Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 293, NWS Kansas City, MO

September 11, 2000Ray County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 11, 2000, 7:17 PM CDT for Ray County, Missouri. It was in force for 73 min. 2 reports 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: Sep 11, 2000, 7:17 PM CDT (00:17 UTC)
Expired: Sep 11, 2000, 8:30 PM CDT
In force: 73 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Ray County, MO

What was reported inside it

Time	Report	Where	Remark
Sep 11, 7:45 PM CDT	Hail 0.75	Lawson, MO
Sep 11, 7:50 PM CDT	Thunderstorm Wind 65 E	Richmond, MO	Thunderstorm winds tore off a 60-by-100 foot section of the roof at Richmond High School.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 11, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.3 hours before the alert went out and 145 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: 901 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 3268 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

383 
WUUS53 KEAX 120017
SVRMCI
MOC177-120130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
717 PM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 714 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 9 MILES NORTH OF REGAL TO 8 MILES
  WEST OF VIBBARD...OR FROM 19 MILES SOUTHWEST OF CHILLICOTHE TO 25
  MILES NORTHEAST OF KANSAS CITY...MOVING SOUTHEAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  KNOXVILLE AT 730 PM CDT
  REGAL AT 735 PM CDT
  RICHMOND AT 750 PM CDT
  HARDIN AT 800 PM CDT

THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE HAIL UP TO GOLFBALL
SIZE...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 3951 9421 3921 9419 3922 9378 3952 9380

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 11, 7:02 PM CDT	Severe Thunderstorm Warning	EAX	Linn	73 min
Sep 11, 7:09 PM CDT	Severe Thunderstorm Warning	EAX	Adair	81 min
Sep 11, 7:20 PM CDT	Severe Thunderstorm Warning	EAX	Carroll	70 min
Sep 11, 7:31 PM CDT	Severe Thunderstorm Warning	EAX	Macon	74 min
Sep 11, 7:40 PM CDT	Severe Thunderstorm Warning	EAX	Chariton	80 min
Sep 11, 7:41 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	79 min
Sep 11, 7:45 PM CDT	Severe Thunderstorm Warning	EAX	Livingston	30 min
Sep 11, 8:00 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	75 min
Sep 11, 8:48 PM CDT	Severe Thunderstorm Warning	EAX	Cass	57 min
Sep 11, 9:33 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	27 min
Sep 11, 9:55 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	50 min
Sep 11, 9:58 PM CDT	Severe Thunderstorm Warning	EAX	Bates	47 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.