Alert archive / Illinois / Tornado Warnings in 2025
Tornado Warning 45, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 20, 2025, 6:49 PM CDT for Adams County, Illinois. It was in force for 41 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
- Apr 20, 2025, 6:49 PM CDT (23:49 UTC)
- Expired
- Apr 20, 2025, 7:30 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Adams County, IL
The radar
The St Louis radar (KLSX), 137 km from the middle of the area, began a volume at 23:47 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 |
|---|---|---|---|
| Apr 20, 6:51 PM CDT | TSTM WND DMG | 1 Ne Fall Creek, IL | Several trees snapped or uprooted. |
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 |
|---|---|---|---|
| Apr 20, 3:41 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.8 hours before the alert went out and 202 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
- 1408 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
289
WFUS53 KLSX 202349
TORLSX
ILC001-210030-
/O.NEW.KLSX.TO.W.0045.250420T2349Z-250421T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
649 PM CDT Sun Apr 20 2025
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southern Adams County in west central Illinois...
* Until 730 PM CDT.
* At 649 PM CDT, a severe thunderstorm capable of producing a
tornado was located over Fall Creek, or 8 miles northeast of
Hannibal, moving northeast at 50 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 tornado will be near...
Fall Creek around 650 PM CDT.
Payson around 655 PM CDT.
Other locations impacted by the tornado include Marblehead,
Plainville, Adams, Richfield, Burton, Liberty, Columbus and
Kellerville.
This includes the following State Parks...
Siloam Springs State Park.
This includes the following highways...
Interstate 72 near exit 4.
Interstate 172 between exits 2 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from 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.
&&
LAT...LON 4011 9091 3993 9091 3991 9092 3986 9092
3976 9125 3976 9135 3977 9137 3979 9136
3981 9138 3983 9141 3985 9143
TIME...MOT...LOC 2349Z 239DEG 41KT 3980 9132
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
192 follow-up statements
755
WWUS53 KLSX 210005
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
705 PM CDT Sun Apr 20 2025
ILC001-210030-
/O.CON.KLSX.TO.W.0045.000000T0000Z-250421T0030Z/
Adams IL-
705 PM CDT Sun Apr 20 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN ADAMS COUNTY...
At 705 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles southeast of Quincy Regional Airport, moving
northeast at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Other locations impacted by the tornado include Liberty, Columbus
and Kellerville.
This includes the following State Parks...
Siloam Springs State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3991 9092 3986 9092 3983 9103 3986 9110
3999 9116 4011 9091 3993 9091 3992 9092
TIME...MOT...LOC 2349Z 239DEG 41KT 3980 9131
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
19461
WWUS53 KLSX 210021
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
721 PM CDT Sun Apr 20 2025
ILC001-210031-
/O.EXP.KLSX.TO.W.0045.000000T0000Z-250421T0030Z/
Adams IL-
721 PM CDT Sun Apr 20 2025
...TORNADO WARNING WILL EXPIRE AT 730 PM CDT FOR SOUTHEASTERN ADAMS
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However, gusty
winds are still possible with this thunderstorm.
A Tornado Watch remains in effect until 1100 PM CDT for a portion of
west central Illinois.
&&
LAT...LON 3991 9092 3986 9092 3983 9103 3986 9110
3999 9116 4011 9091 3993 9091 3992 9092
TIME...MOT...LOC 0005Z 239DEG 41KT 3989 9111
$$
19The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 6:11 PM CDT | Tornado Warning | LSX | Pike | 49 min |
| Apr 20, 6:15 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 60 min |
| Apr 20, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Brown, Calhoun, Pike | 63 min |
| Apr 20, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Madison | 64 min |
| Apr 20, 6:56 PM CDT | Tornado Warning | LSX | Brown, Pike | 28 min |
| Apr 20, 6:58 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 62 min |
Nearby
Tornado Warnings in Illinois, 2025Every tornado warning in 2025Tornadoes in 2025
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.