Alert archive / Missouri / Tornado Warnings in 2004

Tornado Warning 66, NWS Kansas City, MO

August 17, 2004Saline County, Missouri

NWS Kansas City, MO issued this tornado warning at Aug 17, 2004, 6:53 PM CDT for Saline County, Missouri. It was in force for 52 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: Aug 17, 2004, 6:53 PM CDT (23:53 UTC)
Expired: Aug 17, 2004, 7:45 PM CDT
In force: 52 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 104 km from the middle of the area, began a volume at 23:57 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 17, 7:20 PM CDT	TSTM WND DMG	Sweet Springs, MO	8 INCH LIMBS AND POWERLINES DOWN.
Aug 17, 7:20 PM CDT	TSTM WND DMG	Sweet Springs, MO	TIN ROOF BLOWN OFF A STRUCTURE IN SWEET SPRINGS. 2 1/2 FOOT DIAMETER TREES SNAPPED IN HALF.
Aug 17, 7:35 PM CDT	TSTM WND GST 70	Sweet Springs, MO
Aug 17, 7:35 PM CDT	HAIL 1	Sweet Springs, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.9 hours before the alert went out and 214 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: 926 J/kg
Mixed-layer CIN: -180 J/kg
Mixed-layer LCL: 1172 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 172353
TOREAX
MOC195-180045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
653 PM CDT TUE AUG 17 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SALINE COUNTY IN CENTRAL MISSOURI
  THIS INCLUDES THE CITY OF MARSHALL

* UNTIL 745 PM CDT

* AT 651 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MARSHALL...AND MOVING SOUTH AT 10 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
   MARSHALL BY 700 PM CDT.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR
ROOM ON THE LOWEST FLOOR

LAT...LON 3939 9318 3938 9311 3932 9308 3926 9295
      3922 9294 3923 9287 3912 9297 3910 9294
      3894 9307 3896 9351 3897 9351 3928 9348
      3920 9340 3927 9332 3930 9320

$$

KOCH

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 17, 4:40 PM CDT	Severe Thunderstorm Warning	EAX	Chariton	65 min
Aug 17, 5:43 PM CDT	Severe Thunderstorm Warning	EAX	Saline	62 min
Aug 17, 6:44 PM CDT	Severe Thunderstorm Warning	EAX	Saline	61 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.