Alert archive / Missouri / Tornado Warnings in 2010

Tornado Warning 80, NWS St. Louis, MO

December 31, 2010Crawford County, Franklin County, Washington County, Missouri

NWS St. Louis, MO issued this tornado warning at Dec 31, 2010, 10:13 AM CST for Crawford County, Franklin County, Washington County, Missouri. It was in force for 62 min. 5 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
Dec 31, 2010, 10:13 AM CST (16:13 UTC)
Expired
Dec 31, 2010, 11:15 AM CST
In force
62 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), 100 km from the middle of the area, began a volume at 16:13 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
Dec 31, 10:40 AM CSTHAIL 1Cuba, MOMINOR ROOF DAMAGE OBSERVED TO SUPER 8 MOTEL IN TOWN
Dec 31, 10:42 AM CSTHAIL 0.255 Wsw Steelville, MO
Dec 31, 10:55 AM CSTHAIL 0.7Bourbon, MO
Dec 31, 10:55 AM CSTHAIL 0.75Steelville, MOESTIMATED 60MPH WINDS
Dec 31, 11:05 AM CSTTSTM WND GST 611 Nne Sullivan, 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
Dec 31, 7:29 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.2 hours before the alert went out and 247 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 12:00Z on 2010-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 764 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 12:00Z on 2010-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 535 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
764 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
535 m²/s²
0-3 km storm-relative helicity
546 m²/s²
Significant tornado parameter
2.9
Supercell composite
10.7

Open this sounding in Storm Lab

The text

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

846 
WFUS53 KLSX 311613
TORLSX
MOC055-071-221-311715-
/O.NEW.KLSX.TO.W.0080.101231T1613Z-101231T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1013 AM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 1115 AM CST

* AT 1009 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 14 MILES SOUTHEAST OF NEWBURG...OR 15 MILES
  NORTHWEST OF SALEM...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STEELVILLE...CUBA...BOURBON...ANTHONIES MILL...SULLIVAN...
  LEASBURG...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.

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

&&

LAT...LON 3779 9154 3801 9154 3833 9109 3808 9078
      3778 9154
TIME...MOT...LOC 1614Z 231DEG 48KT 3777 9172

$$

CVKING
2 follow-up statements
119 
WWUS53 KLSX 311625
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 AM CST FRI DEC 31 2010

MOC055-071-221-311715-
/O.CON.KLSX.TO.W.0080.000000T0000Z-101231T1715Z/
WASHINGTON MO-CRAWFORD MO-FRANKLIN MO-
1025 AM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL FRANKLIN...
CRAWFORD AND NORTHWESTERN WASHINGTON COUNTIES UNTIL 1115 AM CST...

AT 1022 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM WITH VERY STRONG ROTATION THAT IS VERY CAPABLE 
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 9 MILES 
SOUTHEAST OF ROLLA...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  STEELVILLE...CUBA...BOURBON...ANTHONIES MILL...SULLIVAN...
  LEASBURG...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.

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

&&

LAT...LON 3779 9154 3801 9154 3833 9109 3808 9078
      3778 9154
TIME...MOT...LOC 1625Z 222DEG 48KT 3789 9162

$$

CVKING
723 
WWUS53 KLSX 311642
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1042 AM CST FRI DEC 31 2010

MOC055-071-221-311715-
/O.CON.KLSX.TO.W.0080.000000T0000Z-101231T1715Z/
WASHINGTON MO-CRAWFORD MO-FRANKLIN MO-
1042 AM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL FRANKLIN...
CRAWFORD AND NORTHWESTERN WASHINGTON COUNTIES UNTIL 1115 AM CST...

AT 1039 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CUBA...MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  BOURBON...ANTHONIES MILL...SULLIVAN...LEASBURG...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.

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

&&

LAT...LON 3778 9154 3779 9153 3802 9153 3833 9109
      3808 9078
TIME...MOT...LOC 1642Z 226DEG 53KT 3805 9140

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 31, 2:26 AM CSTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade, Osage49 min
Dec 31, 3:05 AM CSTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade40 min
Dec 31, 9:41 AM CSTSevere Thunderstorm WarningLSXCallaway34 min
Dec 31, 10:08 AM CSTTornado WarningLSXAudrain, Callaway, Montgomery, Pike37 min
Dec 31, 10:11 AM CSTTornado WarningLSXCrawford, Franklin, Gasconade64 min
Dec 31, 10:22 AM CSTTornado WarningLSXPike38 min
Dec 31, 10:47 AM CSTTornado WarningLSXMontgomery, Pike13 min
Dec 31, 10:56 AM CSTTornado WarningLSXCrawford, Franklin, Jefferson, Saint Charles, Saint Louis, Warren and 1 more64 min
Dec 31, 11:00 AM CSTTornado WarningLSXLincoln, Pike60 min
Dec 31, 11:15 AM CSTTornado WarningLSXLincoln, Montgomery, Pike45 min
Dec 31, 11:22 AM CSTTornado WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, Washington, City of Saint Louis53 min
Dec 31, 11:59 AM CSTTornado WarningLSXSaint Charles, Saint Louis, City of Saint Louis61 min
Dec 31, 12:29 PM CSTTornado WarningLSXJefferson, Sainte Genevieve, Saint Francois31 min
Dec 31, 12:57 PM CSTTornado WarningLSXSainte Genevieve48 min
Dec 31, 1:11 PM CSTTornado WarningLSXIron, Madison, Reynolds, Sainte Genevieve, Saint Francois49 min
Dec 31, 1:44 PM CSTTornado WarningLSXSainte Genevieve61 min
Dec 31, 2:00 PM CSTTornado WarningLSXMadison, Sainte Genevieve, Saint Francois60 min

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.