Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Paducah, KY

July 10, 2021Franklin County, Jefferson County, Perry County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jul 10, 2021, 5:09 PM CDT for Franklin County, Jefferson County, Perry County, Illinois. It was in force for 36 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, 5:09 PM CDT (22:09 UTC)
Expired
Jul 10, 2021, 5:45 PM CDT
In force
36 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Franklin County, IL, Jefferson County, IL, Perry County, IL

The radar

The Paducah radar (KPAH), 112 km from the middle of the area, began a volume at 22:10 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
Jul 10, 2:01 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.2 hours before the alert went out and 237 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 12:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

936 
WUUS53 KPAH 102209
SVRPAH
ILC055-081-145-102245-
/O.NEW.KPAH.SV.W.0071.210710T2209Z-210710T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
509 PM CDT Sat Jul 10 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Eastern Perry County in south central Illinois...
  Southern Jefferson County in south central Illinois...
  Franklin County in south central Illinois...

* Until 545 PM CDT.

* At 509 PM CDT, a severe thunderstorm was located over Tamaroa, or 8
  miles north of Du Quoin, moving east at 55 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Sesser around 515 PM CDT.
  Rend Lake Area around 520 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3827 8871 3787 8871 3793 8915 3795 8915
      3795 8932 3796 8940 3816 8935
TIME...MOT...LOC 2209Z 256DEG 48KT 3813 8919 

HAIL...0.88IN
WIND...60MPH
 
$$

York
1 follow-up statement
531 
WWUS53 KPAH 102233
SVSPAH

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

ILC145-102243-
/O.CAN.KPAH.SV.W.0071.000000T0000Z-210710T2245Z/
Perry IL-
533 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PERRY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central and southern Illinois.

LAT...LON 3827 8871 3787 8871 3793 8915 3795 8915
      3795 8918 3797 8915 3800 8914 3804 8914
      3806 8912 3810 8912 3810 8914 3812 8913
      3813 8915 3820 8915
TIME...MOT...LOC 2233Z 279DEG 42KT 3809 8884 

$$

ILC055-081-102245-
/O.CON.KPAH.SV.W.0071.000000T0000Z-210710T2245Z/
Jefferson IL-Franklin IL-
533 PM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHERN JEFFERSON AND FRANKLIN COUNTIES...

At 533 PM CDT, a severe thunderstorm was located 7 miles east of Rend
Lake Area, moving east at 40 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 remain over mainly rural areas of
southern Jefferson and Franklin Counties, including the following
locations... Orient, Ewing, North City, and Bonnie. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3827 8871 3787 8871 3793 8915 3795 8915
      3795 8918 3797 8915 3800 8914 3804 8914
      3806 8912 3810 8912 3810 8914 3812 8913
      3813 8915 3820 8915
TIME...MOT...LOC 2233Z 279DEG 42KT 3809 8884 

HAIL...0.75IN
WIND...60MPH
 
$$

York

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 2:21 AM CDTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more25 hr
Jul 10, 3:23 PM CDTSpecial Weather StatementPAHWhite52 min
Jul 10, 4:36 PM CDTSevere Thunderstorm WarningPAHJefferson, Perry39 min
Jul 10, 5:14 PM CDTSpecial Weather StatementPAHJefferson, Wayne46 min
Jul 10, 5:29 PM CDTSpecial Weather StatementPAHJackson, Williamson46 min
Jul 10, 5:40 PM CDTSpecial Weather StatementPAHHamilton, White50 min
Jul 10, 6:00 PM CDTSevere Thunderstorm WarningPAHFranklin, Hamilton, Saline, Williamson45 min
Jul 10, 6:13 PM CDTSpecial Weather StatementPAHAlexander, Pulaski47 min
Jul 10, 6:19 PM CDTSpecial Weather StatementPAHEdwards, Wabash, White41 min
Jul 10, 6:42 PM CDTSpecial Weather StatementPAHGallatin, Saline48 min

Nearby

Severe 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.