Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 54, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 24, 2021, 8:09 PM CDT for Morgan County, Sangamon County, Illinois. It was in force for 51 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 24, 2021, 8:09 PM CDT (01:09 UTC)
- Expired
- Jun 24, 2021, 9:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Morgan County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 77 km from the middle of the area, began a volume at 01:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 8:20 PM CDT | TSTM WND DMG | Lowder, IL | DAMAGE TO TREES, A FLAG POLE, HOUSE SHINGLES AND SIDING. HIGH WIND LASTED ABOUT 5 MINUTES. DELAYED REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.2 hours before the alert went out and 123 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
- 263 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 245 m²/s²
- 0-3 km storm-relative helicity
- 444 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.5
The text
As transmitted.
973 WUUS53 KILX 250109 SVRILX ILC137-167-250200- /O.NEW.KILX.SV.W.0054.210625T0109Z-210625T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Lincoln IL 809 PM CDT Thu Jun 24 2021 The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Southwestern Sangamon County in central Illinois... Southeastern Morgan County in west central Illinois... * Until 900 PM CDT. * At 808 PM CDT, a severe thunderstorm was located near Waverly, or 7 miles west of Virden, moving east at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Auburn, Pawnee and Divernon. This includes Interstate 55 between mile markers 78 and 86. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3958 9001 3968 8960 3953 8956 3952 9000 TIME...MOT...LOC 0108Z 259DEG 13KT 3951 8990 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ MJA
3 follow-up statements
747
WWUS53 KILX 250130
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
830 PM CDT Thu Jun 24 2021
ILC137-250139-
/O.CAN.KILX.SV.W.0054.000000T0000Z-210625T0200Z/
Morgan-
830 PM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORGAN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3960 8991 3968 8960 3953 8956 3952 8991
TIME...MOT...LOC 0129Z 259DEG 13KT 3952 8980
$$
ILC167-250200-
/O.CON.KILX.SV.W.0054.000000T0000Z-210625T0200Z/
Sangamon-
830 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHWESTERN SANGAMON COUNTY...
At 829 PM CDT, a severe thunderstorm was located over Virden, moving
east at 15 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...
Chatham, Auburn, Pawnee, Divernon, Thayer, Glenarm and Lowder.
This includes Interstate 55 between mile markers 78 and 86.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3960 8991 3968 8960 3953 8956 3952 8991
TIME...MOT...LOC 0129Z 259DEG 13KT 3952 8980
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MJA904
WWUS53 KILX 250148
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
848 PM CDT Thu Jun 24 2021
ILC167-250200-
/O.CON.KILX.SV.W.0054.000000T0000Z-210625T0200Z/
Sangamon-
848 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL SANGAMON COUNTY...
At 848 PM CDT, a severe thunderstorm was located near Auburn, or near
Virden, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Chatham, Auburn, Pawnee, Divernon, Thayer and Glenarm.
This includes Interstate 55 between mile markers 78 and 86.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3962 8981 3968 8960 3953 8956 3952 8982
TIME...MOT...LOC 0148Z 259DEG 13KT 3953 8971
HAIL...1.00IN
WIND...60MPH
$$
MJA041
WWUS53 KILX 250155
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
855 PM CDT Thu Jun 24 2021
ILC167-250205-
/O.EXP.KILX.SV.W.0054.000000T0000Z-210625T0200Z/
Sangamon-
855 PM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SANGAMON COUNTY
WILL EXPIRE AT 900 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
LAT...LON 3962 8981 3968 8960 3953 8956 3952 8982
TIME...MOT...LOC 0155Z 259DEG 13KT 3953 8968
$$
MJAThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:56 PM CDT | Special Weather Statement | ILX | Sangamon | 49 min |
| Jun 25, 12:33 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler, Scott | 72 min |
| Jun 25, 1:21 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard, Morgan, Sangamon | 42 min |
| Jun 25, 1:42 AM CDT | Flash Flood Warning | ILX | Knox, Marshall, Stark | 6 hr |
| Jun 25, 2:52 PM CDT | Special Weather Statement | ILX | Lawrence | 23 min |
| Jun 25, 5:42 PM CDT | Special Weather Statement | ILX | Piatt | 33 min |
| Jun 25, 5:58 PM CDT | Tornado Warning | ILX | DeWitt, Macon, Piatt | 32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.