Alert archive / Illinois / Tornado Warnings in 2020
Tornado Warning 19, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Jul 21, 2020, 5:25 PM CDT for Champaign County, Douglas County, Piatt County, Illinois. It was in force for 19 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 21, 2020, 5:25 PM CDT (22:25 UTC)
- Expired
- Jul 21, 2020, 5:44 PM CDT
- In force
- 19 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Champaign County, IL, Douglas County, IL, Piatt County, IL
The radar
The Lincoln radar (KILX), 73 km from the middle of the area, began a volume at 22:27 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 12:00Z, 10.4 hours before the alert went out and 29 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
- 474 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
936
WFUS53 KILX 212225
TORILX
ILC019-041-147-212300-
/O.NEW.KILX.TO.W.0019.200721T2225Z-200721T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
525 PM CDT Tue Jul 21 2020
The National Weather Service in Lincoln has issued a
* Tornado Warning for...
Southern Piatt County in central Illinois...
Southwestern Champaign County in east central Illinois...
Northwestern Douglas County in east central Illinois...
* Until 600 PM CDT.
* At 525 PM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located near
Hammond, or 13 miles south of Monticello, moving northeast at 40
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* These dangerous storms will be near...
Bement around 535 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Sadorus and Ivesdale.
This includes Interstate 57 between mile markers 221 and 222.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3980 8868 3984 8872 4011 8840 3991 8829
TIME...MOT...LOC 2225Z 233DEG 34KT 3983 8865
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
252 follow-up statements
806
WWUS53 KILX 212235
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
535 PM CDT Tue Jul 21 2020
ILC041-212244-
/O.CAN.KILX.TO.W.0019.000000T0000Z-200721T2300Z/
Douglas-
535 PM CDT Tue Jul 21 2020
...THE TORNADO WARNING FOR NORTHWESTERN DOUGLAS COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 3988 8843 3988 8846 3987 8846 3984 8860
3990 8865 4011 8840 3991 8829
TIME...MOT...LOC 2234Z 233DEG 34KT 3988 8856
$$
ILC019-147-212300-
/O.CON.KILX.TO.W.0019.000000T0000Z-200721T2300Z/
Piatt-Champaign-
535 PM CDT Tue Jul 21 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHEASTERN PIATT AND SOUTHWESTERN CHAMPAIGN COUNTIES...
At 534 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Bement, or 9 miles south of Monticello, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Piatt and southwestern Champaign Counties, including the
following locations... Sadorus and Ivesdale.
This includes Interstate 57 between mile markers 221 and 222.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3988 8843 3988 8846 3987 8846 3984 8860
3990 8865 4011 8840 3991 8829
TIME...MOT...LOC 2234Z 233DEG 34KT 3988 8856
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
25291
WWUS53 KILX 212244
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
544 PM CDT Tue Jul 21 2020
ILC019-147-212253-
/O.CAN.KILX.TO.W.0019.000000T0000Z-200721T2300Z/
Piatt-Champaign-
544 PM CDT Tue Jul 21 2020
...THE TORNADO WARNING FOR SOUTHEASTERN PIATT AND SOUTHWESTERN
CHAMPAIGN COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
Remember, a Severe Thunderstorm Warning still remains in effect for
Piatt and southwest Champaign counties until 600 PM.
LAT...LON 3988 8843 3988 8846 3987 8846 3984 8860
3990 8865 4011 8840 3991 8829
TIME...MOT...LOC 2242Z 233DEG 34KT 3993 8847
$$
25The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 10:27 AM CDT | Special Weather Statement | ILX | DeWitt, Piatt | 48 min |
| Jul 21, 10:48 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 42 min |
| Jul 21, 11:18 AM CDT | Special Weather Statement | ILX | Champaign, Vermilion | 57 min |
| Jul 21, 11:29 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 61 min |
| Jul 21, 12:16 PM CDT | Special Weather Statement | ILX | Coles | 44 min |
| Jul 21, 12:59 PM CDT | Special Weather Statement | ILX | Edgar | 46 min |
| Jul 21, 2:41 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Scott | 64 min |
| Jul 21, 3:12 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 48 min |
| Jul 21, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 45 min |
| Jul 21, 4:03 PM CDT | Tornado Warning | ILX | Sangamon | 27 min |
| Jul 21, 4:18 PM CDT | Tornado Warning | ILX | Christian, Sangamon | 27 min |
| Jul 21, 4:39 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon, Shelby | 44 min |
| Jul 21, 5:14 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Macon, Moultrie, Piatt, Shelby | 46 min |
| Jul 21, 5:55 PM CDT | Special Weather Statement | ILX | Champaign, Coles, Cumberland, Douglas, Edgar | 50 min |
| Jul 21, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 38 min |
Nearby
Tornado Warnings in Illinois, 2020Every tornado warning in 2020Tornadoes in 2020
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.