Alert archive / Missouri / Tornado Warnings in 2004

Tornado Warning 65, NWS St. Louis, MO

October 18, 2004Madison County, Missouri

NWS St. Louis, MO issued this tornado warning at Oct 18, 2004, 5:12 PM CDT for Madison County, Missouri. It was in force for 33 min. 4 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: Oct 18, 2004, 5:12 PM CDT (22:12 UTC)
Expired: Oct 18, 2004, 5:45 PM CDT
In force: 33 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Madison County, MO

The radar

The Paducah radar (KPAH), 133 km from the middle of the area, began a volume at 22:12 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
Oct 18, 5:40 PM CDT	HAIL 1	Patton Junction, MO
Oct 18, 5:42 PM CDT	HAIL 1.75	Sedgewickville, MO
Oct 18, 5:45 PM CDT	HAIL 2.5	4 N Patton Junction, MO
Oct 18, 5:51 PM CDT	TORNADO	5 Nnw Sedgewickville, MO

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, 12:40 PM CDT	Tornado Watch	SPC	5 hr
Oct 18, 5:05 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.2 hours before the alert went out and 307 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: 1504 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 520 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 390 m²/s²
0-3 km storm-relative helicity: 482 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 16.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 182212
TORLSX
MOC123-182245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
511 PM CDT MON OCT 18 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MADISON COUNTY IN SOUTHEAST MISSOURI

* UNTIL 545 PM CDT

* AT 511 PM CDT...SEVERE WEATHER SPOTTERS REPORTED A TORNADO 1 MILE 
NORTH OF THE HIGHWAY 67 AND 72 INTERSECTION. RADAR INDICATED THE 
STORM WAS MOVING EAST AT 50 MPH.

THIS IS A CONTINUATION OF THE PREVIOUS TORNADO WARNING.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW MOVE TO A
BASEMENT...UNDERGROUND STORM SHELTER...OR AN INTERIOR ROOM OR HALLWAY
ON THE LOWEST LEVEL OF A STURDY BUILDING.

LAT...LON 3771 9034 3754 9041 3737 8981 3760 8972

$$

CVKING

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 18, 9:49 AM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	26 min
Oct 18, 2:48 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	42 min
Oct 18, 2:59 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade, Osage	46 min
Oct 18, 3:04 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Washington	41 min
Oct 18, 3:17 PM CDT	Tornado Warning	LSX	Gasconade, Osage	43 min
Oct 18, 3:28 PM CDT	Tornado Warning	LSX	Iron	47 min
Oct 18, 3:31 PM CDT	Severe Thunderstorm Warning	LSX	Reynolds	44 min
Oct 18, 3:34 PM CDT	Severe Thunderstorm Warning	LSX	Washington	41 min
Oct 18, 3:46 PM CDT	Tornado Warning	LSX	Franklin	44 min
Oct 18, 3:52 PM CDT	Tornado Warning	LSX	Washington	38 min
Oct 18, 3:58 PM CDT	Tornado Warning	LSX	Reynolds	47 min
Oct 18, 4:10 PM CDT	Tornado Warning	LSX	Saint Francois	50 min
Oct 18, 4:14 PM CDT	Tornado Warning	LSX	Iron	46 min
Oct 18, 4:18 PM CDT	Tornado Warning	LSX	Sainte Genevieve	57 min
Oct 18, 4:28 PM CDT	Tornado Warning	LSX	Madison	47 min
Oct 18, 4:29 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson	46 min
Oct 18, 5:16 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Sainte Genevieve	44 min
Oct 18, 5:16 PM CDT	Tornado Warning	LSX	Sainte Genevieve	29 min
Oct 18, 5:46 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	44 min

Nearby

Tornado Warnings in Missouri, 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.