Alert archive / Kansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 71, NWS Kansas City, MO

May 11, 2000Johnson County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at May 11, 2000, 10:08 PM CDT for Johnson County, Kansas. It was in force for 52 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: May 11, 2000, 10:08 PM CDT (03:08 UTC)
Expired: May 11, 2000, 11:00 PM CDT
In force: 52 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Johnson County, KS

The radar

The Pleasant Hill radar (KEAX), 49 km from the middle of the area, began a volume at 03:11 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
May 11, 7:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.1 hours before the alert went out and 73 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: 4491 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1450 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 30.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 120308
SVRMCI
KSC091-120400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1008 PM CDT THU MAY 11 2000

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JOHNSON COUNTY IN EAST CENTRAL KANSAS
  THIS INCLUDES THE CITY OF OLATHE

* UNTIL 1100 PM CDT

* AT 1008 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF SHAWNEE...OR ABOUT 13 MILES   
NORTHWEST OF OLATHE...MOVING EAST AT 30 MPH.  THESE WINDS ARE IN 
ASSOCIATION WITH A THUNDERSTORM OVER LEAVENWORTH COUNTY MOVING EAST.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER LENEXA AT 1020 PM CDT   
  NEAR MERRIAM AT 1030 PM CDT   
  NEAR OVERLAND PARK AT 1035 PM CDT
  NEAR LEAWOOD AT 1040 PM CDT

* OTHER LOCATIONS IN THE WARNING INCLUDE GARDNER.

THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DAMAGIN6G WINDS IN 
EXCESS OF 70 MPH. FOR YOUR SAFETY...MOVE INDOORS...AND STAY AWAY 
FROM WINDOWS. REMEMBER...LIGHTNING IS A THREAT FROM ALL 
THUNDERSTORMS.

LAT...LON 3902 9487 3881 9504 3880 9462 3903 9462

BUNTING

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 7:18 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Doniphan	27 min
May 11, 7:44 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	31 min
May 11, 8:15 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	45 min
May 11, 9:31 PM CDT	Tornado Warning	EAX	Leavenworth	44 min
May 11, 10:00 PM CDT	Tornado Warning	EAX	Leavenworth, Wyandotte	45 min
May 11, 11:15 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Wyandotte	60 min
May 12, 12:18 AM CDT	Severe Thunderstorm Warning	EAX	Atchison	42 min
May 12, 12:43 AM CDT	Tornado Warning	EAX	Atchison, Leavenworth	62 min
May 12, 1:23 AM CDT	Severe Thunderstorm Warning	EAX	Doniphan	52 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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; radar from the NEXRAD Level II archive.