Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 22, NWS Kansas City, MO

June 1, 2001Cass County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 1, 2001, 7:12 PM CDT for Cass County, Missouri. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 1, 2001, 7:12 PM CDT (00:12 UTC)
Expired: Jun 1, 2001, 7:45 PM CDT
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 29 km from the middle of the area, began a volume at 00:14 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
Jun 1, 6:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.2 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: 576 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1798 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 447 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 12.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 020013
TORMCI
MOC037-020045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
712 PM CDT FRI JUN 1 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 712 PM CDT...THE PUBLIC REPORTED ROTATION WITH THIS CELL.

* THE POSSIBLE TORNADO IS EXPECTED TO BE NEAR...
  ARCHIE AT .730 PM CDT
  DAYTON AT 735 PM CDT
  MAIN CITY AT 735 PM CDT

LAT...LON 3865 9461 3849 9460 3846 9411 3865 9418

18

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 7:00 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard	60 min
Jun 1, 7:20 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	55 min
Jun 1, 7:32 PM CDT	Severe Thunderstorm Warning	EAX	Bates	43 min
Jun 1, 8:16 PM CDT	Severe Thunderstorm Warning	EAX	Henry	59 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; radar from the NEXRAD Level II archive.