Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 3, 2021, 5:17 PM CDT for 4 counties in Illinois. It was in force for 43 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 3, 2021, 5:17 PM CDT (22:17 UTC)
- Expired
- May 3, 2021, 6:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cass County, IL, Logan County, IL, Mason County, IL, Menard County, IL
The radar
The Lincoln radar (KILX), 44 km from the middle of the area, began a volume at 22:18 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 3, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.3 hours before the alert went out and 106 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
- 460 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
182
WUUS53 KILX 032217
SVRILX
ILC017-107-125-129-032300-
/O.NEW.KILX.SV.W.0013.210503T2217Z-210503T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
517 PM CDT Mon May 3 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northern Menard County in central Illinois...
Northwestern Logan County in central Illinois...
Northeastern Cass County in west central Illinois...
Southeastern Mason County in central Illinois...
* Until 600 PM CDT.
* At 516 PM CDT, a severe thunderstorm was located near Kilbourne, or
10 miles southeast of Havana, 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.
* Locations impacted include...
Mason City, Greenview, San Jose, Middletown, Easton, Kilbourne,
Oakford, New Holland, Poplar City, Atterberry and Sweetwater.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4005 9006 4029 9005 4031 8954 4000 8954
TIME...MOT...LOC 2216Z 266DEG 30KT 4017 8995
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
371 follow-up statement
184
WWUS53 KILX 032239
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
539 PM CDT Mon May 3 2021
ILC017-032249-
/O.CAN.KILX.SV.W.0013.000000T0000Z-210503T2300Z/
Cass-
539 PM CDT Mon May 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CASS COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central Illinois.
LAT...LON 4003 8981 4030 8982 4031 8954 4000 8954
TIME...MOT...LOC 2239Z 266DEG 30KT 4018 8970
$$
ILC107-125-129-032300-
/O.CON.KILX.SV.W.0013.000000T0000Z-210503T2300Z/
Menard-Logan-Mason-
539 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN MENARD...NORTHWESTERN LOGAN AND SOUTHEASTERN MASON
COUNTIES...
At 539 PM CDT, a severe thunderstorm was located over Mason City,
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.
Locations impacted include...
Mason City, Greenview, San Jose, Middletown, New Holland and
Sweetwater.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4003 8981 4030 8982 4031 8954 4000 8954
TIME...MOT...LOC 2239Z 266DEG 30KT 4018 8970
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
37The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 3:31 PM CDT | Special Weather Statement | ILX | Knox | 29 min |
| May 3, 3:59 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler | 46 min |
| May 3, 4:10 PM CDT | Special Weather Statement | ILX | Schuyler | 35 min |
| May 3, 4:30 PM CDT | Special Weather Statement | ILX | Fulton | 30 min |
| May 3, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon, Schuyler | 47 min |
| May 3, 4:50 PM CDT | Tornado Warning | ILX | Cass, Morgan | 25 min |
| May 3, 5:00 PM CDT | Special Weather Statement | ILX | Mason, Menard | 30 min |
| May 3, 5:08 PM CDT | Tornado Warning | ILX | Cass, Menard, Morgan, Sangamon | 37 min |
| May 3, 5:25 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 33 min |
| May 3, 5:30 PM CDT | Tornado Warning | ILX | Menard, Sangamon | 30 min |
| May 3, 5:52 PM CDT | Tornado Warning | ILX | Logan, Menard, Sangamon | 23 min |
| May 3, 6:02 PM CDT | Special Weather Statement | ILX | Logan | 43 min |
| May 3, 6:16 PM CDT | Tornado Warning | ILX | Christian, Logan, Macon, Sangamon | 29 min |
| May 3, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 53 min |
| May 3, 6:42 PM CDT | Tornado Warning | ILX | Macon | 33 min |
| May 3, 6:54 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 51 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.