Alert archive / Kansas / Tornado Warnings in 1990

Tornado Warning 23, NWS Topeka, KS

April 25, 1990Osborne County, Kansas

NWS Topeka, KS issued this tornado warning at Apr 25, 1990, 7:17 PM CDT for Osborne County, Kansas. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1990, 7:17 PM CDT (00:17 UTC)
Expired
Apr 25, 1990, 8:00 PM CDT
In force
43 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Osborne County, KS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.3 hours before the alert went out and 201 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, Dodge City, at 00:00Z on 1990-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 445 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, Dodge City, at 00:00Z on 1990-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897Sfc1 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
445 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1608 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCNK 260017
TORCNK
KSC141-260100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE CONCORDIA KS
717 PM CDT WED APR 25 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTH CENTRAL PART OF KANSAS
      WESTERN OSBORNE

AT 717 PM CDT RADAR SHOWED AND VERY SEVERE THUNDERSTORM THAT
HAS A HISTROY OF TORNADOES AND LARGE HAIL CENTERED 15 MILES
NORTH NORTHEAST OF HAYS OR ABOUT 35 MILES SOUTHWEST OF OSBORNE.
MOVEMENT WAS NORTHEAST AT 35 MPH.

PEOPLE IN THE WARNED AREA SHOULD FIND SHELTER IMMEDIATELY.
BASEMENTS OFFER THE BEST PROTECTION.  SMALL ROOMS NEAR THE
CENTER OF HOMES AND BUILDINGS ON THE LOWEST FLOOR ARE ALSO FAIRLY
SAFE.  MOBILE HOMES AND VEHICLES OFFER NO SHELTER...SO LEAVE THEM.
EVEN A DITCH OR LOW PLACE IS SAFER THAN A MOBILE HOME OR CAR.

THIS TORNADO WAS ON THE GROUND AND CAUSING DAMAGE.  ALL PEOPLE
NEAR THIS DANGEROUS STORM SHOULD TAKE COVER IMMEDIATELY.  FIND
SHELTER BELOW GROUND LEVEL...IF AT ALL POSSIBLE.

 THIS WARNING INCLUDES THE CITY OF OSBORNE.

ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 8:03 PM CDTTornado WarningTOPOsborne, Smith42 min
Apr 25, 8:44 PM CDTTornado WarningTOPSmith46 min
Apr 25, 8:58 PM CDTSevere Thunderstorm WarningTOPOsborne17 min

Nearby

Tornado Warnings in Kansas, 1990Every tornado warning in 1990Tornadoes in 1990

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.