Alert archive / Illinois / Tornado Warnings in 2023
Tornado Warning 28, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Aug 6, 2023, 2:57 PM CDT for Adams County, Brown County, Illinois. It was in force for 63 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
- Aug 6, 2023, 2:57 PM CDT (19:57 UTC)
- Expired
- Aug 6, 2023, 4:00 PM CDT
- In force
- 63 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Adams County, IL, Brown County, IL
The radar
The Lincoln radar (KILX), 129 km from the middle of the area, began a volume at 19:58 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
Davenport, (KDVN), launched 12:00Z, 8.0 hours before the alert went out and 183 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
- 950 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
129
WFUS53 KLSX 061957
TORLSX
ILC001-009-062100-
/O.NEW.KLSX.TO.W.0028.230806T1957Z-230806T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
257 PM CDT Sun Aug 6 2023
The National Weather Service in St Louis has issued a
* Tornado Warning for...
East central Adams County in west central Illinois...
Northwestern Brown County in west central Illinois...
* Until 400 PM CDT.
* At 257 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Clayton, moving east at 15 mph.
HAZARD...Tornado and quarter size hail.
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.
* Locations impacted include...
Mount Sterling.
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.
&&
LAT...LON 3991 9070 3992 9101 4002 9102 4011 9084
4011 9078
TIME...MOT...LOC 1957Z 254DEG 11KT 3998 9094
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Carney1 follow-up statement
679
WWUS53 KLSX 062014
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
314 PM CDT Sun Aug 6 2023
ILC001-062023-
/O.CAN.KLSX.TO.W.0028.000000T0000Z-230806T2100Z/
Adams IL-
314 PM CDT Sun Aug 6 2023
...THE TORNADO WARNING FOR EAST CENTRAL ADAMS COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 3993 9071 3996 9092 3998 9092 4001 9091
4004 9084 4006 9076
TIME...MOT...LOC 2013Z 260DEG 11KT 3998 9087
$$
ILC009-062100-
/O.CON.KLSX.TO.W.0028.000000T0000Z-230806T2100Z/
Brown IL-
314 PM CDT Sun Aug 6 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
NORTHWESTERN BROWN COUNTY...
At 313 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Buckhorn, moving east at 15 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.
Locations impacted include...
Mount Sterling and Mound Station.
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.
&&
LAT...LON 3993 9071 3996 9092 3998 9092 4001 9091
4004 9084 4006 9076
TIME...MOT...LOC 2013Z 260DEG 11KT 3998 9087
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CarneyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 3:27 PM CDT | Tornado Warning | LSX | Brown | 48 min |
| Aug 6, 3:39 PM CDT | Tornado Warning | LSX | Adams | 34 min |
| Aug 6, 4:01 PM CDT | Areal Flood Advisory | LSX | Adams, Brown | 3 hr |
| Aug 6, 4:33 PM CDT | Tornado Warning | LSX | Brown | 13 min |
| Aug 6, 6:12 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 48 min |
| Aug 6, 6:36 PM CDT | Tornado Warning | LSX | Fayette | 39 min |
| Aug 6, 6:48 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 57 min |
| Aug 6, 6:51 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 24 min |
Nearby
Tornado Warnings in Illinois, 2023Every tornado warning in 2023Tornadoes in 2023
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.