Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 27, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 27, 2021, 1:05 PM CDT for 6 counties in Illinois. It was in force for 55 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
- May 27, 2021, 1:05 PM CDT (18:05 UTC)
- Expired
- May 27, 2021, 2:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Christian County, IL, DeWitt County, IL, Logan County, IL, Macon County, IL, Sangamon County, IL, Shelby County, IL
The radar
The Lincoln radar (KILX), 65 km from the middle of the area, began a volume at 18:08 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 |
|---|---|---|---|
| May 27, 11:26 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.1 hours before the alert went out and 78 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1679 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
524
WUUS53 KILX 271805
SVRILX
ILC021-039-107-115-167-173-271900-
/O.NEW.KILX.SV.W.0027.210527T1805Z-210527T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
105 PM CDT Thu May 27 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Southeastern Logan County in central Illinois...
Christian County in central Illinois...
Northeastern Sangamon County in central Illinois...
Northwestern Shelby County in central Illinois...
Southwestern De Witt County in central Illinois...
Macon County in central Illinois...
* Until 200 PM CDT.
* At 103 PM CDT, severe thunderstorms were located along a line
extending from near Cornland to near Edinburg to near Nokomis,
moving east at 40 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...
Mount Auburn around 110 PM CDT.
Mount Pulaski and Stonington around 115 PM CDT.
Blue Mound, Latham and Chestnut around 120 PM CDT.
Pana and Moweaqua around 125 PM CDT.
Warrensburg, Macon and Kenney around 130 PM CDT.
Mount Zion and Tower Hill around 135 PM CDT.
Forsyth, Maroa and Long Creek around 140 PM CDT.
Shelbyville, Oreana and Westervelt around 145 PM CDT.
Other locations impacted by these severe thunderstorms include Boody,
Willeys, Weldon Springs State Park, Sharpsburg, Rowell, Elwin,
Decatur Airport, Roby, Hervey City and Vanderville.
This includes Interstate 72 between mile markers 113 and 146.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3935 8914 3935 8940 3967 8940 4000 8948
4018 8890 3971 8882 3934 8882 3933 8914
TIME...MOT...LOC 1803Z 259DEG 36KT 3998 8941 3969 8932 3930 8933
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
Barnes3 follow-up statements
283
WWUS53 KILX 271828
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
128 PM CDT Thu May 27 2021
ILC167-271837-
/O.CAN.KILX.SV.W.0027.000000T0000Z-210527T1900Z/
Sangamon-
128 PM CDT Thu May 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SANGAMON COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central Illinois.
LAT...LON 3935 8914 3935 8935 3968 8919 4008 8921
4018 8890 3971 8882 3934 8882 3933 8914
TIME...MOT...LOC 1827Z 261DEG 32KT 4003 8910 3971 8906 3938 8928
$$
ILC021-039-107-115-173-271900-
/O.CON.KILX.SV.W.0027.000000T0000Z-210527T1900Z/
Logan-Christian-Shelby-De Witt-Macon-
128 PM CDT Thu May 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR SOUTHEASTERN LOGAN...EASTERN CHRISTIAN...NORTHWESTERN SHELBY...
SOUTHWESTERN DE WITT AND MACON COUNTIES...
At 127 PM CDT, severe thunderstorms were located along a line
extending from near Kenney to near Macon to near Nokomis, moving east
at 40 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...
Moweaqua, Warrensburg, Macon and Kenney around 135 PM CDT.
Forsyth and Maroa around 140 PM CDT.
Mount Zion, Long Creek and Oreana around 145 PM CDT.
Assumption around 150 PM CDT.
Tower Hill around 155 PM CDT.
Westervelt around 205 PM CDT.
Shelbyville around 210 PM CDT.
Other locations impacted by these severe thunderstorms include Boody,
Hervey City, Weldon Springs State Park, Vanderville, Rosamond,
Rowell, Elwin, Owaneco and Decatur Airport.
This includes Interstate 72 between mile markers 126 and 146.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3935 8914 3935 8935 3968 8919 4008 8921
4018 8890 3971 8882 3934 8882 3933 8914
TIME...MOT...LOC 1827Z 261DEG 32KT 4003 8910 3971 8906 3938 8928
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
Barnes918
WWUS53 KILX 271841
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
141 PM CDT Thu May 27 2021
ILC039-107-271851-
/O.CAN.KILX.SV.W.0027.000000T0000Z-210527T1900Z/
Logan-De Witt-
141 PM CDT Thu May 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LOGAN AND
SOUTHWESTERN DE WITT COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central Illinois.
LAT...LON 3933 8914 3935 8914 3935 8930 3966 8905
4005 8902 4005 8888 3971 8882 3934 8882
TIME...MOT...LOC 1841Z 259DEG 36KT 4005 8896 3973 8892 3940 8914
$$
ILC021-115-173-271900-
/O.CON.KILX.SV.W.0027.000000T0000Z-210527T1900Z/
Christian-Shelby-Macon-
141 PM CDT Thu May 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR SOUTHEASTERN CHRISTIAN...NORTHWESTERN SHELBY AND CENTRAL MACON
COUNTIES...
At 141 PM CDT, severe thunderstorms were located along a line
extending from Maroa to near Mount Zion to near Pana, moving east at
40 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...
Mount Zion, Maroa and Long Creek around 145 PM CDT.
Assumption around 150 PM CDT.
Shelbyville and Westervelt around 205 PM CDT.
Other locations impacted by these severe thunderstorms include
Rosamond, Elwin, Hervey City, Decatur Airport and Owaneco.
This includes Interstate 72 between mile markers 137 and 146.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3933 8914 3935 8914 3935 8930 3966 8905
4005 8902 4005 8888 3971 8882 3934 8882
TIME...MOT...LOC 1841Z 259DEG 36KT 4005 8896 3973 8892 3940 8914
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
Barnes129
WWUS53 KILX 271855
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
155 PM CDT Thu May 27 2021
ILC021-115-173-271905-
/O.EXP.KILX.SV.W.0027.000000T0000Z-210527T1900Z/
Christian-Shelby-Macon-
155 PM CDT Thu May 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHRISTIAN...
NORTHWESTERN SHELBY AND CENTRAL MACON COUNTIES WILL EXPIRE AT 200 PM
CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central Illinois.
LAT...LON 3933 8914 3935 8914 3935 8930 3966 8905
4005 8902 4005 8888 3971 8882 3934 8882
TIME...MOT...LOC 1855Z 259DEG 36KT 4007 8879 3975 8875 3943 8897
$$
BarnesThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 10:13 AM CDT | Special Weather Statement | ILX | Menard, Morgan, Sangamon | 32 min |
| May 27, 11:14 AM CDT | Special Weather Statement | ILX | Cass, Morgan, Scott | 46 min |
| May 27, 11:58 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 62 min |
| May 27, 3:06 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper | 54 min |
| May 27, 3:47 PM CDT | Severe Thunderstorm Warning | ILX | Jasper, Richland | 58 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.