Alert archive / Kansas / Tornado Warnings in 2000

Tornado Warning 2, NWS Kansas City, MO

May 11, 2000Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this tornado warning at May 11, 2000, 10:00 PM CDT for Leavenworth County, Wyandotte County, Kansas. 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
May 11, 2000, 10:00 PM CDT (03:00 UTC)
Expired
May 11, 2000, 10:45 PM CDT
In force
45 min
Issued by
NWS Kansas City, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Leavenworth County, KS, Wyandotte County, KS

The radar

The Pleasant Hill radar (KEAX), 70 km from the middle of the area, began a volume at 03:01 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.

IssuedProductOfficeLasted
May 11, 7:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.0 hours before the alert went out and 61 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-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2000-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4491 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2000-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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 
WFUS53 KEAX 120302
TORMCI
KSC103-209-120345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1000 PM CDT THU MAY 11 2000

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN LEAVENWORTH COUNTY IN NORTHEAST KANSAS
  WYANDOTTE COUNTY IN NORTHEAST KANSAS

* UNTIL 1045 PM CDT

* AT 1000 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A   
  TORNADO OVER TONGANOXIE...OR 17 MILES WEST OF KANSAS CITY KS MOVING EAST
  AT 25 MPH. THIS EXTENDS THE PREVIOUS WARNING FOR SOUTHERN 
LEAVENWORTH COUNTY.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BASEHOR AT 1015 PM CDT
  BONNER SPRINGS AT 1020 PM CDT
  EDWARDSVILLE AT 1030 PM CDT
  KANSAS CITY KS AT 1040 PM CDT

OTHER LOCATIONS IN THIS WARNING INCLUDE RENO AND JARBALO.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE IS EXPECTED TO
DEVELOP. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE
INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT DRIVE INTO THIS STORM AND DO NOT SEEK
SHELTER UNDER A HIGHWAY OVERPASS!

IN ADDITION TO THE TORNADO THREAT...THIS STORM WILL PRODUCE DAMAGING 
STRAIGHT LINE WINDS OF 90 MPH AND BASEBALL OR LARGER-SIZE HAIL. IF 
YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS TO A 
CENTER LOCATION ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS. DO NOT 
DRIVE INTO THE PATH OF THIS STORM AND DO NOT SEEK SHELTER UNDER A 
HIGHWAY OVERPASS!

LAT...LON 3920 9519 3902 9519 3906 9462 3917 9460

_BUNTING

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 7:18 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan27 min
May 11, 7:44 PM CDTSevere Thunderstorm WarningEAXAtchison31 min
May 11, 8:15 PM CDTSevere Thunderstorm WarningEAXAtchison45 min
May 11, 9:31 PM CDTTornado WarningEAXLeavenworth44 min
May 11, 10:08 PM CDTSevere Thunderstorm WarningEAXJohnson52 min
May 11, 11:15 PM CDTSevere Thunderstorm WarningEAXJohnson, Wyandotte60 min
May 12, 12:18 AM CDTSevere Thunderstorm WarningEAXAtchison42 min
May 12, 12:43 AM CDTTornado WarningEAXAtchison, Leavenworth62 min
May 12, 1:23 AM CDTSevere Thunderstorm WarningEAXDoniphan52 min

Nearby

Tornado Warnings in Kansas, 2000Every tornado warning in 2000Tornadoes 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.