Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 66, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 26, 2021, 5:16 PM CDT for 4 counties in Illinois. It was in force for 44 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 26, 2021, 5:16 PM CDT (22:16 UTC)
- Expired
- Jun 26, 2021, 6:00 PM CDT
- In force
- 44 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Champaign County, IL, DeWitt County, IL, McLean County, IL, Piatt County, IL
The radar
The Lincoln radar (KILX), 91 km from the middle of the area, began a volume at 22:17 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 5:30 PM CDT | TSTM WND DMG | Rantoul, IL | 8 INCH DIAMETER TREE BRANCH SNAPPED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 26, 12:05 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.3 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
- 683 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 684 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
As transmitted.
551
WUUS53 KILX 262216
SVRILX
ILC019-039-113-147-262300-
/O.NEW.KILX.SV.W.0066.210626T2216Z-210626T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
516 PM CDT Sat Jun 26 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northeastern Piatt County in central Illinois...
Northeastern De Witt County in central Illinois...
Southeastern McLean County in central Illinois...
Champaign County in east central Illinois...
* Until 600 PM CDT.
* At 515 PM CDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Farmer City to Mahomet to near
Seymour, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Tolono and Lake Of The Woods around 520 PM CDT.
Champaign, Urbana and Savoy around 525 PM CDT.
Fisher, Philo and Thomasboro around 530 PM CDT.
Rantoul, St. Joseph and Sidney around 535 PM CDT.
Other locations in the path of these severe thunderstorms include
Homer, Gifford and Ogden.
This includes the following highways...
Interstate 57 between mile markers 226 and 257.
Interstate 72 between mile markers 173 and 182.
Interstate 74 between mile markers 165 and 197.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CDT for central and
east central Illinois.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4001 8794 3998 8847 4018 8848 4032 8864
4040 8846 4040 8794
TIME...MOT...LOC 2215Z 252DEG 51KT 4031 8857 4019 8843 4002 8839
HAIL...0.88IN
WIND...60MPH
$$
Barnes2 follow-up statements
010 WWUS53 KILX 262230 SVSILX Severe Weather Statement National Weather Service Lincoln IL 530 PM CDT Sat Jun 26 2021 ILC039-113-147-262239- /O.CAN.KILX.SV.W.0066.000000T0000Z-210626T2300Z/ Piatt-De Witt-McLean- 530 PM CDT Sat Jun 26 2021 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIATT... NORTHEASTERN DE WITT AND SOUTHEASTERN MCLEAN COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 700 PM CDT for central and east central Illinois. LAT...LON 4001 8794 3998 8846 4040 8846 4040 8794 TIME...MOT...LOC 2229Z 252DEG 51KT 4036 8836 4024 8822 4007 8818 $$ ILC019-262300- /O.CON.KILX.SV.W.0066.000000T0000Z-210626T2300Z/ Champaign- 530 PM CDT Sat Jun 26 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR CHAMPAIGN COUNTY... At 529 PM CDT, severe thunderstorms were located along a line extending from near Fisher to Thomasboro to near Urbana, moving east at 45 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Rantoul and St. Joseph around 535 PM CDT. Other locations in the path of these severe thunderstorms include Homer, Gifford and Ogden. This includes the following highways... Interstate 57 between mile markers 226 and 257. Interstate 72 between mile markers 174 and 182. Interstate 74 between mile markers 169 and 197. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 700 PM CDT for central and east central Illinois. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4001 8794 3998 8846 4040 8846 4040 8794 TIME...MOT...LOC 2229Z 252DEG 51KT 4036 8836 4024 8822 4007 8818 HAIL...0.88IN WIND...60MPH $$ Barnes
417
WWUS53 KILX 262256
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
556 PM CDT Sat Jun 26 2021
ILC019-262306-
/O.EXP.KILX.SV.W.0066.000000T0000Z-210626T2300Z/
Champaign-
556 PM CDT Sat Jun 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR CHAMPAIGN COUNTY WILL EXPIRE
AT 600 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
A Tornado Watch remains in effect until 700 PM CDT for central and
east central Illinois.
LAT...LON 4001 8794 3998 8846 4040 8846 4040 8794
TIME...MOT...LOC 2256Z 252DEG 51KT 4047 8793 4035 8779 4018 8775
$$
BarnesThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:21 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Tazewell | 39 min |
| Jun 25, 7:33 PM CDT | Special Weather Statement | ILX | McLean | 42 min |
| Jun 25, 7:38 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 67 min |
| Jun 25, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Tazewell | 67 min |
| Jun 25, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 44 min |
| Jun 25, 8:29 PM CDT | Tornado Warning | ILX | McLean | 30 min |
| Jun 25, 8:49 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean, Macon, Piatt | 41 min |
| Jun 25, 8:54 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Mason, Tazewell | 6 hr |
| Jun 25, 9:05 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Menard, Tazewell | 25 min |
| Jun 25, 9:47 PM CDT | Flash Flood Warning | ILX | Morgan, Scott | 6 hr |
| Jun 25, 9:59 PM CDT | Flash Flood Warning | ILX | DeWitt, McLean, Piatt | 5 hr |
| Jun 25, 10:18 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, DeWitt, Douglas, Macon, Moultrie and 1 more | 27 min |
| Jun 26, 2:34 AM CDT | Areal Flood Warning | ILX | DeWitt, Logan, McLean, Mason, Piatt, Tazewell | 61 hr |
| Jun 26, 6:03 AM CDT | River Flood Warning | ILX | Piatt | 8 days |
| Jun 26, 9:44 AM CDT | River Flood Warning | ILX | Mason, Menard | 4 days |
| Jun 26, 12:21 PM CDT | Tornado Warning | ILX | McLean | 24 min |
| Jun 26, 1:24 PM CDT | Tornado Warning | ILX | Morgan, Scott | 36 min |
| Jun 26, 1:53 PM CDT | Tornado Warning | ILX | Morgan | 37 min |
| Jun 26, 2:17 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 28 min |
| Jun 26, 2:38 PM CDT | Tornado Warning | ILX | McLean, Woodford | 37 min |
| Jun 26, 3:12 PM CDT | Tornado Warning | ILX | McLean | 33 min |
| Jun 26, 3:19 PM CDT | Tornado Warning | ILX | Logan, Sangamon | 26 min |
| Jun 26, 3:25 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Macon, Mason, Menard and 3 more | 4 hr |
| Jun 26, 3:33 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 27 min |
| Jun 26, 3:37 PM CDT | Tornado Warning | ILX | McLean | 23 min |
| Jun 26, 3:39 PM CDT | Tornado Warning | ILX | Logan, Sangamon | 36 min |
| Jun 26, 4:04 PM CDT | Tornado Warning | ILX | DeWitt | 26 min |
| Jun 26, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 32 min |
| Jun 26, 5:47 PM CDT | Tornado Warning | ILX | Douglas, Moultrie, Piatt | 43 min |
| Jun 26, 5:50 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 40 min |
| Jun 26, 6:03 PM CDT | Tornado Warning | ILX | Champaign, Douglas | 27 min |
| Jun 26, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 81 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.