Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 16, NWS Kansas City, MO

May 30, 2001Henry County, Johnson County, Missouri

NWS Kansas City, MO issued this tornado warning at May 30, 2001, 6:18 PM CDT for Henry County, Johnson County, Missouri. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 30, 2001, 6:18 PM CDT (23:18 UTC)
Expired: May 30, 2001, 6:45 PM CDT
In force: 27 min
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Henry County, MO, Johnson 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 30, 6:00 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.3 hours before the alert went out and 167 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: 8 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 515 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 302318
TORMCI
MOC083-101-302345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
618 PM CDT WED MAY 30 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS EXTENDED THE

* TORNADO WARNING FOR...
  EASTERN HENRY COUNTY IN WEST CENTRAL MISSOURI
  JOHNSON COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 645 PM CDT

* AT 618 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO ALONG A LINE EXTENDING FROM 4 MILES SOUTHEAST OF
  LEETON TO 8 MILES SOUTHWEST OF TIGHTWAD...OR ALONG A LINE EXTENDING
  FROM 15 MILES NORTHEAST OF CLINTON TO 13 MILES SOUTHEAST OF
  CLINTON...MOVING EAST AT 20 MPH.

* TORNADO PRODUCING STORMS ARE EXPECTED TO BE NEAR...
  TIGHTWAD AT 625 PM CDT
  WINDSOR AT 630 PM CDT

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE IS EXPECTED TO
DEVELOP. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE
INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT DRIVE INTO THIS STORM AND DO NOT SEEK
SHELTER UNDER A HIGHWAY OVERPASS

$$
KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 5:44 PM CDT	Tornado Warning	EAX	Henry	31 min
May 30, 5:55 PM CDT	Tornado Warning	EAX	Johnson	35 min
May 30, 6:34 PM CDT	Tornado Warning	EAX	Johnson, Pettis	41 min
May 30, 6:58 PM CDT	Tornado Warning	EAX	Ray	47 min

Nearby

Tornado Warnings in Missouri, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.