Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 25, NWS Kansas City, MO

May 4, 2003Clay County, Missouri

NWS Kansas City, MO issued this tornado warning at May 4, 2003, 5:22 PM CDT for Clay County, Missouri. It was in force for 38 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: May 4, 2003, 5:22 PM CDT (22:22 UTC)
Expired: May 4, 2003, 6:00 PM CDT
In force: 38 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Clay County, MO

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 4, 12:45 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.4 hours before the alert went out and 115 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: 409 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 582 m²/s²
0-3 km storm-relative helicity: 841 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 17.5

Open this sounding in Storm Lab

The text

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

287 
WFUS53 KEAX 042222
TOREAX
MOC047-042300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
519 PM CDT SUN MAY 4 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CLAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 600 PM CDT

* AT 514 PM CDT...STORM SPOTTERS WERE TRACKING A TORNADO NEAR
  MOSBY...OR 19 MILES NORTHEAST OF KANSAS CITY...MOVING NORTHEAST 
  AT 35 MPH. LARGE HAIL AND DESTRUCTIVE THUNDERSTORM WINDS ARE 
  ALSO LIKELY WITH THIS STORM. A SECOND DEVELOPING STORM WITH STRONG 
  ROTATION WAS LOCATED NEAR LIBERTY MOVING EAST AT 30 MPH. 

* THE STORM NEAR MOSEBY WILL REMAIN OVER MAINLY RURAL AREAS OF...  
  CLAY COUNTY...WHILE THE SOUTHERN STORM NEAR LIBERLY WILL AFFECT
  AREAS ALONG THE MISSOURI RIVER. 

A DAMAGING TORNADO HAS BEEN CONFIRMED WITH THIS STORM THIS IS A 
LIFE-THREATENING SITUATION. IF YOU ARE IN ITS PATH...MOVE QUICKLY TO 
THE CENTER AREA OF THE LOWEST FLOOR OF THE BUILDING. ABANDON 
AUTOMOBILES BUT DO NOT SEEK SHELTER UNDER HIGHWAY OVERPASSES

LAT...LON 3941 9422 3922 9422 3924 9431 3915 9459
          3931 9461

$$


SEAMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 3:57 AM CDT	Severe Thunderstorm Warning	EAX	Bates	33 min
May 4, 3:07 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	53 min
May 4, 3:43 PM CDT	Tornado Warning	EAX	Buchanan	62 min
May 4, 3:50 PM CDT	Tornado Warning	EAX	Platte	55 min
May 4, 4:18 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Randolph	57 min
May 4, 4:21 PM CDT	Tornado Warning	EAX	Jackson	54 min
May 4, 4:26 PM CDT	Tornado Warning	EAX	Clay, Clinton	64 min
May 4, 4:31 PM CDT	Tornado Warning	EAX	Platte	59 min
May 4, 4:59 PM CDT	Tornado Warning	EAX	Cass	61 min
May 4, 5:03 PM CDT	Tornado Warning	EAX	Ray	57 min
May 4, 5:06 PM CDT	Tornado Warning	EAX	Clay, Clinton	24 min
May 4, 5:16 PM CDT	Tornado Warning	EAX	Jackson	44 min
May 4, 5:21 PM CDT	Tornado Warning	EAX	Bates	24 min
May 4, 5:46 PM CDT	Tornado Warning	EAX	Cass	44 min
May 4, 5:47 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	28 min
May 4, 5:53 PM CDT	Tornado Warning	EAX	Ray	37 min
May 4, 5:55 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	50 min
May 4, 6:10 PM CDT	Tornado Warning	EAX	Johnson	65 min
May 4, 6:12 PM CDT	Tornado Warning	EAX	Carroll	63 min
May 4, 6:17 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway	43 min
May 4, 6:19 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	56 min
May 4, 6:34 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb	56 min

Nearby

Tornado Warnings in Missouri, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.