Alert archive / Missouri / Tornado Warnings in 2004

Tornado Warning 71, NWS Kansas City, MO

August 26, 2004Mercer County, Missouri

NWS Kansas City, MO issued this tornado warning at Aug 26, 2004, 11:21 PM CDT for Mercer County, Missouri. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 26, 2004, 11:21 PM CDT (04:21 UTC)
Expired: Aug 27, 2004, 12:15 AM CDT
In force: 54 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Mercer County, MO

The radar

The Des Moines radar (KDMX), 136 km from the middle of the area, began a volume at 04:20 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.

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 26, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.4 hours before the alert went out and 247 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: 2976 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1620 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 394 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 24.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 270421
TOREAX
MOC129-270515-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1120 PM CDT THU AUG 26 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MERCER COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 1215 AM CDT

* AT 1117 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH VERY STRONG ROTATION CAPABLE OF PRODUCING 
  A TORNADO. THIS DANGEROUS   STORM WAS LOCATED NEAR SALINE...OR 
  ABOUT 10 MILES SOUTHEAST OF   LAMONI...AND MOVING EAST AT 25 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
   SALINE BY 1125 PM CDT.
   MERCER BY 1145 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4058 9338 4058 9379 4042 9377 4044 9338

$$

SEAMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 8:47 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	43 min
Aug 26, 9:11 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	64 min
Aug 26, 9:30 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	60 min
Aug 26, 10:12 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	63 min
Aug 26, 10:16 PM CDT	Tornado Warning	EAX	Nodaway	59 min
Aug 26, 10:55 PM CDT	Tornado Warning	EAX	Harrison	50 min
Aug 26, 11:03 PM CDT	Tornado Warning	EAX	Worth	57 min
Aug 26, 11:48 PM CDT	Tornado Warning	EAX	Harrison	42 min
Aug 27, 1:36 AM CDT	Severe Thunderstorm Warning	EAX	Mercer	54 min
Aug 27, 4:00 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	75 min
Aug 27, 4:23 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler	82 min
Aug 27, 5:10 PM CDT	Flash Flood Warning	EAX	Mercer	6 hr
Aug 27, 5:20 PM CDT	Flash Flood Warning	EAX	Putnam, Sullivan	6 hr
Aug 27, 5:34 PM CDT	Flash Flood Warning	EAX	Grundy	6 hr
Aug 27, 5:57 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	78 min
Aug 27, 6:09 PM CDT	Severe Thunderstorm Warning	EAX	Platte	66 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.