Alert archive / Illinois / Tornado Warnings in 2018

Tornado Warning 8, NWS Lincoln, IL

June 21, 2018Fulton County, Knox County, Peoria County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 21, 2018, 1:00 PM CDT for Fulton County, Knox County, Peoria County, Illinois. It was in force for 30 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 21, 2018, 1:00 PM CDT (18:00 UTC)
Expired
Jun 21, 2018, 1:30 PM CDT
In force
30 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

Counties Fulton County, IL, Knox County, IL, Peoria County, IL

The radar

The Quad Cities radar (KDVN), 86 km from the middle of the area, began a volume at 18:02 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
Jun 21, 1:35 PM CDTFUNNEL CLOUD4 Nw Brimfield, ILA BRIEF HIGH-BASED FUNNEL CLOUD WAS REPORTED NEAR BRIMFIELD. QUICKLY OBSCURED BY RAIN. REPORT VIA SPOTTERNETWORK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 6.0 hours before the alert went out and 83 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 12:00Z on 2018-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 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 12:00Z on 2018-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
263 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
469 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

009 
WFUS53 KILX 211800
TORILX
ILC057-095-143-211830-
/O.NEW.KILX.TO.W.0008.180621T1800Z-180621T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
100 PM CDT THU JUN 21 2018

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northeastern Fulton County in west central Illinois...
  Knox County in west central Illinois...
  Western Peoria County in central Illinois...

* Until 130 PM CDT

* At 1259 PM CDT, tornado producing storms were located along a line
  extending from near Wataga to near Trivoli, moving northeast at 25
  mph.

  HAZARD...Tornado. 

  SOURCE...Law enforcement confirmed tornado. 

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

* These tornadic storms will be near...
  Elmwood and Trivoli around 105 PM CDT. 
  Hanna City and Oneida around 115 PM CDT. 
  Brimfield around 120 PM CDT. 
  Altona and Victoria around 125 PM CDT. 
  Dunlap around 130 PM CDT. 

Other locations impacted by these tornadic storms include Snake Den
Hollow, Norris, Banner, Smithville, Monica, Kickapoo, Dahinda, East
Galesburg, Middle Grove and Henderson.

This includes Interstate 74 between mile markers 34 and 83.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 line 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 4115 8999 4098 8999 4097 8974 4089 8964
      4050 8990 4096 9045 4115 9044
TIME...MOT...LOC 1759Z 233DEG 20KT 4103 9033 4071 8994 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Barker
2 follow-up statements
488 
WWUS53 KILX 211815
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
115 PM CDT THU JUN 21 2018

ILC057-095-143-211830-
/O.CON.KILX.TO.W.0008.000000T0000Z-180621T1830Z/
Fulton-Knox-Peoria-
115 PM CDT THU JUN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR
NORTHEASTERN FULTON...KNOX AND WESTERN PEORIA COUNTIES...
    
At 115 PM CDT, tornado producing storms were located along a line
extending from Oneida to near Trivoli, moving northeast at 25 mph.

HAZARD...TORNADO. 

SOURCE...Law enforcement confirmed tornado. 

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

These tornadic storms will be near...
  Hanna City around 120 PM CDT. 
  Brimfield around 125 PM CDT. 
  Dunlap, Altona and Victoria around 130 PM CDT. 

Other locations impacted by these tornadic storms include Snake Den
Hollow, Norris, Banner, Smithville, Monica, Kickapoo, Dahinda, East
Galesburg, Middle Grove and Henderson.

This includes Interstate 74 between mile markers 34 and 83.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 line 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 4115 8999 4098 8999 4097 8974 4089 8964
      4050 8990 4096 9045 4115 9044
TIME...MOT...LOC 1815Z 233DEG 20KT 4107 9026 4075 8987 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Barker
902 
WWUS53 KILX 211830
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
130 PM CDT THU JUN 21 2018

ILC057-095-143-211840-
/O.EXP.KILX.TO.W.0008.000000T0000Z-180621T1830Z/
Fulton-Knox-Peoria-
130 PM CDT THU JUN 21 2018

...THE TORNADO WARNING FOR NORTHEASTERN FULTON...KNOX AND WESTERN
PEORIA COUNTIES HAS EXPIRED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer appear capable of producing a tornado.
Therefore the warning has been allowed to expire.

LAT...LON 4115 8999 4098 8999 4097 8974 4089 8964
      4050 8990 4096 9045 4115 9044
TIME...MOT...LOC 1830Z 233DEG 20KT 4111 9018 4079 8979 

$$

Barker

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 7:16 PM CDTFlash Flood WarningILXFulton, Schuyler6 hr
Jun 20, 7:26 PM CDTSpecial Weather StatementILXScott49 min
Jun 20, 7:36 PM CDTSevere Thunderstorm WarningILXMorgan, Scott24 min
Jun 20, 7:57 PM CDTSpecial Weather StatementILXCass, Morgan48 min
Jun 20, 8:10 PM CDTAreal Flood AdvisoryILXPeoria, Tazewell3 hr
Jun 20, 8:28 PM CDTAreal Flood AdvisoryILXVermilion3 hr
Jun 20, 8:41 PM CDTFlash Flood WarningILXFulton, Peoria, Tazewell, Woodford6 hr
Jun 21, 12:04 PM CDTSpecial Weather StatementILXLogan41 min
Jun 21, 12:14 PM CDTSpecial Weather StatementILXFulton, Knox, Marshall, Mason, Peoria, Stark and 2 more4 hr
Jun 21, 12:35 PM CDTTornado WarningILXKnox25 min
Jun 21, 2:50 PM CDTSpecial Weather StatementILXLogan40 min
Jun 21, 4:10 PM CDTFlash Flood WarningILXMarshall, Tazewell, Woodford11 hr

Nearby

Tornado Warnings in Illinois, 2018Every tornado warning in 2018Tornadoes in 2018

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.