Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 101, NWS Paducah, KY

October 24, 2021Perry County, Missouri; Jackson County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Oct 24, 2021, 9:42 PM CDT for Perry County, Missouri; Jackson County, Illinois. It was in force for 48 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
Oct 24, 2021, 9:42 PM CDT (02:42 UTC)
Expired
Oct 24, 2021, 10:30 PM CDT
In force
48 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Jackson County, IL, Perry County, MO

The radar

The Paducah radar (KPAH), 110 km from the middle of the area, began a volume at 02:45 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
Oct 24, 5:44 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.7 hours before the alert went out and 269 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, Lincoln, IL at 00:00Z on 2021-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Lincoln, IL at 00:00Z on 2021-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 371 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
3 J/kg
Mixed-layer CIN
-286 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
371 m²/s²
0-3 km storm-relative helicity
467 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

945 
WUUS53 KPAH 250242
SVRPAH
ILC077-MOC157-250330-
/O.NEW.KPAH.SV.W.0101.211025T0242Z-211025T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
942 PM CDT Sun Oct 24 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Jackson County in southern Illinois...
  Central Perry County in southeastern Missouri...

* Until 1030 PM CDT.

* At 941 PM CDT, a severe thunderstorm was located 9 miles northeast
  of Perryville, moving east at 50 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Ava around 1000 PM CDT.

Other locations in the path of this severe thunderstorm include
Murphysboro, De Soto, Elkville and Hurst.

This includes Interstate 55 between Mile Markers 123 and 125.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for south central
and southern Illinois...and southeastern Missouri.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 100 AM CDT for south central
and southern Illinois...and southeastern Missouri.

&&

LAT...LON 3795 8915 3779 8915 3761 8985 3783 8984
      3785 8976 3780 8968 3786 8966 3796 8959
TIME...MOT...LOC 0241Z 250DEG 42KT 3778 8971 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DWS
2 follow-up statements
564 
WWUS53 KPAH 250313
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
1013 PM CDT Sun Oct 24 2021

ILC077-MOC157-250330-
/O.CON.KPAH.SV.W.0101.000000T0000Z-211025T0330Z/
Jackson IL-Perry MO-
1013 PM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR JACKSON AND CENTRAL PERRY COUNTIES...

At 1013 PM CDT, a severe thunderstorm was located near Altenburg, or
13 miles east of Perryville, moving east at 45 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Murphysboro, De Soto, Elkville and Hurst.

This includes Interstate 55 between Mile Markers 123 and 125.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for south central
and southern Illinois...and southeastern Missouri.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3795 8915 3779 8915 3761 8985 3771 8985
      3777 8975 3780 8968 3789 8963 3795 8943
TIME...MOT...LOC 0313Z 247DEG 40KT 3770 8963 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DWS
575 
WWUS53 KPAH 250325
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
1025 PM CDT Sun Oct 24 2021

ILC077-MOC157-250335-
/O.EXP.KPAH.SV.W.0101.000000T0000Z-211025T0330Z/
Jackson IL-Perry MO-
1025 PM CDT Sun Oct 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR JACKSON AND CENTRAL PERRY
COUNTIES WILL EXPIRE AT 1030 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 100 AM CDT for south central
and southern Illinois...and southeastern Missouri.

LAT...LON 3795 8915 3779 8915 3761 8985 3771 8985
      3777 8975 3780 8968 3789 8963 3795 8943
TIME...MOT...LOC 0325Z 250DEG 42KT 3774 8948 

$$

DWS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 8:42 PM CDTTornado Warning Tornado observedPAHPerry48 min
Oct 24, 9:03 PM CDTTornado Warning Tornado observedConsiderable damage threatPAHPerry57 min
Oct 24, 9:33 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry57 min
Oct 24, 10:05 PM CDTFlash Flood WarningPAHPerry6 hr
Oct 24, 10:12 PM CDTFlash Flood WarningPAHBollinger6 hr
Oct 24, 10:24 PM CDTSpecial Weather StatementPAHPerry51 min
Oct 24, 10:46 PM CDTSpecial Weather StatementPAHBollinger, Cape Girardeau44 min
Oct 24, 10:52 PM CDTSpecial Weather StatementPAHCarter, Wayne38 min
Oct 24, 10:53 PM CDTAreal Flood AdvisoryPAHBollinger, Carter, Wayne94 min
Oct 24, 10:54 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau51 min
Oct 24, 11:13 PM CDTTornado WarningPAHCape Girardeau18 min
Oct 24, 11:20 PM CDTTornado WarningPAHBollinger, Cape Girardeau25 min
Oct 24, 11:31 PM CDTSpecial Weather StatementPAHStoddard44 min
Oct 24, 11:37 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Scott38 min
Oct 24, 11:41 PM CDTFlash Flood WarningPAHBollinger3 hr
Oct 24, 11:42 PM CDTSpecial Weather StatementPAHButler48 min
Oct 25, 12:46 AM CDTSpecial Weather StatementPAHNew Madrid44 min
Oct 24, 10:01 PM CDTTornado WarningPAHJefferson6 min
Oct 24, 11:34 PM CDTFlash Flood WarningPAHJackson6 hr
Oct 25, 12:33 AM CDTSpecial Weather StatementPAHMassac27 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021Severe Thunderstorm Warnings in Illinois, 2021Every severe thunderstorm warning 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.