Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 25, 2021, 12:33 AM CDT for 4 counties in Illinois. It was in force for 72 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 25, 2021, 12:33 AM CDT (05:33 UTC)
- Expired
- Jun 25, 2021, 1:45 AM CDT
- In force
- 72 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cass County, IL, Morgan County, IL, Schuyler County, IL, Scott County, IL
The radar
The Lincoln radar (KILX), 102 km from the middle of the area, began a volume at 05:34 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 24, 11:47 PM CDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 5.6 hours before the alert went out and 164 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.
714
WUUS53 KILX 250533
SVRILX
ILC017-137-169-171-250645-
/O.NEW.KILX.SV.W.0055.210625T0533Z-210625T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
1233 AM CDT Fri Jun 25 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Scott County in west central Illinois...
Western Cass County in west central Illinois...
Schuyler County in west central Illinois...
Western Morgan County in west central Illinois...
* Until 145 AM CDT.
* At 1232 AM CDT, severe thunderstorms were located along a line
extending from near Nauvoo to near Carthage to near Golden to 9
miles northeast of Frankford to near Curryville, moving east at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Littleton, Rushville, Beardstown, Winchester, Alsey, Browning and
Manchester.
This includes Interstate 72 between mile markers 43 and 61.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 AM CDT for central and
west central Illinois.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4028 9047 4019 9045 4018 9020 4015 9021
4012 9035 4011 9031 4000 9025 3952 9031
3952 9058 3958 9058 3971 9065 3997 9051
3999 9052 3998 9060 4003 9061 4005 9068
4008 9067 4011 9071 4011 9091 4029 9091
TIME...MOT...LOC 0532Z 268DEG 33KT 4054 9134 4034 9115 4011 9111 3957
9117 3932 9130
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MJA2 follow-up statements
640
WWUS53 KILX 250622
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
122 AM CDT Fri Jun 25 2021
ILC017-137-169-171-250645-
/O.CON.KILX.SV.W.0055.000000T0000Z-210625T0645Z/
Scott-Cass-Schuyler-Morgan-
122 AM CDT Fri Jun 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SCOTT...WESTERN CASS...CENTRAL SCHUYLER AND WESTERN MORGAN
COUNTIES...
At 122 AM CDT, severe thunderstorms were located along a line
extending from Sciota to near Industry to Rushville to 8 miles west
of Winchester to near Belleview, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Beardstown, Rushville, Winchester, Meredosia, Bluff Springs, Bluffs,
Chapin, Arenzville, Manchester, Alsey, Browning, Naples, Exeter,
Frederick, Concord, Glasgow, Lynnville, Valley City, Riggston and
Merritt.
This includes Interstate 72 between mile markers 43 and 61.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 AM CDT for central and
west central Illinois.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4019 9045 4018 9020 4015 9021 4012 9035
4011 9031 4000 9025 3952 9031 3952 9058
3958 9058 3971 9065 3997 9051 3999 9052
3998 9060 4018 9055
TIME...MOT...LOC 0622Z 270DEG 33KT 4055 9077 4035 9058 4012 9054 3958
9060 3933 9073
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
MJA241
WWUS53 KILX 250639
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
139 AM CDT Fri Jun 25 2021
ILC017-137-169-171-250649-
/O.EXP.KILX.SV.W.0055.000000T0000Z-210625T0645Z/
Scott-Cass-Schuyler-Morgan-
139 AM CDT Fri Jun 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR SCOTT...WESTERN CASS...CENTRAL
SCHUYLER AND WESTERN MORGAN COUNTIES WILL EXPIRE AT 145 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 400 AM CDT for central and
west central Illinois.
LAT...LON 4019 9045 4018 9020 4015 9021 4012 9035
4011 9031 4000 9025 3952 9031 3952 9058
3958 9058 3971 9065 3997 9051 3999 9052
3998 9060 4018 9055
TIME...MOT...LOC 0639Z 268DEG 33KT 4056 9057 4036 9038 4013 9034 3959
9040 3934 9053
$$
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 24, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.