Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 31, NWS Paducah, KY

December 10, 2021New Madrid County, Missouri

NWS Paducah, KY issued this tornado warning at Dec 10, 2021, 8:10 PM CST for New Madrid County, Missouri. It was in force for 23 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: Dec 10, 2021, 8:10 PM CST (02:10 UTC)
Expired: Dec 10, 2021, 8:33 PM CST
In force: 23 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 1.0 in

County New Madrid County, MO

The radar

The Paducah radar (KPAH), 104 km from the middle of the area, began a volume at 02:11 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.

Issued	Product	Office	Lasted
Dec 10, 3:07 PM CST	Tornado Watch	SPC	11 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.2 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1725 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 759 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 398 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 4.8
Supercell composite: 16.2

Open this sounding in Storm Lab

The text

As transmitted.

410 
WFUS53 KPAH 110210
TORPAH
MOC143-110245-
/O.NEW.KPAH.TO.W.0031.211211T0210Z-211211T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
810 PM CST Fri Dec 10 2021

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  South central New Madrid County in southeastern Missouri...

* Until 845 PM CST.

* At 809 PM CST, a confirmed large and extremely dangerous tornado
  was located over Hayti, moving northeast at 50 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Law enforcement confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3634 8955 3637 8957 3639 8959 3640 8959
      3642 8954 3638 8951 3635 8952 3634 8954
TIME...MOT...LOC 0209Z 238DEG 43KT 3621 8974 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN

$$

PS

1 follow-up statement

904 
WWUS53 KPAH 110233
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
833 PM CST Fri Dec 10 2021

MOC143-110243-
/O.CAN.KPAH.TO.W.0031.000000T0000Z-211211T0245Z/
New Madrid MO-
833 PM CST Fri Dec 10 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL NEW MADRID COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CST for southeastern
Missouri.

LAT...LON 3634 8955 3637 8957 3639 8959 3640 8959
      3642 8954 3638 8951 3635 8952 3634 8954
TIME...MOT...LOC 0231Z 238DEG 43KT 3636 8944 

$$

PS

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 8:29 PM CST	Tornado Warning Tornado observedConsiderable damage threat	PAH	Mississippi	61 min
Dec 10, 8:53 PM CST	Severe Thunderstorm Warning	PAH	Butler, New Madrid, Scott, Stoddard	52 min
Dec 10, 9:21 PM CST	Severe Thunderstorm Warning	PAH	Cape Girardeau, Mississippi, Scott	39 min
Dec 10, 9:26 PM CST	Severe Thunderstorm Warning	PAH	Mississippi, New Madrid, Scott	49 min
Dec 10, 9:49 PM CST	Severe Thunderstorm Warning	PAH	Mississippi	41 min
Dec 10, 10:47 PM CST	Tornado Warning	PAH	Bollinger, Cape Girardeau, Perry	21 min
Dec 10, 10:50 PM CST	Severe Thunderstorm Warning	PAH	Bollinger, Wayne	25 min
Dec 10, 11:06 PM CST	Severe Thunderstorm Warning	PAH	Bollinger, Cape Girardeau, Perry	39 min
Dec 10, 11:33 PM CST	Severe Thunderstorm Warning	PAH	Cape Girardeau, Perry	42 min

Nearby

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