Alert archive / Kansas / Tornado Warnings in 2000

Tornado Warning 9, NWS Topeka, KS

July 17, 2000Jefferson County, Kansas

NWS Topeka, KS issued this tornado warning at Jul 17, 2000, 5:00 PM CDT for Jefferson County, Kansas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 17, 2000, 5:00 PM CDT (22:00 UTC)
Expired
Jul 17, 2000, 5:30 PM CDT
In force
30 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Jefferson County, KS

The radar

The Topeka radar (KTWX), 78 km from the middle of the area, began a volume at 21:59 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

Topeka, KS (KTOP), launched 12:00Z, 10.0 hours before the alert went out and 34 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 12:00Z on 2000-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2000-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 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
8 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KTOP 172201
TORTOP

KSC087-172230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
500 PM CDT MON JUL 17 2000

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JEFFERSON COUNTY IN NORTHEAST KANSAS

* UNTIL 530 PM CDT

* AT 458 PM CDT...WEATHER SPOTTERS REPORTED A BRIEF TORNADO NEAR VALLEY
  FALLS...OR ABOUT 25 MILES NORTH OF LAWRENCE... MOVING NORTHEAST AT 20 
  MPH.

* SOME LOCATIONS AFFECTED...
  WINCHESTER
  VALLEY FALLS

BRIEF TORNADO TOUCHDOWNS ARE POSSIBLE ACROSS NORTHERN JEFFERSON 
COUNTY...THE TORNADOES WILL LIKELY BE BRIEF...BUT STILL ARE VERY
DANGEROUS.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY BUILDING. AS A
LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER
YOUR HEAD.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:40 PM CDTSevere Thunderstorm WarningTOPClay50 min
Jul 17, 4:37 PM CDTTornado WarningTOPJefferson23 min
Jul 17, 5:05 PM CDTTornado WarningTOPJackson, Pottawatomie25 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.