Alert archive / Illinois / Tornado Warnings in 2009

Tornado Warning 29, NWS Lincoln, IL

July 8, 2009Fulton County, Knox County, Peoria County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 8, 2009, 4:15 PM CDT for Fulton County, Knox County, Peoria County, Illinois. It was in force for 45 min. 2 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
Jul 8, 2009, 4:15 PM CDT (21:15 UTC)
Expired
Jul 8, 2009, 5:00 PM CDT
In force
45 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

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

The radar

The Lincoln radar (KILX), 73 km from the middle of the area, began a volume at 21:16 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
Jul 8, 4:33 PM CDTFUNNEL CLOUD1 S Farmington, ILREPORT RECEIVED FROM NWS CHICAGO WEATHER SPOTTER IN THE AREA.
Jul 8, 4:55 PM CDTTORNADO3 Nw Glasford, ILBRIEF TOUCHDOWN REPORTED BY PEORIA COUNTY SHERIFFS DEPUTY NEAR THE GLASFORD-CANTON BLACKTOP.

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, 9.3 hours before the alert went out and 119 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 2009-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 114 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 2009-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
114 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KILX 082115
TORILX
ILC057-095-143-082200-
/O.NEW.KILX.TO.W.0029.090708T2115Z-090708T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
415 PM CDT WED JUL 8 2009

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN FULTON COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHEASTERN KNOX COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHWESTERN PEORIA COUNTY IN CENTRAL ILLINOIS...

* UNTIL 500 PM CDT.

* AT 414 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR FARMINGTON...OR 12 MILES NORTH OF CANTON...
  AND MOVING SOUTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FARMINGTON...
  TRIVOLI...
  SMITHVILLE...
  HANNA CITY...
  GLASFORD...
  BANNER...

OTHER LOCATIONS IN THE WARNING INCLUDE...MIDDLE GROVE AND YATES CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED...IT MEANS THAT STRONG ROTATION HAS
BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...
OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS
DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE
BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER
UNDER A HIGHWAY OVERPASS.

&&

LAT...LON 4063 8965 4050 8991 4074 9012 4081 9004
TIME...MOT...LOC 2115Z 309DEG 13KT 4074 9001

$$

BARNES
2 follow-up statements
000 
WWUS53 KILX 082137
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
437 PM CDT WED JUL 8 2009

ILC095-082147-
/O.CAN.KILX.TO.W.0029.000000T0000Z-090708T2200Z/
KNOX IL-
437 PM CDT WED JUL 8 2009

...THE TORNADO WARNING FOR SOUTHEASTERN KNOX COUNTY IS CANCELLED...

LAT...LON 4067 9002 4073 8992 4063 8965 4050 8991
TIME...MOT...LOC 2137Z 309DEG 13KT 4069 8993

$$

ILC057-143-082200-
/O.CON.KILX.TO.W.0029.000000T0000Z-090708T2200Z/
FULTON IL-PEORIA IL-
437 PM CDT WED JUL 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHWESTERN PEORIA AND EASTERN FULTON COUNTIES...

AT 437 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR TRIVOLI...OR 11 MILES
NORTHEAST OF CANTON...MOVING SOUTHEAST AT 15 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...TRIVOLI...
SMITHVILLE...GLASFORD AND BANNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

&&

LAT...LON 4067 9002 4073 8992 4063 8965 4050 8991
TIME...MOT...LOC 2137Z 309DEG 13KT 4069 8993

$$

BARNES
000 
WWUS53 KILX 082158
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
458 PM CDT WED JUL 8 2009

ILC057-143-082207-
/O.EXP.KILX.TO.W.0029.000000T0000Z-090708T2200Z/
FULTON IL-PEORIA IL-
458 PM CDT WED JUL 8 2009

...THE TORNADO WARNING FOR SOUTHWESTERN PEORIA AND NORTHEASTERN
FULTON COUNTIES EXPIRES AT 500 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

LAT...LON 4067 9002 4073 8992 4063 8965 4050 8991
TIME...MOT...LOC 2157Z 309DEG 13KT 4064 8985

$$

BARNES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:23 PM CDTSpecial Weather StatementILXMason52 min
Jul 8, 3:29 PM CDTSpecial Weather StatementILXCumberland61 min
Jul 8, 3:37 PM CDTAreal Flood AdvisoryILXColes, Cumberland, Moultrie4 hr
Jul 8, 4:23 PM CDTTornado WarningILXMason52 min
Jul 8, 5:05 PM CDTAreal Flood AdvisoryILXCrawford, Jasper, Lawrence, Richland5 hr
Jul 8, 5:07 PM CDTTornado WarningILXLogan, Mason, Menard38 min

Nearby

Tornado Warnings in Illinois, 2009Every tornado warning in 2009Tornadoes in 2009

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.