Alert archive / Illinois / Tornado Warnings in 2009

Tornado Warning 32, NWS Lincoln, IL

August 4, 2009Crawford County, Illinois

NWS Lincoln, IL issued this tornado warning at Aug 4, 2009, 10:32 AM CDT for Crawford County, Illinois. It was in force for 43 min. 3 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: Aug 4, 2009, 10:32 AM CDT (15:32 UTC)
Expired: Aug 4, 2009, 11:15 AM CDT
In force: 43 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County Crawford County, IL

The radar

The Evansville,IN radar (KVWX), 90 km from the middle of the area, began a volume at 15:31 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

Time	Report	Where	Remark
Aug 4, 10:35 AM CDT	TSTM WND DMG	2 E Bellair, IL	TREES DOWN ALONG E 2000TH AVE FROM BELLAIR TO ANNAPOLIS
Aug 4, 10:45 AM CDT	TSTM WND DMG	Robinson, IL	LARGE TREE LIMBS DOWN
Aug 4, 10:50 AM CDT	TSTM WND DMG	Hutsonville, IL	LARGE OF LIMBS AND DEBRIS BLOWN DOWN ACROSS TOWN. FROM SWOP OBERVER.

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.

Issued	Product	Office	Lasted
Aug 4, 7:39 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 3.5 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4654 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 596 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 041532
TORILX
ILC033-041615-
/O.NEW.KILX.TO.W.0032.090804T1532Z-090804T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1032 AM CDT TUE AUG 4 2009

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 1115 AM CDT.

* AT 1030 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE
  WINDS AND BRIEF RAIN-WRAPPED TORNADOES. THIS DANGEROUS STORM WAS
  LOCATED NEAR ANNAPOLIS...OR 14 MILES NORTHWEST OF ROBINSON...AND
  MOVING SOUTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANNAPOLIS...
  EATON...
  TRIMBLE...
  HUTSONVILLE...
  WEST YORK...
  ROBINSON...
  ROBINSON MUNICIPAL AIRPORT...
  PALESTINE...

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 3890 8753 3886 8756 3913 8793 3917 8793
      3918 8791 3918 8776 3918 8767 3916 8765
      3915 8766 3912 8766 3906 8758 3900 8758
      3896 8753
TIME...MOT...LOC 1532Z 297DEG 40KT 3916 8787

$$

BARKER

2 follow-up statements

000 
WWUS53 KILX 041548
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1048 AM CDT TUE AUG 4 2009

ILC033-041615-
/O.CON.KILX.TO.W.0032.000000T0000Z-090804T1615Z/
CRAWFORD IL-
1048 AM CDT TUE AUG 4 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT FOR NORTHERN
CRAWFORD COUNTY...

AT 1047 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES. THIS TORNADO WAS LOCATED NEAR
HUTSONVILLE...OR 7 MILES NORTH OF ROBINSON...MOVING SOUTHEAST AT 40
MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...TRIMBLE...PALESTINE
AND ROBINSON MUNICIPAL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
LARGE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3890 8753 3886 8756 3913 8793 3917 8793
      3918 8791 3918 8776 3918 8767 3916 8765
      3915 8766 3912 8766 3906 8758 3900 8758
      3896 8753
TIME...MOT...LOC 1548Z 305DEG 34KT 3910 8772

$$

BARKER

000 
WWUS53 KILX 041610
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1110 AM CDT TUE AUG 4 2009

ILC033-041620-
/O.EXP.KILX.TO.W.0032.000000T0000Z-090804T1615Z/
CRAWFORD IL-
1110 AM CDT TUE AUG 4 2009

...THE TORNADO WARNING FOR NORTHERN CRAWFORD COUNTY EXPIRES AT 1115
AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 PM CDT.

LAT...LON 3890 8753 3886 8756 3913 8793 3917 8793
      3918 8791 3918 8776 3918 8767 3916 8765
      3915 8766 3912 8766 3906 8758 3900 8758
      3896 8753
TIME...MOT...LOC 1610Z 305DEG 34KT 3898 8750

$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 12:05 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	32 min
Aug 4, 6:17 AM CDT	Special Weather Statement	ILX	McLean	28 min
Aug 4, 7:07 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Schuyler	38 min
Aug 4, 7:41 AM CDT	Special Weather Statement	ILX	Vermilion	34 min
Aug 4, 7:42 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Menard, Schuyler	48 min
Aug 4, 7:53 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	56 min
Aug 4, 8:11 AM CDT	Severe Thunderstorm Warning	ILX	Fulton, Logan, McLean, Mason, Menard, Sangamon and 1 more	55 min
Aug 4, 8:19 AM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Marshall, Peoria, Stark, Tazewell	41 min
Aug 4, 8:29 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Menard, Sangamon	52 min
Aug 4, 8:37 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Peoria, Tazewell, Woodford	38 min
Aug 4, 8:43 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Macon, Piatt	47 min
Aug 4, 8:53 AM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	67 min
Aug 4, 9:13 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Woodford	23 min
Aug 4, 9:24 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	51 min
Aug 4, 9:31 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Piatt	15 min
Aug 4, 9:34 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Jasper	26 min
Aug 4, 9:52 AM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	53 min
Aug 4, 9:57 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Crawford, Cumberland, Effingham, Jasper and 1 more	63 min

Nearby

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