDTSevere Thunderstorm WarningLSXCole, Osage25 min
Jun 18, 10:36 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Moniteau39 min
Jun 18, 10:53 PM CDTFlash Flood WarningLSXCole, Osage8 hr
Jun 18, 10:54 PM CDTSevere Thunderstorm WarningLSXAudrain, Montgomery, Pike36 min
Jun 18, 10:59 PM CDTSevere Thunderstorm WarningLSXGasconade, Osage46 min
Jun 18, 11:20 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike40 min
Jun 18, 11:29 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Warren32 min
Jun 19, 12:13 AM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade47 min
Jun 19, 12:52 AM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Warren53 min
Jun 19, 1:08 AM CDTSevere Thunderstorm WarningLSXFranklin32 min
Jun 19, 1:51 AM CDTSevere Thunderstorm WarningLSXCrawford, Iron, Reynolds, Washington39 min
Jun 19, 2:28 AM CDTTornado WarningLSXIron, Sainte Genevieve, Saint Francois, Washington47 min
Jun 19, 2:39 AM CDTSevere Thunderstorm WarningLSXIron, Madison, Reynolds36 min
Jun 19, 3:00 AM CDTSevere Thunderstorm WarningLSXIron, Madison, Reynolds60 min
Jun 19, 10:10 AM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau11 hr
Jun 19, 10:10 AM CDTRiver Flood WarningLSXSaint Charles, Saint Louis11 hr
Jun 19, 2:48 PM CDTRiver Flood WarningLSXLewis68 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.