Alert archive / Missouri / Tornado Warnings in 2021

Tornado Warning 25, NWS Paducah, KY

December 5, 2021Perry County, Missouri; Jackson County, Illinois

NWS Paducah, KY issued this tornado warning at Dec 5, 2021, 10:12 PM CST for Perry County, Missouri; Jackson County, Illinois. It was in force for 18 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 5, 2021, 10:12 PM CST (04:12 UTC)
Expired: Dec 5, 2021, 10:30 PM CST
In force: 18 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Jackson County, IL, Perry County, MO

The radar

The Paducah radar (KPAH), 88 km from the middle of the area, began a volume at 04:13 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.2 hours before the alert went out and 289 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 741 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

314 
WFUS53 KPAH 060412
TORPAH
ILC077-MOC157-060445-
/O.NEW.KPAH.TO.W.0025.211206T0412Z-211206T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Paducah KY
1012 PM CST Sun Dec 5 2021

The National Weather Service in Paducah has issued a

* Tornado Warning for...
  South central Jackson County in southern Illinois...
  Southeastern Perry County in southeastern Missouri...

* Until 1045 PM CST.
    
* At 1012 PM CST, a severe thunderstorm capable of producing a
  tornado was located over Altenburg, or 14 miles southwest of
  Murphysboro, 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 dangerous storm will be near...
  Murphysboro around 1025 PM CST.
  Cedar Lake Area around 1030 PM CST.

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 3762 8926 3759 8960 3760 8960 3760 8961
      3769 8963 3777 8930
TIME...MOT...LOC 0412Z 258DEG 49KT 3766 8955 

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

$$

08

1 follow-up statement

231 
WWUS53 KPAH 060430
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
1030 PM CST Sun Dec 5 2021

ILC077-MOC157-060440-
/O.CAN.KPAH.TO.W.0025.000000T0000Z-211206T0445Z/
Jackson IL-Perry MO-
1030 PM CST Sun Dec 5 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL JACKSON AND SOUTHEASTERN
PERRY COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 400 AM CST for southeastern
Missouri.

LAT...LON 3762 8926 3759 8960 3760 8960 3760 8961
      3769 8963 3777 8930
TIME...MOT...LOC 0430Z 258DEG 49KT 3771 8924 

$$

08

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 5, 9:13 PM CST	Special Weather Statement	PAH	Bollinger, Carter, Perry, Wayne	62 min
Dec 5, 9:29 PM CST	Tornado Warning	PAH	Perry	31 min
Dec 5, 9:57 PM CST	Severe Thunderstorm Warning	PAH	Wayne	48 min
Dec 5, 10:00 PM CST	Severe Thunderstorm Warning	PAH	Cape Girardeau, Perry	30 min
Dec 5, 10:38 PM CST	Flash Flood Warning	PAH	Bollinger, Cape Girardeau	3 hr
Dec 5, 10:41 PM CST	Special Weather Statement	PAH	Cape Girardeau, Carter, Wayne	49 min
Dec 6, 1:51 AM CST	Special Weather Statement	PAH	Mississippi, New Madrid, Stoddard	54 min
Dec 6, 1:56 AM CST	Severe Thunderstorm Warning	PAH	New Madrid, Scott, Stoddard	34 min
Dec 6, 2:45 AM CST	Special Weather Statement	PAH	Mississippi	45 min
Dec 5, 7:11 PM CST	Severe Thunderstorm Warning	PAH	Massac	23 min
Dec 5, 8:31 PM CST	Tornado Warning	PAH	Massac, Pope	11 min
Dec 5, 9:59 PM CST	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Williamson	46 min
Dec 5, 10:17 PM CST	Areal Flood Advisory	PAH	Jackson	3 hr
Dec 5, 10:27 PM CST	Tornado Warning	PAH	Franklin, Hamilton	19 min
Dec 5, 10:45 PM CST	Severe Thunderstorm Warning	PAH	Hamilton, White	45 min
Dec 5, 10:50 PM CST	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline, Union, Williamson	40 min

Nearby

Tornado Warnings in Missouri, 2021 Tornado Warnings in Illinois, 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.