Alert archive / Kansas / Tornado Warnings in 2002

Tornado Warning 6, NWS Goodland, KS

June 11, 2002Decatur County, Norton County, Kansas

NWS Goodland, KS issued this tornado warning at Jun 11, 2002, 2:31 AM CDT for Decatur County, Norton County, Kansas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2002, 2:31 AM CDT (07:31 UTC)
Expired
Jun 11, 2002, 3:15 AM CDT
In force
44 min
Issued by
NWS Goodland, KS
Area
Counties, with a storm outline in the text

Counties Decatur County, KS, Norton County, KS

The radar

The Goodland radar (KGLD), 145 km from the middle of the area, began a volume at 07:32 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.5 hours before the alert went out and 159 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, N. Platte/Lee Bi, NE at 00:00Z on 2002-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 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, N. Platte/Lee Bi, NE at 00:00Z on 2002-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 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
74 J/kg
Mixed-layer CIN
-264 J/kg
Mixed-layer LCL
1983 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
346 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KGLD 110731
TORGLD
KSC039-137-110815-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
230 AM CDT TUE JUN 11 2002

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTON COUNTY
  EXTREME EASTERN DECATUR COUNTY
* UNTIL 315 AM CDT

* AT 229 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING TORNADOES 4 MILES SOUTHWEST OF   
  CLAYTON...OR ABOUT 5 MILES NORTHEAST OF JENNINGS. THE STORM IS     
  MOVING EAST AT 25 MPH.

* THE THUNDERSTORM CAPABLE OF TORNADOES IS EXPECTED TO BE NEAR...    
  CLAYTON AROUND 235 AM CDT

A TORNADO WARNING MEANS THAT A TORNADO HAS BEEN OBSERVED OR DETECTED 
BY RADAR. IF YOU ARE IN THE PATH OF THIS TORNADO...SEEK SHELTER NOW

IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST
PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE
IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS
WITH CUSHIONS...BLANKETS...OR PILLOWS. IF SIRENS GO OFF...DO NOT RUN
OUTSIDE. THE SIRENS MEAN YOU ARE IN DANGER. SEEK SHELTER

&&

LAT...LON 3984 10034 3960 10031 3959 9972 3990 9972

FLOYD

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 1:35 AM CDTSevere Thunderstorm WarningGLDDecatur40 min
Jun 11, 2:05 AM CDTTornado WarningGLDDecatur25 min

Nearby

Tornado Warnings in Kansas, 2002Every tornado warning in 2002Tornadoes in 2002

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.