Alert archive / Kansas / Tornado Warnings in 2003

Tornado Warning 12, NWS Kansas City, MO

May 4, 2003Leavenworth County, Kansas

NWS Kansas City, MO issued this tornado warning at May 4, 2003, 3:30 PM CDT for Leavenworth County, Kansas. It was in force for 45 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, 3:30 PM CDT (20:30 UTC)
Expired: May 4, 2003, 4:15 PM CDT
In force: 45 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text
Emergency: Tornado emergency

County Leavenworth County, KS

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, 8.5 hours before the alert went out and 58 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.

404 
WFUS53 KEAX 042030
TOREAX
KSC103-042115-

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  LEAVENWORTH COUNTY IN NORTHEAST KANSAS

* UNTIL 415 PM CDT

* AT 329 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD  
  NEAR JARBALO...OR 8 MILES EAST OF OSKALOOSA...MOVING NORTHEAST 
  AT25 MPH. LARGE HAIL AND DESTRUCTIVE THUNDERSTORM WINDS ARE ALSO 
  LIKELY WITH THIS STORM.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
  EASTON KS BY 345 PM CDT.

THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

LAT...LON 3933 9517 3909 9518 3908 9503 3910 9491
          3930 9493 3938 9496 3941 9507

$$


DB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 2:00 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	45 min
May 4, 2:26 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	64 min
May 4, 3:13 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	32 min
May 4, 4:02 PM CDT	Tornado Warning	EAX	Wyandotte	43 min
May 4, 4:20 PM CDT	Tornado Warning	EAX	Linn, Miami	40 min
May 4, 4:59 PM CDT	Tornado Warning	EAX	Miami	61 min

Nearby

Tornado Warnings in Kansas, 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.