Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jul 29, 2021, 7:28 PM CDT for Crawford County, Lawrence County, Illinois. It was in force for 35 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
- Jul 29, 2021, 7:28 PM CDT (00:28 UTC)
- Expired
- Jul 29, 2021, 8:03 PM CDT
- In force
- 35 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crawford County, IL, Lawrence County, IL
The radar
The Evansville,IN radar (KVWX), 65 km from the middle of the area, began a volume at 00:27 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 00:00Z, 0.5 hours before the alert went out and 173 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
- 1257 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.1
The text
As transmitted.
863
WUUS53 KILX 300028
SVRILX
ILC033-101-300115-
/O.NEW.KILX.SV.W.0078.210730T0028Z-210730T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
728 PM CDT Thu Jul 29 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northeastern Lawrence County in southeastern Illinois...
Southeastern Crawford County in east central Illinois...
* Until 815 PM CDT.
* At 728 PM CDT, a severe thunderstorm was located near Flat Rock, or
11 miles southeast of Robinson, moving south at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Russellville around 745 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
&&
LAT...LON 3868 8754 3867 8765 3895 8766 3897 8753
3896 8751 3891 8753 3890 8752 3889 8754
3888 8753 3886 8755 3885 8753 3882 8753
3879 8750 3877 8751 3876 8750 3874 8750
TIME...MOT...LOC 0028Z 351DEG 17KT 3890 8759
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
$$
Geelhart2 follow-up statements
459
WWUS53 KILX 300046
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
746 PM CDT Thu Jul 29 2021
ILC033-300056-
/O.CAN.KILX.SV.W.0078.000000T0000Z-210730T0115Z/
Crawford-
746 PM CDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3881 8761 3884 8753 3882 8753 3879 8750
3877 8751 3876 8750 3874 8750 3868 8754
3867 8763
TIME...MOT...LOC 0046Z 345DEG 20KT 3878 8753
$$
ILC101-300115-
/O.CON.KILX.SV.W.0078.000000T0000Z-210730T0115Z/
Lawrence-
746 PM CDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NORTHEASTERN LAWRENCE COUNTY...
At 746 PM CDT, a severe thunderstorm was located over Russellville,
or 7 miles north of Vincennes, moving south at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northeastern Lawrence County, including the following locations...
Lawrenceville Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
&&
LAT...LON 3881 8761 3884 8753 3882 8753 3879 8750
3877 8751 3876 8750 3874 8750 3868 8754
3867 8763
TIME...MOT...LOC 0046Z 345DEG 20KT 3878 8753
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
$$
37673
WWUS53 KILX 300103
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
803 PM CDT Thu Jul 29 2021
ILC101-300113-
/O.CAN.KILX.SV.W.0078.000000T0000Z-210730T0115Z/
Lawrence-
803 PM CDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LAWRENCE COUNTY
IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. However gusty winds are still possible with this
thunderstorm.
LAT...LON 3881 8761 3884 8753 3882 8753 3879 8750
3877 8751 3876 8750 3874 8750 3868 8754
3867 8763
TIME...MOT...LOC 0101Z 351DEG 17KT 3870 8751
$$
37The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:33 PM CDT | Special Weather Statement | ILX | Lawrence | 27 min |
| Jul 29, 8:57 PM CDT | Special Weather Statement | ILX | Lawrence | 33 min |
| Jul 29, 9:16 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 29 min |
| Jul 29, 9:30 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 15 min |
| Jul 29, 10:40 PM CDT | Special Weather Statement | ILX | Richland | 35 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.