Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Paducah, KY

March 27, 2021Wayne County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Mar 27, 2021, 9:11 PM CDT for Wayne County, Illinois. It was in force for 49 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
Mar 27, 2021, 9:11 PM CDT (02:11 UTC)
Expired
Mar 27, 2021, 10:00 PM CDT
In force
49 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Wayne County, IL

The radar

The Evansville,IN radar (KVWX), 66 km from the middle of the area, began a volume at 02:10 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
Mar 27, 8:19 PM CDTSevere Thunderstorm WatchSPC114 min

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.2 hours before the alert went out and 180 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 2021-03-28Temperature 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 00:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939587897117136Sfc1 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
933 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

516 
WUUS53 KPAH 280211
SVRPAH
ILC191-280300-
/O.NEW.KPAH.SV.W.0007.210328T0211Z-210328T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Paducah KY
911 PM CDT Sat Mar 27 2021

The National Weather Service in Paducah has issued a

* Severe Thunderstorm Warning for...
  Northern Wayne County in south central Illinois...

* Until 1000 PM CDT.

* At 911 PM CDT, a severe thunderstorm was located near Helm, or 11
  miles southwest of Flora, moving east at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Cisne, Jeffersonville, Mount Erie and Johnsonville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3860 8818 3841 8820 3848 8870 3860 8869
TIME...MOT...LOC 0211Z 282DEG 26KT 3853 8860 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

DWS
2 follow-up statements
830 
WWUS53 KPAH 280238
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
938 PM CDT Sat Mar 27 2021

ILC191-280300-
/O.CON.KPAH.SV.W.0007.000000T0000Z-210328T0300Z/
Wayne IL-
938 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR NORTHEASTERN WAYNE COUNTY...

At 938 PM CDT, a severe thunderstorm was located near Schnell, or 12
miles southeast of Flora, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Cisne, Jeffersonville and Mount Erie. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3860 8818 3841 8820 3845 8849 3860 8846
TIME...MOT...LOC 0238Z 267DEG 30KT 3857 8829 

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

DWS
875 
WWUS53 KPAH 280250
SVSPAH

Severe Weather Statement
National Weather Service Paducah KY
950 PM CDT Sat Mar 27 2021

ILC191-280300-
/O.EXP.KPAH.SV.W.0007.000000T0000Z-210328T0300Z/
Wayne IL-
950 PM CDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE COUNTY WILL
EXPIRE AT 1000 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Illinois.

LAT...LON 3860 8818 3841 8820 3845 8849 3860 8846
TIME...MOT...LOC 0250Z 282DEG 26KT 3858 8825 

$$

DWS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 10:58 PM CDTSpecial Weather StatementPAHGallatin, Hardin, Pope47 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.