Alert archive / Illinois / Tornado Warnings in 2022

Tornado Warning 10, NWS St. Louis, MO

September 18, 2022Adams County, Illinois

NWS St. Louis, MO issued this tornado warning at Sep 18, 2022, 9:56 PM CDT for Adams County, Illinois. It was in force for 36 min. 5 reports 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
Sep 18, 2022, 9:56 PM CDT (02:56 UTC)
Expired
Sep 18, 2022, 10:32 PM CDT
In force
36 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 Lincoln radar (KILX), 147 km from the middle of the area, began a volume at 02:57 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

TimeReportWhereRemark
Sep 18, 10:00 PM CDTTSTM WND DMGLoraine, ILMANY TREES DOWN. ESTIMATED 70 TO 80 MPH WINDS.
Sep 18, 10:17 PM CDTTSTM WND DMG1 Wsw Camp Point, ILTWISTED TREE TOPS JUST SOUTH OF US ROUTE 24. TIME ESTIMATED FROM RADAR.
Sep 18, 10:25 PM CDTTSTM WND DMGGolden, ILCORRECTS PREVIOUS TSTM WND DMG REPORT FROM GOLDEN. NUMEROUS BRANCHES DOWN, CORN FLATTENED, AND WIDESPREAD POWER OUTAGES. ONE TREE FELL ONTO A HOUSE.
Sep 18, 10:25 PM CDTTSTM WND DMGGolden, ILLARGE PINE TREE UPROOTED.
Sep 18, 10:30 PM CDTTSTM WND DMGCamp Point, ILPOWER LINES DOWN.

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.

IssuedProductOfficeLasted
Sep 18, 6:11 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.9 hours before the alert went out and 181 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2022-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2099 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2022-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2099 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1026 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.1

Open this sounding in Storm Lab

The text

As transmitted.

846 
WFUS53 KLSX 190256
TORLSX
ILC001-190345-
/O.NEW.KLSX.TO.W.0010.220919T0256Z-220919T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
956 PM CDT Sun Sep 18 2022

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northeastern Adams County in west central Illinois...

* Until 1045 PM CDT.

* At 956 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Mendon, moving southeast at 35 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Weather spotters reported funnel cloud north of Lima in 
           Hancock County.

  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 dangerous storm will be near...
  Mendon around 1000 PM CDT.
  Golden around 1015 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Camp Point and Clayton.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4019 9105 4010 9091 3991 9091 3990 9092
      3986 9116 4020 9145
TIME...MOT...LOC 0256Z 319DEG 31KT 4017 9126 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

MRM
3 follow-up statements
332 
WWUS53 KLSX 190311
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1011 PM CDT Sun Sep 18 2022

ILC001-190345-
/O.CON.KLSX.TO.W.0010.000000T0000Z-220919T0345Z/
Adams IL-
1011 PM CDT Sun Sep 18 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN ADAMS COUNTY...
        
At 1010 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Camp Point, moving southeast at 40 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Trained spotters reported a funnel cloud northwest Camp 
         Point.

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 dangerous storm will be near...
  Golden around 1015 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Camp Point, Quincy Regional Airport and Clayton.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4019 9105 4010 9091 3991 9091 3990 9092
      3986 9116 3998 9126 4019 9125
TIME...MOT...LOC 0310Z 329DEG 33KT 4009 9115 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

MRM
809 
WWUS53 KLSX 190325
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1025 PM CDT Sun Sep 18 2022

ILC001-190345-
/O.CON.KLSX.TO.W.0010.000000T0000Z-220919T0345Z/
Adams IL-
1025 PM CDT Sun Sep 18 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN ADAMS COUNTY...
    
At 1025 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Camp Point, moving southeast at 35 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.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Adams County, including the following locations...
Coatsburg, Columbus, Liberty, La Prairie, Chatton and Kellerville.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4017 9102 4010 9091 3991 9091 3990 9092
      3986 9116 3996 9124 4016 9109
TIME...MOT...LOC 0325Z 319DEG 31KT 3999 9103 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

MRM
736 
WWUS53 KLSX 190332
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1032 PM CDT Sun Sep 18 2022

ILC001-190342-
/O.CAN.KLSX.TO.W.0010.000000T0000Z-220919T0345Z/
Adams IL-
1032 PM CDT Sun Sep 18 2022

...THE TORNADO WARNING FOR NORTHEASTERN ADAMS COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until midnight CDT for west central
Illinois.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
west central Illinois.

LAT...LON 4017 9102 4010 9091 3991 9091 3990 9092
      3986 9116 3996 9124 4016 9109
TIME...MOT...LOC 0331Z 319DEG 31KT 3995 9097 

$$

MRM

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 9:52 PM CDTSevere Thunderstorm WarningLSXAdams53 min
Sep 18, 10:01 PM CDTSevere Thunderstorm WarningLSXAdams32 min
Sep 18, 10:32 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXAdams, Brown, Pike58 min
Sep 18, 10:55 PM CDTSevere Thunderstorm WarningLSXAdams, Pike50 min
Sep 19, 12:36 AM CDTSevere Thunderstorm WarningLSXBrown24 min
Sep 19, 1:47 AM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery43 min

Nearby

Tornado Warnings in Illinois, 2022Every tornado warning in 2022Tornadoes in 2022

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.