Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 101, NWS Lincoln, IL

August 25, 2021Peoria County, Tazewell County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 25, 2021, 6:11 PM CDT for Peoria County, Tazewell County, Illinois. It was in force for 34 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
Aug 25, 2021, 6:11 PM CDT (23:11 UTC)
Expired
Aug 25, 2021, 6:45 PM CDT
In force
34 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Peoria County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 57 km from the middle of the area, began a volume at 23:13 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, 11.2 hours before the alert went out and 94 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 2021-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1708 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 2021-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.1939Sfc1 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
1708 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1029 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

693 
WUUS53 KILX 252311
SVRILX
ILC143-179-252345-
/O.NEW.KILX.SV.W.0101.210825T2311Z-210825T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
611 PM CDT Wed Aug 25 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Tazewell County in central Illinois...
  Southern Peoria County in central Illinois...

* Until 645 PM CDT.

* At 611 PM CDT, severe thunderstorms were located along a line
  extending from near Peoria to Bellevue to Hanna City, moving
  southeast at 25 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.

* Severe thunderstorms will be near...
  Peoria, Bartonville and West Peoria around 615 PM CDT.
  Creve Coeur around 620 PM CDT.
  East Peoria, Washington and Marquette Heights around 625 PM CDT.
  Pekin and Morton around 630 PM CDT.

Other locations in the path of these severe thunderstorms include
Tremont, Mackinaw, South Pekin, Goodfield, Green Valley and Deer
Creek.

This includes the following highways...
 Interstate 155 between mile markers 16 and 31.
 Interstate 474 between mile markers 2 and 14.
 Interstate 74 between mile markers 88 and 109.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4079 8957 4075 8955 4075 8937 4072 8933
      4062 8933 4062 8927 4043 8926 4040 8932
      4036 8964 4071 8993 4071 8970 4084 8953
TIME...MOT...LOC 2311Z 316DEG 24KT 4078 8957 4070 8968 4068 8980 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MJA
1 follow-up statement
724 
WWUS53 KILX 252324
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
624 PM CDT Wed Aug 25 2021

ILC143-179-252345-
/O.CON.KILX.SV.W.0101.000000T0000Z-210825T2345Z/
Tazewell-Peoria-
624 PM CDT Wed Aug 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR TAZEWELL AND SOUTHEASTERN PEORIA COUNTIES...

At 623 PM CDT, severe thunderstorms were located along a line
extending from near Peoria to Bellevue to Hanna City, 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.

These severe storms will be near...
  Peoria around 630 PM CDT.

Other locations in the path of these severe thunderstorms include
Washington, East Peoria, Creve Coeur, Marquette Heights, Morton,
Goodfield and Deer Creek.

This includes the following highways...
 Interstate 155 between mile markers 16 and 31.
 Interstate 474 between mile markers 3 and 14.
 Interstate 74 between mile markers 90 and 109.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4075 8955 4075 8937 4072 8933 4062 8933
      4062 8927 4043 8926 4040 8932 4036 8964
      4057 8978 4071 8981 4071 8970
TIME...MOT...LOC 2323Z 270DEG 24KT 4077 8955 4069 8966 4067 8978 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MJA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 7:26 PM CDTSpecial Weather StatementILXKnox, Stark64 min
Aug 24, 8:00 PM CDTSpecial Weather StatementILXKnox, Marshall, Peoria, Stark60 min
Aug 24, 8:28 PM CDTSpecial Weather StatementILXPeoria, Tazewell, Woodford47 min
Aug 24, 8:43 PM CDTSevere Thunderstorm WarningILXFulton, McLean, Mason, Peoria, Tazewell, Woodford47 min
Aug 24, 9:10 PM CDTSpecial Weather StatementILXDeWitt, Logan, McLean50 min
Aug 24, 9:45 PM CDTSpecial Weather StatementILXDeWitt, Macon, Menard, Piatt, Sangamon30 min
Aug 24, 10:18 PM CDTSpecial Weather StatementILXChristian, Macon, Moultrie, Piatt57 min
Aug 24, 10:36 PM CDTSpecial Weather StatementILXChampaign, Vermilion54 min
Aug 24, 11:05 PM CDTSpecial Weather StatementILXChristian, Coles, Douglas, Moultrie, Shelby40 min
Aug 25, 4:10 PM CDTSevere Thunderstorm Warning Considerable damage threatILXKnox50 min
Aug 25, 4:15 PM CDTSpecial Weather StatementILXEdgar45 min
Aug 25, 4:33 PM CDTSpecial Weather StatementILXVermilion42 min
Aug 25, 4:42 PM CDTSevere Thunderstorm WarningILXStark33 min
Aug 25, 4:51 PM CDTSevere Thunderstorm WarningILXFulton, Knox24 min
Aug 25, 5:22 PM CDTSpecial Weather StatementILXPeoria53 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.