Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 59, NWS Paducah, KY

April 22, 2011Carter County, Missouri

NWS Paducah, KY issued this tornado warning at Apr 22, 2011, 7:23 PM CDT for Carter County, Missouri. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 22, 2011, 7:23 PM CDT (00:23 UTC)
Expired
Apr 22, 2011, 8:00 PM CDT
In force
37 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

County Carter County, MO

The radar

The St Louis radar (KLSX), 190 km from the middle of the area, began a volume at 00:25 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 22, 5:49 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.4 hours before the alert went out and 251 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 2011-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2835 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 2011-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
2835 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
4.7
Supercell composite
18.1

Open this sounding in Storm Lab

The text

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

294 
WFUS53 KPAH 230023
TORPAH
MOC035-230100-
/O.NEW.KPAH.TO.W.0059.110423T0023Z-110423T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
723 PM CDT FRI APR 22 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  CARTER COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 800 PM CDT.

* AT 718 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES      
  WEST OF FREMONT...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  FREMONT...
  VAN BUREN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NOW IS THE TIME TO IMPLEMENT YOUR TORNADO PLAN OF ACTION. SEEK
SHELTER INDOORS IN A BASEMENT...OR IN AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A HOME OR BUILDING.

&&

LAT...LON 3709 9122 3711 9097 3706 9096 3706 9079
      3705 9074 3700 9074 3699 9072 3696 9072
      3682 9122 3683 9123 3702 9124
TIME...MOT...LOC 0022Z 247DEG 39KT 3696 9133

$$
2 follow-up statements
548 
WWUS53 KPAH 230049
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
749 PM CDT FRI APR 22 2011

MOC035-230100-
/O.CON.KPAH.TO.W.0059.000000T0000Z-110423T0100Z/
CARTER MO-
749 PM CDT FRI APR 22 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR CARTER
COUNTY IN SOUTHEAST MISSOURI...

AT 746 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM WAS
LOCATED 2 MILES EAST OF FREMONT...MOVING NORTHEAST AT 40 MPH.


LAT...LON 3709 9122 3711 9097 3706 9096 3706 9079
      3705 9074 3700 9074 3699 9072 3696 9072
      3682 9122 3683 9123 3702 9124
TIME...MOT...LOC 0048Z 247DEG 39KT 3707 9100

$$
962 
WWUS53 KPAH 230055
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
755 PM CDT FRI APR 22 2011

MOC035-230105-
/O.EXP.KPAH.TO.W.0059.000000T0000Z-110423T0100Z/
CARTER MO-
755 PM CDT FRI APR 22 2011

...THE TORNADO WARNING FOR CARTER COUNTY IN SOUTHEAST MISSOURI WILL
EXPIRE AT 800 PM CDT...

LAT...LON 3709 9122 3711 9097 3706 9096 3706 9079
      3705 9074 3700 9074 3699 9072 3696 9072
      3682 9122 3683 9123 3702 9124
TIME...MOT...LOC 0055Z 247DEG 39KT 3710 9091

$$

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 22, 7:54 PM CDTSevere Thunderstorm WarningPAHButler, Carter, Wayne28 min
Apr 22, 7:57 PM CDTFlash Flood WarningPAHBollinger, Carter, Wayne3 hr
Apr 22, 8:14 PM CDTTornado WarningPAHBollinger, Stoddard, Wayne35 min
Apr 22, 8:30 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Scott, Stoddard45 min
Apr 22, 8:39 PM CDTTornado WarningPAHBollinger, Cape Girardeau, Scott, Stoddard51 min
Apr 22, 9:07 PM CDTSevere Thunderstorm WarningPAHBollinger, Butler, Carter, Ripley, Stoddard, Wayne38 min
Apr 22, 9:17 PM CDTSevere Thunderstorm WarningPAHMississippi, Scott43 min
Apr 22, 9:19 PM CDTFlash Flood WarningPAHBollinger, Butler, Cape Girardeau, Mississippi, New Madrid, Scott and 1 more3 hr
Apr 22, 9:29 PM CDTTornado WarningPAHButler, Stoddard, Wayne30 min
Apr 23, 12:17 AM CDTFlash Flood WarningPAHPerry6 hr
Apr 23, 12:55 AM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry50 min
Apr 23, 2:02 AM CDTAreal Flood AdvisoryPAHBollinger, Cape Girardeau, Wayne3 hr
Apr 23, 9:29 AM CDTRiver Flood WarningPAHRipley7 days
Apr 23, 9:30 AM CDTRiver Flood WarningPAHButler7 days
Apr 23, 9:31 AM CDTRiver Flood WarningPAHWayne28 days
Apr 23, 12:56 PM CDTAreal Flood AdvisoryPAHBollinger, Butler, Stoddard, Wayne3 hr
Apr 23, 1:42 PM CDTAreal Flood AdvisoryPAHCape Girardeau, Mississippi, New Madrid, Scott3 hr
Apr 23, 2:27 PM CDTSevere Thunderstorm WarningPAHMississippi6 min
Apr 23, 5:13 PM CDTAreal Flood AdvisoryPAHBollinger, Butler, Cape Girardeau, Mississippi, New Madrid, Scott and 2 more4 hr

Nearby

Tornado Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.