Alert archive / Kansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 79, NWS Wichita, KS

August 1, 1986Allen County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Aug 1, 1986, 5:56 PM CDT for Allen County, Kansas. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Aug 1, 1986, 5:56 PM CDT (22:56 UTC)
Expired
Aug 1, 1986, 6:30 PM CDT
In force
34 min
Issued by
NWS Wichita, KS
Area
Whole counties

County Allen 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, 10.9 hours before the alert went out and 127 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 1986-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1986-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2232 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
15 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 KICT 012256
SVRICT
KSC001-012330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECT EXPIRATION TIME
NATIONAL WEATHER SERVICE WICHITA KS
556 PM CDT FRI AUG 1 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY OF

SOUTHEAST KANSAS...ALLEN

AT 556 PM CDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR OVER
MORAN KANSAS...MOVING SOUTHEAST AT 50 MPH. THIS EXTENDS THE WARNING
PREVIOUSLY ISSUED FOR ALLEN COUNTY.

PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE TO A REINFORCED BUILDING
AND STAY AWAY FROM WINDOWS...DAMAGING WINDS...LARGE HAIL...FREQUENT
DANGEROUS LIGHTNING AND HEAVY DOWNPOURS.
STEADHAM

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Aug 1, 12:46 PM CDT, 5 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY..CORRECTION TO MOVEMENT
NATIONAL WEATHER SERVICE WICHITA KS
1235 PM CDT FRI AUG 1 1986

AT 1225 PM..SCATTERED SHOWERS AND THUNDERSTORMS..SOME INTENSE..WERE
OVER CENTRAL AND NORTH CENTRAL KANSAS.  THE AREA WAS NORTHWEST OF A
LINE FROM HUTCHINSON TO TOPEKA.  HEAVY RAINS..STRONG WINDS AND HAIL
AREA POSSIBLE FROM THESE THUNDERSTORMS.

DEVELOPMENT INTO SOUTH CENTRAL AND CENTRAL KANSAS IS LIKELY THIS
AFTERNOON.

MOVEMENT WAS EAST SOUTHEAST AT 20 TO 25 MILES AN HOUR.

FH
Special weather statement, Aug 1, 1:44 PM CDT, 4 hours 12 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
140 PM CDT FRI AUG 1 1986

AT 130 PM..AN AREA OF SHOWERS AND THUNDERSTORMS WAS OVER CENTRAL KANSAS.
THE AREA WAS BOUNDED BY LYONS..HILLSBORO..WICHITA..AND HUTCHINSON.

OTHER THUNDERSTORMS WERE OVER NORTHERN KANSAS.  THE AREA WAS NORTH
OF A LINE FROM PHILLPSBURG TO SALINA TO TOPEKA.  INTENSE THUNDERSTORMS
WERE BETWEEN SMITH CENTER AND MANKATO.

MOVEMENT WAS EAST SOUTHEAST AROUND 30 30 MILES AN HOUR.

FH
Special weather statement, Aug 1, 1:50 PM CDT, 4 hours 6 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY..CORRECTION TO MOVEMENT
NATIONAL WEATHER SERVICE WICHITA KS
140 PM CDT FRI AUG 1 1986

AT 130 PM..AN AREA OF SHOWERS AND THUNDERSTORMS WAS OVER CENTRAL KANSAS.
THE AREA WAS BOUNDED BY LYONS..HILLSBORO..WICHITA..AND HUTCHINSON.

OTHER THUNDERSTORMS WERE OVER NORTHERN KANSAS.  THE AREA WAS NORTH
OF A LINE FROM PHILLPSBURG TO SALINA TO TOPEKA.  INTENSE THUNDERSTORMS
WERE BETWEEN SMITH CENTER AND MANKATO.

MOVEMENT WAS EAST SOUTHEAST AROUND 30 MILES AN HOUR.

FH
Special weather statement, Aug 1, 1:56 PM CDT, 4 hours before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY..CORRECTION TO MOVEMENT
NATIONAL WEATHER SERVICE WICHITA KS
140 PM CDT FRI AUG 1 1986

..SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF NORTHERN KANSAS UNTIL
800PM CDT..

AT 130 PM..AN AREA OF SHOWERS AND THUNDERSTORMS WAS OVER CENTRAL KANSAS.
THE AREA WAS BOUNDED BY LYONS..HILLSBORO..WICHITA..AND HUTCHINSON.

OTHER THUNDERSTORMS WERE OVER NORTHERN KANSAS.  THE AREA WAS NORTH
OF A LINE FROM PHILLPSBURG TO SALINA TO TOPEKA.  INTENSE THUNDERSTORMS
WERE BETWEEN SMITH CENTER AND MANKATO.

MOVEMENT WAS EAST SOUTHEAST AROUND 30 MILES AN HOUR.

FH
Special weather statement, Aug 1, 2:41 PM CDT, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
240 PM CDT FRI AUG 1 1986

..SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF NORTHERN KANSAS UNTIL
800PM CDT..

AT 230 PM..AN 80 MILE WIDE AREA OF THUNDERSTORMS..SOME VERY INTENSE..
WERE ACROSS NORTH KANSAS.  THE MOST INTENSE STORMS WERE LOCATED 12
MILES SOUTH OF CONCORDIA..AND NEAR GLASCO.  THESE STORMS WERE SHOWING
VERY HEAVY DOWNPOURS OF RAIN AND WILL LIKELY PRODUCE STRONG GUSTY
WINDS AS THEY MOVE SOUTHEAST AT NEARLY 45 MPH.

OTHER WIDELY SCATTERED THUNDERSHOWERS WERE CONTINUING TO DEVELOP
ACROSS SOUTH CENTRAL KANSAS AND NORTH OKLAHOMA.  THE STRONGEST
THUNDERSHOWER IN SOUTH CENTRAL KANSAS WAS 15 MILES NORTHEAS#T OF
PRATT.  THESE WERE MOVING EAST SOUTHEAST AT 35 MPH.
Special weather statement, Aug 1, 3:36 PM CDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
335 PM CDT FRI AUG 1 1986

..SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF NORTHERN KANSAS UNTIL
800PM CDT..

AT 330 PM..VERY INTENSE THUNDERSTORMS CONTINUED ACROSS THE NORTH
PARTS OF KANSAS..IN AN 80 MILE WIDE AREA THAT WAS NORTH OF A LINE
FROM NEAR SALINA TO COUNCIL GROVE TO JUST WEST OF TONGANOXIE.

THE MOST INTENSE STORM WAS IN THE FORT RILEY TO ENTERPRISE AREA AND
MOVING SOUTHEAST AT NEARLY 50 MPH.  THIS IS A DANGEROUS STORM AND
PERSONS IN THE PATH OF IT SHOULD BE PREPARED TO TAKE NECESSARY
PRECAUTIONS IF SIGHTED.  IT WAS BEARING VERY HEAVY DOWNPOURS OF RAIN
STRONG GUSTY WINDS AND POSSIBLE HAIL.

OTHER SSCATTERED THUNDERSHOWERS WERE ACROSS SOUTH CENTRAL KANSAS AND
NORTH OKLAHOMA..THESE WERE MOSTLY JUST LIGHT SHOWERS AND MOVING EAST
SOUTHEAST AT AROUND 35 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 5:09 PM CDTSevere Thunderstorm WarningICTAllen, Woodson41 min
Aug 1, 5:42 PM CDTSevere Thunderstorm WarningICTBourbon48 min
Aug 1, 6:10 PM CDTSevere Thunderstorm WarningICTCrawford50 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1986Every severe thunderstorm warning in 1986

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.