Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 83, NWS Kansas City, MO

May 21, 2000Cass County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 21, 2000, 3:23 PM CDT for Cass County, Missouri. It was in force for 52 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: May 21, 2000, 3:23 PM CDT (20:23 UTC)
Expired: May 21, 2000, 4:15 PM CDT
In force: 52 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), 19 km from the middle of the area, began a volume at 20:23 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.

What was reported inside it

Time	Report	Where	Remark
May 21, 4:22 PM CDT	Hail 0.75	Cleveland, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.4 hours before the alert went out and 111 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: 18 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1217 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 212023
SVRMCI
MOC037-212115-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
323 PM CDT SUN MAY 21 2000

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CASS COUNTY IN WEST CENTRAL MISSOURI
  THIS INCLUDES THE CITY OF HARRISONVILLE

* UNTIL 415 PM CDT

* AT 318 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BELTON...OR ABOUT 13 MILES EAST OF
  OLATHE...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RAYMORE AT 335 PM CDT
  PECULIAR AT 350 PM CDT
  FREEMAN AT 400 PM CDT
  HARRISONVILLE AT 405 PM CDT
  ARCHIE AT 415 PM CDT

LAT...LON 3884 9460 3849 9461 3845 9410 3882 9419

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 3:05 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	40 min
May 21, 3:45 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	45 min
May 21, 4:02 PM CDT	Severe Thunderstorm Warning	EAX	Cass	43 min
May 21, 4:08 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Ray	52 min
May 21, 4:22 PM CDT	Severe Thunderstorm Warning	EAX	Bates	53 min
May 21, 4:32 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Livingston	58 min
May 21, 4:48 PM CDT	Severe Thunderstorm Warning	EAX	Cass	12 min
May 21, 5:01 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Ray	59 min
May 21, 5:06 PM CDT	Severe Thunderstorm Warning	EAX	Bates	54 min
May 21, 5:33 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Livingston	57 min
May 21, 5:54 PM CDT	Tornado Warning	EAX	Lafayette	51 min
May 21, 6:00 PM CDT	Severe Thunderstorm Warning	EAX	Bates	15 min
May 21, 6:33 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	57 min
May 21, 6:45 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.