Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 17, NWS Kansas City, MO

May 4, 2003Jackson County, Missouri

NWS Kansas City, MO issued this tornado warning at May 4, 2003, 4:21 PM CDT for Jackson 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: May 4, 2003, 4:21 PM CDT (21:21 UTC)
Expired: May 4, 2003, 5:15 PM CDT
In force: 54 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Jackson 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, 9.4 hours before the alert went out and 107 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.

691 
WFUS53 KEAX 042121
TOREAX
MOC095-042215-

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JACKSON COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 515 PM CDT

* AT 419 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR KANSAS CITY KS...OR 14 MILES WEST OF KANSAS
  CITY...MOVING NORTHEAST AT 40 MPH. LARGE HAIL AND DESTRUCTIVE
  THUNDERSTORM WINDS ARE ALSO LIKELY WITH THIS STORM.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
   KANSAS CITY....RAYTOWN BY 430 PM CDT.
   INDEPENDENCE....BLUE SPRINGS BY 445 PM CDT.
   GRAIN VALLEY BY 450 PM CDT.
   BUCKNER....OAK GROVE BY 455 PM CDT.
   SIBLEY BY 500 PM CDT.

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES PEOPLE IN THE PATH 
OF THIS STORM SHOULD TAKE SHELTER NOW

LAT...LON 3913 9458 3898 9458 3900 9413 3918 9417

$$


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, 4:26 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, 5:22 PM CDT	Tornado Warning	EAX	Clay	38 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.