Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 21, NWS Lincoln, IL

May 6, 2021Clay County, Richland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 6, 2021, 1:29 PM CDT for Clay County, Richland County, Illinois. It was in force for 46 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
May 6, 2021, 1:29 PM CDT (18:29 UTC)
Expired
May 6, 2021, 2:15 PM CDT
In force
46 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clay County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 63 km from the middle of the area, began a volume at 18:29 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 12:00Z, 6.5 hours before the alert went out and 169 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 2021-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 12:00Z on 2021-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
16 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1453 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

458 
WUUS53 KILX 061829
SVRILX
ILC025-159-061915-
/O.NEW.KILX.SV.W.0021.210506T1829Z-210506T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
129 PM CDT Thu May 6 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Central Richland County in southeastern Illinois...
  Southeastern Clay County in south central Illinois...

* Until 215 PM CDT.

* At 129 PM CDT, a severe thunderstorm was located near Sailor
  Springs, or near Flora, moving east at 30 mph.

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

  SOURCE...Emergency management.

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

* Locations impacted include...
  Olney, Flora, Louisville, Clay City, Noble, Parkersburg, Calhoun,
  Sailor Springs, Schnell and Olney Noble Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3860 8816 3861 8860 3881 8858 3880 8801
      3857 8803 3857 8814
TIME...MOT...LOC 1829Z 281DEG 26KT 3873 8842 

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

25
3 follow-up statements
192 
WWUS53 KILX 061843
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
143 PM CDT Thu May 6 2021

ILC025-159-061915-
/O.CON.KILX.SV.W.0021.000000T0000Z-210506T1915Z/
Richland-Clay-
143 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR CENTRAL RICHLAND AND SOUTHEASTERN CLAY COUNTIES...

At 142 PM CDT, a severe thunderstorm was located over Clay City, or 9
miles east 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...
Olney, Clay City, Noble, Parkersburg, Calhoun, Sailor Springs,
Schnell and Olney Noble Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3861 8842 3879 8840 3877 8801 3857 8803
      3857 8814 3860 8816
TIME...MOT...LOC 1842Z 285DEG 26KT 3868 8830 

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

25
498 
WWUS53 KILX 061857
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
157 PM CDT Thu May 6 2021

ILC025-061907-
/O.CAN.KILX.SV.W.0021.000000T0000Z-210506T1915Z/
Clay-
157 PM CDT Thu May 6 2021

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

LAT...LON 3860 8816 3860 8823 3862 8827 3862 8830
      3865 8829 3866 8827 3872 8829 3871 8802
      3860 8802 3857 8804 3857 8814
TIME...MOT...LOC 1857Z 269DEG 26KT 3863 8820 

$$

ILC159-061915-
/O.CON.KILX.SV.W.0021.000000T0000Z-210506T1915Z/
Richland-
157 PM CDT Thu May 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR SOUTHWESTERN RICHLAND COUNTY...

At 157 PM CDT, a severe thunderstorm was located over Schnell, or 9
miles southwest of Olney, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Olney, Noble, Parkersburg, Calhoun and Schnell. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3860 8816 3860 8823 3862 8827 3862 8830
      3865 8829 3866 8827 3872 8829 3871 8802
      3860 8802 3857 8804 3857 8814
TIME...MOT...LOC 1857Z 269DEG 26KT 3863 8820 

HAIL...<.75IN
WIND...60MPH
 
$$

25
793 
WWUS53 KILX 061911
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
211 PM CDT Thu May 6 2021

ILC159-061920-
/O.EXP.KILX.SV.W.0021.000000T0000Z-210506T1915Z/
Richland-
211 PM CDT Thu May 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN RICHLAND COUNTY
WILL EXPIRE AT 215 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

LAT...LON 3860 8816 3860 8823 3862 8827 3862 8830
      3865 8829 3866 8827 3872 8829 3871 8802
      3860 8802 3857 8804 3857 8814
TIME...MOT...LOC 1910Z 281DEG 26KT 3861 8810 

$$

25

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 1:10 PM CDTSpecial Weather StatementILXClay35 min
May 6, 2:09 PM CDTSpecial Weather StatementILXLawrence36 min
May 6, 2:17 PM CDTTornado Warning Tornado observedILXChristian, Shelby28 min
May 6, 2:29 PM CDTTornado WarningILXMoultrie, Shelby31 min
May 6, 2:58 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Moultrie, Shelby26 min
May 6, 3:01 PM CDTSevere Thunderstorm WarningILXEffingham27 min
May 6, 3:22 PM CDTSevere Thunderstorm WarningILXClay, Effingham36 min
May 6, 4:39 PM CDTSpecial Weather StatementILXClay36 min
May 6, 4:46 PM CDTTornado WarningILXClay14 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.