Alert archive / Missouri / Tornado Warnings in 2010

Tornado Warning 53, NWS St. Louis, MO

July 11, 2010Crawford County, Iron County, Reynolds County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 11, 2010, 4:57 PM CDT for Crawford County, Iron County, Reynolds County, Missouri. It was in force for 48 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
Jul 11, 2010, 4:57 PM CDT (21:57 UTC)
Expired
Jul 11, 2010, 5:45 PM CDT
In force
48 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Crawford County, MO, Iron County, MO, Reynolds County, MO

The radar

The St Louis radar (KLSX), 135 km from the middle of the area, began a volume at 21:58 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
Jul 11, 5:25 PM CDTTSTM WND GST 40Centerville, MOREYNOLDS COUNTY SHERIFFF REPORTED ESTIMATED 35 TO 40 MPH WIND GUSTS.

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
Jul 11, 3:37 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.0 hours before the alert went out and 243 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 2010-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1329 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 2010-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1329 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

352 
WFUS53 KLSX 112157
TORLSX
MOC055-093-179-112245-
/O.NEW.KLSX.TO.W.0053.100711T2157Z-100711T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
457 PM CDT SUN JUL 11 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTH CENTRAL CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
  IRON COUNTY IN SOUTHEAST MISSOURI...
  NORTHERN REYNOLDS COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 545 PM CDT

* AT 454 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES NORTH OF BUNKER...OR 18 MILES EAST OF
  SALEM...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BIXBY...BUNKER...OATES...REYNOLDS...CORRIDON...BLACK...
  CENTERVILLE...LESTERVILLE AND REDFORD.

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.

&&

LAT...LON 3743 9123 3750 9123 3750 9130 3751 9132
      3759 9133 3760 9132 3760 9117 3769 9117
      3770 9129 3775 9128 3760 9078 3725 9074
TIME...MOT...LOC 2156Z 296DEG 24KT 3756 9120

$$

TRUETT
3 follow-up statements
387 
WWUS53 KLSX 112219
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
519 PM CDT SUN JUL 11 2010

MOC055-112228-
/O.CAN.KLSX.TO.W.0053.000000T0000Z-100711T2245Z/
CRAWFORD MO-
519 PM CDT SUN JUL 11 2010

...THE TORNADO WARNING FOR EXTREME SOUTH CENTRAL CRAWFORD COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3743 9123 3760 9117 3769 9117 3771 9115
      3760 9078 3725 9074
TIME...MOT...LOC 2218Z 295DEG 27KT 3749 9102

$$

MOC093-179-112245-
/O.CON.KLSX.TO.W.0053.000000T0000Z-100711T2245Z/
REYNOLDS MO-IRON MO-
519 PM CDT SUN JUL 11 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR IRON AND NORTHERN REYNOLDS
COUNTIES UNTIL 545 PM CDT...

AT 515 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR OATES...OR 23 MILES WEST OF IRONTON...MOVING 
SOUTHEAST AT 30 MPH.  LARGE HAIL...OVER AN INCH IN DIAMETER...IS 
ALSO LIKELY WITH THIS STORM.   

LOCATIONS IMPACTED INCLUDE...
  BLACK...CENTERVILLE...LESTERVILLE AND REDFORD.

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 3743 9123 3760 9117 3769 9117 3771 9115
      3760 9078 3725 9074
TIME...MOT...LOC 2218Z 295DEG 27KT 3749 9102

$$

TRUETT
205 
WWUS53 KLSX 112237
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
537 PM CDT SUN JUL 11 2010

MOC093-179-112245-
/O.CON.KLSX.TO.W.0053.000000T0000Z-100711T2245Z/
REYNOLDS MO-IRON MO-
537 PM CDT SUN JUL 11 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN IRON AND 
NORTHERN REYNOLDS COUNTIES UNTIL 545 PM CDT...

AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  A NEW 
CIRCULATION CENTER HAS NOW DEVELOPED NEAR REDFORD...AND IS MOVING 
SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  LESTERVILLE AND REDFORD.

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 3743 9123 3752 9106 3760 9078 3725 9074
TIME...MOT...LOC 2236Z 295DEG 27KT 3743 9087

$$

TRUETT
426 
WWUS53 KLSX 112246
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
546 PM CDT SUN JUL 11 2010

MOC093-179-112257-
/O.EXP.KLSX.TO.W.0053.000000T0000Z-100711T2245Z/
REYNOLDS MO-IRON MO-
546 PM CDT SUN JUL 11 2010

...THE TORNADO WARNING FOR IRON AND NORTHERN REYNOLDS COUNTIES HAS
EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 PM.

LAT...LON 3743 9123 3752 9106 3760 9078 3725 9074
TIME...MOT...LOC 2237Z 295DEG 27KT 3743 9086

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 4:23 PM CDTTornado WarningLSXCrawford42 min
Jul 11, 6:03 PM CDTSevere Thunderstorm WarningLSXIron, Madison27 min
Jul 11, 6:49 PM CDTAreal Flood AdvisoryLSXIron, Madison, Saint Francois6 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.