Alert archive / Illinois / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 151, NWS Lincoln, IL

June 10, 2011Clay County, Effingham County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 10, 2011, 3:37 PM CDT for Clay County, Effingham County, Illinois. It was in force for 53 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
Jun 10, 2011, 3:37 PM CDT (20:37 UTC)
Expired
Jun 10, 2011, 4:30 PM CDT
In force
53 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Clay County, IL, Effingham County, IL

The radar

The Evansville,IN radar (KVWX), 110 km from the middle of the area, began a volume at 20:39 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
Jun 10, 1:02 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.6 hours before the alert went out and 135 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 2011-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 581 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 2011-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
581 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

352 
WUUS53 KILX 102037
SVRILX
ILC025-049-102130-
/O.NEW.KILX.SV.W.0151.110610T2037Z-110610T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
337 PM CDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 430 PM CDT.

* AT 325 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR EDGEWOOD...OR 17 MILES SOUTHWEST OF
  EFFINGHAM...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WATSON...BIBLE GROVE...DIETERICH...MASON...HORD...HEARTVILLE AND
  ELLIOTSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3885 8870 3891 8870 3891 8880 3895 8882
      3899 8881 3915 8836 3885 8837
TIME...MOT...LOC 2037Z 252DEG 15KT 3893 8867
WIND...HAIL <50MPH 1.00IN

$$

HJS
2 follow-up statements
210 
WWUS53 KILX 102110
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
410 PM CDT FRI JUN 10 2011

ILC025-102120-
/O.CAN.KILX.SV.W.0151.000000T0000Z-110610T2130Z/
CLAY IL-
410 PM CDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CLAY COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3898 8837 3894 8865 3903 8869 3915 8836
TIME...MOT...LOC 2110Z 252DEG 15KT 3904 8852

$$

ILC049-102130-
/O.CON.KILX.SV.W.0151.000000T0000Z-110610T2130Z/
EFFINGHAM IL-
410 PM CDT FRI JUN 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
EFFINGHAM COUNTY UNTIL 430 PM CDT...

AT 406 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR WATSON...OR 6 MILES SOUTH OF EFFINGHAM...
MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  DIETERICH AND ELLIOTSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3898 8837 3894 8865 3903 8869 3915 8836
TIME...MOT...LOC 2110Z 252DEG 15KT 3904 8852
WIND...HAIL <50MPH 1.00IN

$$

HJS
488 
WWUS53 KILX 102124
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
424 PM CDT FRI JUN 10 2011

ILC049-102133-
/O.EXP.KILX.SV.W.0151.000000T0000Z-110610T2130Z/
EFFINGHAM IL-
424 PM CDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL EFFINGHAM COUNTY WILL
EXPIRE AT 430 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. SEVERAL THUNDERSTORMS REMAIN IN THE AREA...CAPABLE OF 
PRODUCING SMALL HAIL AND GUSTY WINDS.  STAY ALERT TO CHANGING 
WEATHER CONDITIONS. 

LAT...LON 3898 8837 3894 8865 3903 8869 3915 8836
TIME...MOT...LOC 2123Z 252DEG 15KT 3906 8845

$$

HJS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 10:51 AM CDTRiver Flood WarningILXMarshall, Putnam5 days
Jun 10, 2:29 PM CDTSpecial Weather StatementILXJasper61 min
Jun 10, 3:26 PM CDTFlash Flood WarningILXClay6 hr
Jun 10, 5:42 PM CDTAreal Flood AdvisoryILXEffingham6 hr
Jun 10, 6:13 PM CDTSpecial Weather StatementILXCass, Morgan, Scott77 min
Jun 10, 6:20 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott55 min
Jun 10, 6:38 PM CDTTornado WarningILXSchuyler67 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2011Every severe thunderstorm warning in 2011

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.