Alert archive / Missouri / Tornado Warnings in 2010

Tornado Warning 72, NWS St. Louis, MO

November 24, 2010Crawford County, Franklin County, Washington County, Missouri

NWS St. Louis, MO issued this tornado warning at Nov 24, 2010, 9:39 PM CST for Crawford County, Franklin County, Washington County, Missouri. It was in force for 51 min. 1 report 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
Nov 24, 2010, 9:39 PM CST (03:39 UTC)
Expired
Nov 24, 2010, 10:30 PM CST
In force
51 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Crawford County, MO, Franklin County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 85 km from the middle of the area, began a volume at 03:40 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
Nov 24, 9:53 PM CSTHAIL 13 Sse Cuba, 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.

IssuedProductOfficeLasted
Nov 24, 8:23 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.7 hours before the alert went out and 257 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, Springfield, MO at 00:00Z on 2010-11-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 542 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2010-11-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 419 square meters per square second.1939587897117Sfc1 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
542 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
419 m²/s²
0-3 km storm-relative helicity
460 m²/s²
Significant tornado parameter
1.7
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

941 
WFUS53 KLSX 250339
TORLSX
MOC055-071-221-250430-
/O.NEW.KLSX.TO.W.0072.101125T0339Z-101125T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
939 PM CST WED NOV 24 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHWESTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 1030 PM CST

* AT 936 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ST. JAMES...OR 9 MILES WEST OF CUBA...AND
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STEELVILLE...CUBA...BOURBON...SULLIVAN...ANTHONIES MILL...ST.
  CLAIR...LEASBURG...PARKWAY...ST. CLOUD AND STANTON.

  THIS STORM WILL ALSO IMPACT INTERSTATE 44 BETWEEEN EXITS 203 AND
  225.

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.

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 3813 9154 3814 9153 3838 9098 3807 9084
      3791 9154
TIME...MOT...LOC 0338Z 247DEG 43KT 3803 9153

$$

TRUETT
2 follow-up statements
179 
WWUS53 KLSX 250400
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 PM CST WED NOV 24 2010

MOC055-071-221-250430-
/O.CON.KLSX.TO.W.0072.000000T0000Z-101125T0430Z/
WASHINGTON MO-CRAWFORD MO-FRANKLIN MO-
1000 PM CST WED NOV 24 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN FRANKLIN...
NORTHERN CRAWFORD AND NORTHWESTERN WASHINGTON COUNTIES UNTIL 1030 PM
CST...

AT 957 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING A 
VERY STRONG SIGNATURE OF A TORNADO.  THIS DANGEROUS STORM WAS 
LOCATED NEAR LEASBURG...OR 6 MILES EAST OF CUBA...MOVING EAST AT 50 
MPH.

LOCATIONS IMPACTED INCLUDE...
  BOURBON...SULLIVAN...ANTHONIES MILL...ST. CLAIR...PARKWAY...ST.
  CLOUD AND STANTON.

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.

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.

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

&&

LAT...LON 3813 9154 3814 9153 3838 9098 3807 9084
      3791 9154
TIME...MOT...LOC 0358Z 260DEG 42KT 3806 9127

$$

TRUETT
595 
WWUS53 KLSX 250413
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1013 PM CST WED NOV 24 2010

MOC055-071-221-250430-
/O.CON.KLSX.TO.W.0072.000000T0000Z-101125T0430Z/
WASHINGTON MO-CRAWFORD MO-FRANKLIN MO-
1013 PM CST WED NOV 24 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN 
FRANKLIN...NORTHEASTERN CRAWFORD AND NORTHWESTERN WASHINGTON 
COUNTIES UNTIL 1030 PM CST...

AT 1010 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  
THIS DANGEROUS STORM WAS LOCATED NEAR ANTHONIES MILL...MOVING 
NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHWESTERN WASHINGTON AND SOUTHERN FRANKLIN
  COUNTIES.

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.

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.

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

&&

LAT...LON 3803 9123 3820 9120 3830 9095 3809 9085
TIME...MOT...LOC 0412Z 244DEG 41KT 3814 9110

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 24, 7:26 PM CSTSevere Thunderstorm WarningLSXFranklin, Gasconade, Osage34 min
Nov 24, 9:06 PM CSTSevere Thunderstorm WarningLSXSaint Louis24 min
Nov 24, 9:26 PM CSTAreal Flood AdvisoryLSXCrawford, Franklin, Gasconade, Jefferson, Osage, Saint Charles and 4 more6 hr
Nov 24, 10:25 PM CSTTornado WarningLSXCrawford, Washington50 min
Nov 24, 10:31 PM CSTTornado WarningLSXFranklin, Jefferson, Washington44 min
Nov 24, 11:03 PM CSTTornado WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington42 min
Nov 24, 11:46 PM CSTTornado WarningLSXSainte Genevieve, Saint Francois44 min
Nov 25, 3:31 AM CSTAreal Flood AdvisoryLSXCrawford, Franklin, Gasconade, Jefferson, Osage, Saint Charles and 4 more6 hr
Nov 25, 2:45 PM CSTRiver Flood WarningLSXOsage5 hr

Nearby

Tornado Warnings in Missouri, 2010Every tornado warning in 2010Tornadoes in 2010

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.