Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 71, NWS Paducah, KY

October 18, 2004Pope County, Illinois

NWS Paducah, KY issued this tornado warning at Oct 18, 2004, 7:41 PM CDT for Pope County, Illinois. It was in force for 64 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: Oct 18, 2004, 7:41 PM CDT (00:41 UTC)
Expired: Oct 18, 2004, 8:45 PM CDT
In force: 64 min
Issued by: NWS Paducah, KY
Area: Counties, with a storm outline in the text

County Pope County, IL

The radar

The Paducah radar (KPAH), 56 km from the middle of the area, began a volume at 00:45 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
Oct 18, 8:10 PM CDT	TSTM WND DMG	Delwood, IL	TRAILER OVERTURNED.

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
Oct 18, 5:05 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.7 hours before the alert went out and 238 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: 501 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 558 m²/s²
0-3 km storm-relative helicity: 651 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 16.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KPAH 190041
TORPAH
ILC151-190145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
740 PM CDT MON OCT 18 2004

THE NATIONAL WEATHER SERVICE IN PADUCAH KENTUCKY HAS ISSUED A

* TORNADO WARNING FOR...
  POPE COUNTY IN SOUTHERN ILLINOIS

* UNTIL 845 PM CDT

* AT 740 PM CDT...DOPPLER RADAR CONTINUED TO SHOW VERY STRONG
  INDICATIONS OF A TORNADO 9 MILES WEST OF ABBOT...OR ABOUT 11 MILES
  SOUTH OF MARION...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE EDDYVILLE...DELWOOD...HARTSVILLE...
  HEROD...OAK...OLDTOWN AND WATKINS FORD

NOW IS THE TIME TO TAKE ACTION SEEK SHELTER...BY MOVING INTO A
BASEMENT...OR INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING.
ABANDON MOBILE HOMES AND VEHICLES. STAY AWAY FROM WINDOWS.

LAT...LON 3760 8871 3750 8871 3746 8842 3760 8842

$$

MY/RP

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 18, 7:09 PM CDT	Flash Flood Warning	PAH	Jackson	96 min
Oct 18, 7:22 PM CDT	Tornado Warning	PAH	Johnson	53 min
Oct 18, 7:41 PM CDT	Flash Flood Warning	PAH	Pope, Saline	3 hr
Oct 18, 7:44 PM CDT	Severe Thunderstorm Warning	PAH	Saline	61 min
Oct 18, 8:13 PM CDT	Tornado Warning	PAH	Hardin	62 min
Oct 18, 9:08 PM CDT	Severe Thunderstorm Warning	PAH	Franklin	22 min
Oct 18, 9:14 PM CDT	Flash Flood Warning	PAH	Franklin	2 hr

Nearby

Tornado Warnings in Illinois, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.