Alert archive / Illinois / Tornado Warnings in 2005

Tornado Warning 9, NWS Quad Cities, IA

June 8, 2005Henderson County, Mercer County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jun 8, 2005, 12:51 PM CDT for Henderson County, Mercer County, Illinois. It was in force for 56 min. 9 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: Jun 8, 2005, 12:51 PM CDT (17:51 UTC)
Expired: Jun 8, 2005, 1:47 PM CDT
In force: 56 min
Issued by: NWS Quad Cities, IA
Area: Counties, with a storm outline in the text

Counties Henderson County, IL, Mercer County, IL

The radar

The Quad Cities radar (KDVN), 74 km from the middle of the area, began a volume at 17:53 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
Jun 8, 12:54 PM CDT	TSTM WND DMG	Keithsburg, IL	LARGE TREES DOWN IN CITY
Jun 8, 12:57 PM CDT	TSTM WND GST 59	3 Sw Aledo, IL
Jun 8, 12:57 PM CDT	TSTM WND GST 60	Keithsburg, IL	WIND SUSTAINED FOR 5 MINUTES.
Jun 8, 1:02 PM CDT	TSTM WND DMG	3 N Bald Bluff, IL	TREES DOWN AN IRRIGATOR AND A BUILDING DAMAGED.
Jun 8, 1:10 PM CDT	TSTM WND DMG	Keithsburg, IL	LATE REPORT POWER LINES DOWN
Jun 8, 1:15 PM CDT	TSTM WND DMG	Stronghurst, IL	WIND DAMAGE TO A HOUSE.
Jun 8, 1:15 PM CDT	TSTM WND GST 52	Seaton, IL	43 TO 52 MPH WINDS AND VERY HEAVY RAIN.
Jun 8, 1:25 PM CDT	TSTM WND DMG	Stronghurst, IL	WIND DAMAGE TO A HOUSE.
Jun 8, 1:25 PM CDT	TSTM WND DMG	Stronghurst, IL	24 INCH DIAMETER TREES DOWNED.

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
Jun 8, 12:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 5.9 hours before the alert went out and 78 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: 546 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 1084 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 61 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 KDVN 081752
TORDVN
ILC071-131-081845-
/O.NEW.KDVN.TO.W.0009.050608T1751Z-050608T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1251 PM CDT WED JUN 8 2005

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  MERCER COUNTY IN NORTHWEST ILLINOIS
  HENDERSON COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 145 PM CDT

* AT 1249 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 9 MILES SOUTHWEST OF KEITHSBURG...OR ABOUT 10 MILES
  SOUTHEAST OF WAPELLO...MOVING NORTHEAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  KEITHSBURG AND NEW BOSTON BY 120 PM CDT
  6 MILES SOUTHEAST OF MANNON BY 135 PM CDT
  JOY AND 6 MILES NORTHWEST OF SEATON BY 140 PM CDT
  MILLERSBURG BY 145 PM CDT

THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM
OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING.

THIS STORM HAS ALREADY PRODUCED FUNNEL CLOUDS AND POSSIBLE TORNADOES 
IN DES MOINES COUNTY AND REMAINS A THREAT.

LAT...LON 4088 9105 4093 9096 4097 9094 4101 9096
      4110 9094 4117 9102 4128 9102 4131 9077
      4106 9080 4074 9080 4072 9106

$$

12

2 follow-up statements

000 
WWUS53 KDVN 081836
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
132 PM CDT WED JUN 8 2005

ILC071-131-081845-
/O.CON.KDVN.TO.W.0009.000000T0000Z-050608T1845Z/
MERCER IL-HENDERSON IL-
132 PM CDT WED JUN 8 2005

...A TORNADO WARNING CONTINUES UNTIL 145 PM CDT FOR NORTHERN 
HENDERSON AND MERCER COUNTIES...

AT 125 PM CDT...TRAINED SPOTTERS REPORTED A FUNNEL CLOUD REACHING 
NEAR THE GROUND NORTH OF THE ALEXIS AREA.  THIS TORNADO WAS LOCATED 
8 MILES EAST OF SEATON...OR ABOUT 7 MILES SOUTHEAST OF 
ALEDO...MOVING EAST AT 30 MPH.

THE SAFEST PLACE TO BE IN A TORNADO IS IN A BASEMENT OR INTERIOR ROOM
OR HALLWAY ON THE LOWEST FLOOR OF A BUILDING.

LAT...LON 4088 9105 4093 9096 4097 9094 4101 9096
      4110 9094 4117 9102 4128 9102 4131 9077
      4106 9080 4074 9080 4072 9106

$$

12

000 
WWUS53 KDVN 081847
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
147 PM CDT WED JUN 8 2005

ILC071-131-081857-
/O.EXP.KDVN.TO.W.0009.000000T0000Z-050608T1845Z/
MERCER IL-HENDERSON IL-
147 PM CDT WED JUN 8 2005

...THE TORNADO WARNING FOR NORTHERN HENDERSON COUNTY EXPIRED AT 
145 PM CDT...

THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING A TORNADO HAS
MOVED OUT OF THE WARNED AREA. THEREFORE THE TORNADO WARNING HAS BEEN
ALLOWED TO EXPIRE.

LAT...LON 4088 9105 4093 9096 4097 9094 4101 9096
      4110 9094 4117 9102 4128 9102 4131 9077
      4106 9080 4074 9080 4072 9106

$$

12

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 12:44 PM CDT	Severe Thunderstorm Warning	DVN	Henry	72 min
Jun 8, 1:01 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	65 min
Jun 8, 1:10 PM CDT	Severe Thunderstorm Warning	DVN	Warren	68 min
Jun 8, 1:27 PM CDT	Severe Thunderstorm Warning	DVN	McDonough	69 min
Jun 8, 1:38 PM CDT	Tornado Warning	DVN	Henry, Mercer	68 min
Jun 8, 1:49 PM CDT	Severe Thunderstorm Warning	DVN	Bureau	59 min
Jun 8, 3:07 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	49 min

Nearby

Tornado Warnings in Illinois, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.