Alert archive / Kansas / Tornado Warnings in 1990

Tornado Warning 36, NWS Topeka, KS

June 7, 1990Lyon County, Kansas

NWS Topeka, KS issued this tornado warning at Jun 7, 1990, 6:48 PM CDT for Lyon County, Kansas. It was in force for 27 min.

The area

The counties it named.

The facts

Issued: Jun 7, 1990, 6:48 PM CDT (23:48 UTC)
Expired: Jun 7, 1990, 7:15 PM CDT
In force: 27 min
Issued by: NWS Topeka, KS
Area: Whole counties

County Lyon 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 12:00Z, 11.8 hours before the alert went out and 75 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 581 J/kg
Mixed-layer CIN: -228 J/kg
Mixed-layer LCL: 580 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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 
TTAA00 KTOP 072350 RRA
TORTOP
KSC111-080015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
648 PM CDT THU JUN 7 1990
 
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL KANSAS
          ...LYON
 
SHERIFF EMPLOYEES REPORT A TORNADO ON THE GROUND 2 MILES SOUTHWEST OF
EMPORIA MOVING NORTHEAST AT 20 MPH. PEOPLE IN EMPORIA SHOULD MOVE TO
SHELTER IMMEDIATELY.
 
 
THIS IS A VERY DANGEROUS STORM.  ACT QUICKLY.  IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE... GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES FOR A
STURDIER BUILDING OR GET INTO A DITCH OR CULVERT.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 7, 5:21 PM CDT, 1 hour 27 minutes before

KSZ013>016-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
521 AM CDT THU JUN 7 1990

A STRONG THUNDERSTORM WAS OVER OVERBROOK AT 518PM.

OVERBROOK IS ABOUT 10 MILES SOUTH-SOUTHEAST OF TOPEKA. THE STORM WAS
CAUSING VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL AND STRONG GUSTY
WINDS. THE STORM WAS MOVING EAST-NORTHEAST AROUND 25 MPH.

BOATERS AND CAMPERS ON CLINTON LAKE SHOULD BE READY TO MOVE QUICKLY TO A
STRONG SHELTER. THE STORM WILL MOVE INTO THE CLINTON LAKE AREA BETWEEN
530 AND 6PM.

MAY

Special weather statement, Jun 7, 5:45 PM CDT, 1 hour 3 minutes before

KSZ013>016-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
545 PM CDT THU JUN 7 1990

... A TORNADO WATCH IS IN EFFECT FOR MUCH OF EAST-CENTRAL AND NORTHEAST
KANSAS UNTIL MIDNIGHT...

AT 540PM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM JUST SOUTHWEST
OF LAWRENCE NEAR CLINTON LAKE TO ABOUT 15 MILES SOUTHWEST OF TOPEKA OVER
AUBURN. THE STRONGEST THUNDERSTORM WAS OVER RICHLAND... OR ABOUT ABOUT
10 MILES SOUTHEAST OF TOPEKA.

THE THUNDERSTORMS WERE MOVING EAST-NORTHEAST 20 TO 25 MPH. PEOPLE IN
SOUTHERN SHAWNEE COUNTY CAN EXPECT VERY HEAVY RAIN, SMALL HAIL, AND
STRONG GUSTY WINDS FROM 545PM TO 630PM.

ALSO... A REMEMBER A TORNADO WATCH IS IN EFFECT FOR THIS AREA. A TORNADO
WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES.

MAY

Special weather statement, Jun 7, 6:21 PM CDT, 27 minutes before

KSZ007-008-010-011-080030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
620 PM CDT THU JUN 7 1990

...TORNADO WATCH NUMBER 410 IS IN EFFECT UNTIL 12 AM CDT FOR CLAY COUNTY
OF NORTHCENTRAL KANSAS AND DICKENSON COUNTY OF CENTRAL KANSAS...

AT 620 PM CDT RADAR SHOWED A LINE OF THUNDERSTORMS EXTENDED FROM NEAR
WICHITA TO JUST SOUTH OF TOPEKA MOVING EAST NORTHEAST AT 20 MPH.

NO SHOWER OR THUNDERSTORM ACTIVITY WAS REPORTED IN NORTH FCENTRAL OR
CENTRAL KANSAS.  HOWEVER CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT
OF SHOWERS AND THUNDERSTORMS.

PERSONS IN CENTRAL AND NORTH CENTRAL KANSAS SHOULD BE ALERT FOR RAPID
THUNDERSTORM DEVELOPMENT.

URBAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 4:14 AM CDT	Flash Flood Warning	TOP	Brown	3 hr
Jun 7, 9:01 AM CDT	Severe Thunderstorm Warning	TOP	Nemaha	53 min
Jun 7, 9:01 AM CDT	Severe Thunderstorm Warning	TOP	Marshall	35 min
Jun 7, 6:02 PM CDT	Tornado Warning	TOP	Shawnee	28 min
Jun 7, 6:25 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Shawnee	65 min
Jun 7, 6:40 PM CDT	Tornado Warning	TOP	Osage	50 min

Nearby

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