Alert archive / Illinois / Tornado Warnings in 2018

Tornado Warning 12, NWS Lincoln, IL

August 16, 2018Fulton County, Illinois

NWS Lincoln, IL issued this tornado warning at Aug 16, 2018, 4:39 PM CDT for Fulton County, Illinois. It was in force for 36 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
Aug 16, 2018, 4:39 PM CDT (21:39 UTC)
Expired
Aug 16, 2018, 5:15 PM CDT
In force
36 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Fulton County, IL

The radar

The Lincoln radar (KILX), 72 km from the middle of the area, began a volume at 21:41 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
Aug 16, 5:00 PM CDTFUNNEL CLOUDN Lewistown, ILFUNNEL SIGHTED, REPEATEDLY LOWERING TOWARD GROUND.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.7 hours before the alert went out and 132 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, Lincoln, IL at 12:00Z on 2018-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 548 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, Lincoln, IL at 12:00Z on 2018-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
548 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

291 
WFUS53 KILX 162139
TORILX
ILC057-162215-
/O.NEW.KILX.TO.W.0012.180816T2139Z-180816T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
439 PM CDT THU AUG 16 2018

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Central Fulton County in west central Illinois...

* Until 515 PM CDT.
    
* At 439 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Cuba, or 7 miles northwest of Lewistown, moving
  southeast 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.

* This dangerous storm will be near...
  Cuba around 450 PM CDT.
  Lewistown around 505 PM CDT.
  St. David around 510 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Bryant, Smithfield, Liverpool, Little America and Dunfermline.

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 4054 9028 4048 8994 4038 9001 4037 9004
      4035 9005 4034 9005 4032 9006 4043 9034
TIME...MOT...LOC 2139Z 293DEG 15KT 4047 9025 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Auten
2 follow-up statements
094 
WWUS53 KILX 162202
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
502 PM CDT THU AUG 16 2018

ILC057-162215-
/O.CON.KILX.TO.W.0012.000000T0000Z-180816T2215Z/
Fulton-
502 PM CDT THU AUG 16 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR CENTRAL
FULTON COUNTY...
        
At 501 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lewistown, moving southeast at 20 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Weather spotters reported a funnel cloud with strong 
         rotation north of Lewistown.

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
central Fulton County, including the following locations... Bryant,
Liverpool and Little America.

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 4050 9018 4044 8997 4038 9001 4037 9004
      4035 9005 4034 9005 4032 9006 4040 9023
TIME...MOT...LOC 2201Z 299DEG 15KT 4041 9014 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Auten
139 
WWUS53 KILX 162213
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
513 PM CDT THU AUG 16 2018

ILC057-162223-
/O.EXP.KILX.TO.W.0012.000000T0000Z-180816T2215Z/
Fulton-
513 PM CDT THU AUG 16 2018

...THE TORNADO WARNING FOR CENTRAL FULTON COUNTY WILL EXPIRE AT 515
PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 4050 9018 4044 8997 4038 9001 4037 9004
      4035 9005 4034 9005 4032 9006 4040 9023
TIME...MOT...LOC 2213Z 293DEG 15KT 4039 9009 

$$

Auten

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 3:20 AM CDTDense Fog AdvisoryILXCass, Fulton, Knox, Marshall, Mason, Menard and 5 more6 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.