Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 261, NWS Kansas City, MO

August 20, 2000Ray County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Aug 20, 2000, 12:00 AM CDT for Ray County, Missouri. 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Aug 20, 2000, 12:00 AM CDT (05:00 UTC)
Expired: Aug 20, 2000, 12:45 AM CDT
In force: 45 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Ray County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 5.0 hours before the alert went out and 144 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: 31 J/kg
Mixed-layer CIN: -467 J/kg
Mixed-layer LCL: 1388 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 399 m²/s²
0-3 km storm-relative helicity: 748 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

628 
WUUS53 KEAX 200500
SVRMCI
MOC177-200545-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1200 AM CDT SUN AUG 20 2000

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 1245 AM CDT

* AT 1157 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES WEST OF RICHMOND TO
  ORRICK...OR FROM 28 MILES NORTHEAST OF KANSAS CITY TO 21 MILES EAST
  OF KANSAS CITY...MOVING EAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  RICHMOND AT 1210 AM CDT
  HENRIETTA AT 1215 AM CDT
  HARDIN AT 1225 AM CDT

THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE HAIL UP TO 1 INCH IN
DIAMETER...AND WINDS IN EXCESS OF 70 MPH. FOR YOUR SAFETY...MOVE
INDOORS AND STAY AWAY FROM WINDOWS. REMEMBER...LIGHTNING IS A THREAT
FROM ALL THUNDERSTORMS. HEAVY RAINS CAN CAUSE LOCALIZED FLOODING OF
LOW LYING AREAS.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 60 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

LAT...LON 3949 9420 3920 9420 3922 9381 3945 9378

18

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 9:46 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	59 min
Aug 19, 10:10 PM CDT	Severe Thunderstorm Warning	EAX	Platte	65 min
Aug 19, 10:29 PM CDT	Severe Thunderstorm Warning	EAX	Holt	61 min
Aug 19, 10:39 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Clinton	66 min
Aug 19, 11:02 PM CDT	Severe Thunderstorm Warning	EAX	Ray	58 min
Aug 19, 11:31 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	59 min
Aug 20, 12:05 AM CDT	Severe Thunderstorm Warning	EAX	Saline	55 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; the sounding from the Mesonet's radiosonde archive.