Alert archive / Kansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 50, NWS Topeka, KS

May 5, 1986Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at May 5, 1986, 7:33 PM CDT for Franklin County, Kansas. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
May 5, 1986, 7:33 PM CDT (00:33 UTC)
Expired
May 5, 1986, 8:10 PM CDT
In force
37 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Franklin 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, 0.6 hours before the alert went out and 57 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 1986-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2272 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 1986-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
2272 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1074 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, May 5, 5:34 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
530 PM CDT MON MAY 5 1986

...THUNDERSTORMS DEVELOP OVER NORTHEAST AND EAST CENTRAL KANSAS...

AT 5.30 PM...A LINE OF THUNDERSTORMS HAD DEVELOPED OVER NORTHEAST AND
EAST CENTRAL KANSAS.  THE LINE EXTENDED FROM PERRY RESERVOIR...THROUGH
OSAGE CITY TO EMPORIA.

ISOLATED HEAVY RAINS AND STRONG GUSTY WINDS MAY BE POSSIBLE WITH
SOME OF THESE THUNDERSTORMS.

THE LINE WILL REMAIN NEARLY STATIONARY DURING THE EARLY EVENING HOURS
WITH THE INDIVIDUAL THUNDERSTORMS MOVING NORTHEAST AT 35 MILES AN
HOUR.

SUNKEL

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 10:24 PM CDTSevere Thunderstorm WarningTOPShawnee51 min
May 5, 10:40 PM CDTSevere Thunderstorm WarningTOPJefferson65 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.