Alert archive / Kansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 33, NWS Wichita, KS

May 5, 1986Cowley County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 5, 1986, 11:39 PM CDT for Cowley County, Kansas. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 5, 1986, 11:39 PM CDT (04:39 UTC)
Expired
May 6, 1986, 12:40 AM CDT
In force
61 min
Issued by
NWS Wichita, KS
Area
Whole counties

County Cowley County, KS

The radar

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

What was reported inside it

TimeReportWhereRemark
May 5, 11:45 PM CDTHail 1.75Cowley, KS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Ok Cty/Will Rgrs, OK (KOKC), launched 00:00Z, 4.7 hours before the alert went out and 216 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, Ok Cty/Will Rgrs, OK at 00:00Z on 1986-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2019 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, Ok Cty/Will Rgrs, OK at 00:00Z on 1986-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 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
2019 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KICT 060442 COR
SVRICT
KSC035-060440-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
1139 PM CDT MON MAY 5 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1240 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY OF

SOUTHEAST KANSAS...NORTHERN COWLEY

AT 1135PM CDT VERY INTENSE THUNDERSTORMS CONTINUED ACROSS COWLEY
COUNTY IN SOUTH CENTRAL KANSAS.  THESE STORMS WERE MOVING SLOWLY
TO THE EAST.

THIS STORM MAY PRODUCE DOWNBURST WINDS THAT CAN CAUSE DAMAGE
NEARLY AS SEVERE AS THAT CAUSED BY TORNADOES.  ADDITIONALLY...
FREQUENT..DANGEROUS LIGHTNING..LARGE HAIL AND HEAVY RAINS THAT CAN
QUICKLY FLOOD LOW-LYING AREAS ARE dLIKELY.

FLASH FLOODING WILL LIKELY RESULT FROM THE HEAVY RAIN THAT HAS
FALLEN OVER THE WARNING AREA.  STAY AWAY FROM AREAS SUSCEPTIBLE
TO FLOODING LIKE SMALL STREAMS..LOW LYING AREAS AND UNDERPASSES.

JT

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, 7:08 PM CDT, 4 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
705 PM CDT MON MAY  5 1986

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL MIDNIGHT FOR A LARGE
   PORTION OF SOUTH CENTRAL AND EASTEN KANSAS...
...SEVERE THUNDERSTORM WARNING UNTIL 715 PM CDT FOR NORTHERN
   GREENWOOD AND SOUTHEAST CHASE COUNTIES...

SHORTLY BEFORE 7 PM CDT A LINE OF INTENSE THUNDERSTORMS EXTENDED
FROM JUST SOUTH OF TOPEKA SOUTHWEST TO ABOUT 35 MILES SOUTHWEST OF
WICHITA...JUST EAST OF ANTHONY.

PARTICULARLY DANGEROUS STORMS WERE LOCATED IN SOUTHEAST BUTLER COUNTY
NEAR DOUGLAS...JUST EAST OF AUGUSTA...AND 55 MILES NORTHEAST OF
WICHITA...NEAR TETERVILLE IN NORTHWEST GREENWOOD COUNTY.

MOVEMENT WAS NORTHEAST AT 3k0 MILES AN HOUR...WHILE THE LINE AS A WHOLE
WAS MOVING SOUTHEAST AT 15 MILES AN HOUR.
SWAIN
Local storm report, May 5, 10:57 PM CDT, 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WICHITA KS
1045 PM CDT MON MAY 5 1986

DATE     TIME CDT  EVENT

         556 PM    NWS WEATHER SPOTTER..GOLF BALL SIZE HAIL 5N 11/2E
                   AUGUSTA.

         645 PM    AUGUSTA P.D...GOLFBALL HAIL.

     730-800 PM    AUGUSTA P.D. ..6 S AUGUSTA 4.5 INCHES RAIN GOLFBALL
                   HAIL KNOCKED GAUGE APART.
         831 PM    COWLEY COUNTY C.D. ..3/4 INCH HAIL UDALL
         836 PM    COWLEY COUNTY C.D. ..1 INCH HAIL UDALL

         903 PM    CHANNEL 3 OBSERVER..6.5 INCHES RAIN BETWEEN AUGUSTA
                   AND DOUGLASS.

         904 PM    WELLINGTON P.D. ..1 INCH HAIL 1 WEST WELLINGTON

          906 PM     WELLINGTON P.D. ..3/4 INCH HAIL IN WELLINGTON

          906 PM     CHANNEL 3 OBSERVER..1 INCH HAIL 3 NE MULVANE

          944 PM     CHANNEL 3 OBSERVER..2.5 INCHES RAIN IN WELLINGTON
                     2-3 FEET WATER IN STREETS OF WELLINGTON

         1000 PM     COWLEY COUNTY C.D. ..TENNIS BALL HAIL 1 W OXFORD

         1028 PM     COWLEY COUNTY C.D. ..11/4 INCH HAIL OCCASIONAL
                     TENNIS BALL HAIL IN OXFORD

         1035 PM     COWLEY COUNTY C.D. ..GOLFBALL TO SOFTBALL H?AIL
                     JUST EAST OF OXFORD.

END

JT

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 7:21 PM CDTSevere Thunderstorm WarningICTButler, Cowley59 min
May 5, 7:33 PM CDTTornado WarningICTButler, Cowley22 min
May 5, 7:59 PM CDTTornado WarningICTButler31 min
May 5, 8:36 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Sedgwick, Sumner54 min
May 5, 9:28 PM CDTTornado WarningICTSumner32 min
May 5, 9:52 PM CDTSevere Thunderstorm WarningICTCowley58 min
May 5, 10:27 PM CDTSevere Thunderstorm WarningICTSumner58 min
May 5, 10:54 PM CDTSevere Thunderstorm WarningICTCowley31 min
May 6, 12:17 AM CDTSevere Thunderstorm WarningICTChautauqua, Elk58 min
May 6, 1:19 AM CDTSevere Thunderstorm WarningICTChautauqua, Elk, Montgomery56 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.