Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 9, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 7, 2021, 6:34 PM CDT for Cass County, Schuyler County, Illinois. It was in force for 45 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
- Apr 7, 2021, 6:34 PM CDT (23:34 UTC)
- Expired
- Apr 7, 2021, 7:19 PM CDT
- In force
- 45 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cass County, IL, Schuyler County, IL
The radar
The Lincoln radar (KILX), 109 km from the middle of the area, began a volume at 23:34 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, 11.6 hours before the alert went out and 172 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.
- Mixed-layer CAPE
- 56 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 1001 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
182
WUUS53 KILX 072334
SVRILX
ILC017-169-080030-
/O.NEW.KILX.SV.W.0009.210407T2334Z-210408T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
634 PM CDT Wed Apr 7 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Southwestern Cass County in west central Illinois...
Schuyler County in west central Illinois...
* Until 730 PM CDT.
* At 633 PM CDT, severe thunderstorms were located along a line
extending from West Point to near Beverly, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Beardstown, Rushville, Arenzville, Littleton, Frederick,
Huntsville, Camden, Ripley, Weinberg King State Park and Ray.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4027 9046 3988 9037 3988 9058 3991 9055
3997 9051 3999 9052 3998 9060 4002 9062
4003 9061 4002 9063 4005 9068 4008 9067
4008 9070 4011 9071 4011 9091 4029 9091
TIME...MOT...LOC 2333Z 250DEG 28KT 4027 9119 3981 9094
HAIL...0.75IN
WIND...60MPH
$$
Deubelbeiss2 follow-up statements
361
WWUS53 KILX 080000
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
700 PM CDT Wed Apr 7 2021
ILC017-080009-
/O.CAN.KILX.SV.W.0009.000000T0000Z-210408T0030Z/
Cass-
700 PM CDT Wed Apr 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CASS COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled. Additional
thunderstorms are possible this evening.
LAT...LON 4027 9046 4009 9042 4008 9067 4008 9070
4011 9071 4011 9091 4029 9091
TIME...MOT...LOC 2359Z 202DEG 64KT 4062 9090 4015 9072
$$
ILC169-080030-
/O.CON.KILX.SV.W.0009.000000T0000Z-210408T0030Z/
Schuyler-
700 PM CDT Wed Apr 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SCHUYLER COUNTY...
At 659 PM CDT, severe thunderstorms were located along a line
extending from near La Harpe to 7 miles southwest of Littleton,
moving north at 75 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rushville, Littleton, Huntsville, Camden, Ray and Weinberg King State
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4027 9046 4009 9042 4008 9067 4008 9070
4011 9071 4011 9091 4029 9091
TIME...MOT...LOC 2359Z 202DEG 64KT 4062 9090 4015 9072
HAIL...0.75IN
WIND...60MPH
$$
Deubelbeiss839
WWUS53 KILX 080019
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
719 PM CDT Wed Apr 7 2021
ILC169-080029-
/O.CAN.KILX.SV.W.0009.000000T0000Z-210408T0030Z/
Schuyler-
719 PM CDT Wed Apr 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SCHUYLER COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with additional thunderstorms.
LAT...LON 4027 9046 4009 9042 4008 9067 4008 9070
4011 9071 4011 9091 4029 9091
TIME...MOT...LOC 0018Z 250DEG 28KT 4067 9071 4020 9054
$$
DeubelbeissNearby
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.