Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 37, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 18, 2021, 8:43 PM CDT for Christian County, Sangamon County, Illinois. It was in force for 47 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 18, 2021, 8:43 PM CDT (01:43 UTC)
- Expired
- Jun 18, 2021, 9:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Christian County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 01:45 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 18, 8:54 PM CDT | HAIL 0.75 | 1 S Grandview, IL | ESTIMATED PEA TO PENNY SIZE HAIL. |
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, 1.7 hours before the alert went out and 95 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
- 2124 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1616 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.0
The text
As transmitted.
094
WUUS53 KILX 190143
SVRILX
ILC021-167-190230-
/O.NEW.KILX.SV.W.0037.210619T0143Z-210619T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
843 PM CDT Fri Jun 18 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northwestern Christian County in central Illinois...
Central Sangamon County in central Illinois...
* Until 930 PM CDT.
* At 843 PM CDT, a severe thunderstorm was located over Springfield,
moving east at 35 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.
* This severe thunderstorm will be near...
Rochester and Riverton around 855 PM CDT.
Other locations in the path of this severe thunderstorm include
Mechanicsburg.
This includes the following highways...
Interstate 55 between mile markers 93 and 103.
Interstate 72 between mile markers 99 and 121.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3979 8985 3989 8976 3990 8928 3964 8929
3972 8958 3975 8966
TIME...MOT...LOC 0143Z 279DEG 29KT 3982 8966
HAIL...1.00IN
WIND...60MPH
$$
Deubelbeiss2 follow-up statements
032
WWUS53 KILX 190209
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
909 PM CDT Fri Jun 18 2021
ILC021-167-190230-
/O.CON.KILX.SV.W.0037.000000T0000Z-210619T0230Z/
Christian-Sangamon-
909 PM CDT Fri Jun 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHWESTERN CHRISTIAN AND NORTHEASTERN SANGAMON COUNTIES...
At 908 PM CDT, a severe thunderstorm was located over Mechanicsburg,
or 12 miles east of Springfield, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northwestern Christian and northeastern Sangamon Counties, including
the following locations... Dawson, Roby, Berry, Clear Lake, Southern
View, Grandview and Buffalo.
This includes the following highways...
Interstate 55 between mile markers 93 and 99.
Interstate 72 between mile markers 99 and 121.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3982 8963 3987 8951 3990 8928 3964 8929
3972 8958 3975 8966
TIME...MOT...LOC 0208Z 280DEG 29KT 3977 8940
HAIL...1.00IN
WIND...60MPH
$$
Deubelbeiss106
WWUS53 KILX 190224
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
924 PM CDT Fri Jun 18 2021
ILC021-167-190234-
/O.EXP.KILX.SV.W.0037.000000T0000Z-210619T0230Z/
Christian-Sangamon-
924 PM CDT Fri Jun 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHRISTIAN AND
NORTHEASTERN SANGAMON COUNTIES WILL EXPIRE AT 930 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
central Illinois.
LAT...LON 3982 8963 3987 8951 3990 8928 3964 8929
3972 8958 3975 8966
TIME...MOT...LOC 0224Z 279DEG 29KT 3975 8925
$$
DeubelbeissThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:15 PM CDT | Special Weather Statement | ILX | Crawford | 30 min |
| Jun 18, 7:52 PM CDT | Special Weather Statement | ILX | Morgan | 23 min |
| Jun 18, 8:08 PM CDT | Special Weather Statement | ILX | Sangamon | 52 min |
| Jun 18, 8:22 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 38 min |
| Jun 18, 9:13 PM CDT | Special Weather Statement | ILX | Clark | 32 min |
| Jun 18, 9:44 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 46 min |
| Jun 18, 10:24 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria | 36 min |
| Jun 18, 10:32 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 25 min |
| Jun 18, 11:06 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 39 min |
| Jun 18, 11:29 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 46 min |
| Jun 18, 11:47 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria | 43 min |
| Jun 18, 11:57 PM CDT | Tornado Warning | ILX | Fulton, Knox | 33 min |
| Jun 19, 12:13 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Peoria, Tazewell | 47 min |
| Jun 19, 12:26 AM CDT | Flash Flood Warning | ILX | Clark | 6 hr |
| Jun 19, 12:28 AM CDT | Flash Flood Warning | ILX | Fulton, Knox | 5 hr |
| Jun 19, 12:52 AM CDT | Severe Thunderstorm Warning | ILX | Logan, McLean, Mason, Tazewell | 38 min |
| Jun 19, 1:19 AM CDT | Severe Thunderstorm Warning | ILX | Logan, McLean, Tazewell | 41 min |
| Jun 19, 1:23 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 52 min |
| Jun 19, 1:53 AM CDT | Flash Flood Warning | ILX | Coles, Douglas, Edgar | 5 hr |
| Jun 19, 1:59 AM CDT | Severe Thunderstorm Warning | ILX | Edgar | 46 min |
| Jun 19, 2:19 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 41 min |
| Jun 19, 3:29 AM CDT | Flash Flood Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 3 hr |
| Jun 19, 3:37 AM CDT | Special Weather Statement | ILX | Champaign, Douglas, Edgar, Vermilion | 53 min |
| Jun 19, 7:06 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 24 min |
| Jun 19, 7:29 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Shelby | 31 min |
| Jun 19, 10:19 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 41 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.