Alert archive / Kansas / Tornado Warnings in 1990

Tornado Warning 2, NWS Kansas City, MO

March 13, 1990Leavenworth County, Kansas

NWS Kansas City, MO issued this tornado warning at Mar 13, 1990, 12:25 AM CST for Leavenworth County, Kansas. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Mar 13, 1990, 12:25 AM CST (06:25 UTC)
Expired
Mar 13, 1990, 1:00 AM CST
In force
35 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Leavenworth 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

Topeka, KS (KTOP), launched 00:00Z, 6.4 hours before the alert went out and 56 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 1990-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1430 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 00:00Z on 1990-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 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
1430 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1353 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 130628
TORMCI
KSC103-130700-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1225 AM CST TUE MAR 13 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  100 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL KANSAS
          ...LEAVENWORTH
 
AT 1221 PM A TORNADO WAS ON THE GROUND NEAR SPRINGDALE OR ABOUT 12
MILES WEST SOUTHWEST OF LEAVENWORTH KANSAS MOVING TO THE EAST AT 20
MILES AN HOUR.  PERSONS IN LEAVENWORTH KANSAS MOVE TO SHELTER NOW.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENtT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 9:00 PM CSTSevere Thunderstorm WarningEAXWyandotte30 min
Mar 12, 9:00 PM CSTSevere Thunderstorm WarningEAXJohnson30 min
Mar 12, 10:18 PM CSTSevere Thunderstorm WarningEAXDoniphan42 min
Mar 12, 10:55 PM CSTSevere Thunderstorm WarningEAXLeavenworth35 min
Mar 12, 11:34 PM CSTSevere Thunderstorm WarningEAXLeavenworth26 min
Mar 13, 12:01 AM CSTTornado WarningEAXLeavenworth29 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.