Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 12, NWS Paducah, KY

July 10, 2021New Madrid County, Missouri

NWS Paducah, KY issued this tornado warning at Jul 10, 2021, 9:22 PM CDT for New Madrid County, Missouri. It was in force for 38 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
Jul 10, 2021, 9:22 PM CDT (02:22 UTC)
Expired
Jul 10, 2021, 10:00 PM CDT
In force
38 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County New Madrid County, MO

The radar

The Paducah radar (KPAH), 72 km from the middle of the area, began a volume at 02:24 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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.4 hours before the alert went out and 219 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, Little Rock, AR at 00:00Z on 2021-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1010 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, Little Rock, AR at 00:00Z on 2021-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.1939Sfc1 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
1010 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1462 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

113 
WFUS53 KPAH 110222
TORPAH
MOC143-110300-
/O.NEW.KPAH.TO.W.0012.210711T0222Z-210711T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
922 PM CDT Sat Jul 10 2021

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  Northeastern New Madrid County in southeastern Missouri...

* Until 1000 PM CDT.
    
* At 922 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Matthews, or 7 miles south of Sikeston, moving
  east at 55 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern New Madrid County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3674 8967 3682 8967 3683 8949 3680 8947
      3680 8946 3679 8946 3679 8945 3677 8945
      3676 8943 3675 8943 3673 8940 3672 8940
      3672 8939 3671 8939
TIME...MOT...LOC 0222Z 271DEG 49KT 3678 8961 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PS
2 follow-up statements
213 
WWUS53 KPAH 110231
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
931 PM CDT Sat Jul 10 2021

MOC143-110300-
/O.CON.KPAH.TO.W.0012.000000T0000Z-210711T0300Z/
New Madrid MO-
931 PM CDT Sat Jul 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHEASTERN NEW MADRID COUNTY...
    
At 931 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Matthews, or near Sikeston, moving east at 15 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation. Spotters reported a rotating wall 
         cloud in the area.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Matthews.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3674 8960 3682 8962 3683 8949 3680 8947
      3680 8946 3679 8946 3679 8945 3677 8945
      3676 8943 3675 8943 3673 8940 3672 8940
      3672 8939 3671 8939
TIME...MOT...LOC 0231Z 263DEG 15KT 3678 8959 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PS
219 
WWUS53 KPAH 110253
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
953 PM CDT Sat Jul 10 2021

MOC143-110302-
/O.EXP.KPAH.TO.W.0012.000000T0000Z-210711T0300Z/
New Madrid MO-
953 PM CDT Sat Jul 10 2021

...THE TORNADO WARNING FOR NORTHEASTERN NEW MADRID COUNTY WILL EXPIRE
AT 1000 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3674 8960 3682 8962 3683 8949 3680 8947
      3680 8946 3679 8946 3679 8945 3677 8945
      3676 8943 3675 8943 3673 8940 3672 8940
      3672 8939 3671 8939
TIME...MOT...LOC 0252Z 271DEG 49KT 3677 8924 

$$

PS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:53 PM CDTSevere Thunderstorm WarningPAHStoddard52 min
Jul 10, 8:16 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Scott44 min
Jul 10, 8:23 PM CDTTornado WarningPAHStoddard52 min
Jul 10, 8:58 PM CDTSevere Thunderstorm WarningPAHNew Madrid47 min
Jul 10, 9:30 PM CDTSevere Thunderstorm WarningPAHCarter, Ripley45 min
Jul 10, 10:09 PM CDTSpecial Weather StatementPAHButler, Ripley51 min
Jul 10, 10:29 PM CDTFlash Flood WarningPAHBollinger, Cape Girardeau6 hr
Jul 10, 11:02 PM CDTFlash Flood WarningPAHScott5 hr
Jul 10, 11:24 PM CDTSpecial Weather StatementPAHMississippi51 min

Nearby

Tornado Warnings in Missouri, 2021Every tornado warning in 2021Tornadoes in 2021

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.