Alert archive / Kansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 21, NWS Wichita, KS

May 21, 1987Crawford County, Labette County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 21, 1987, 6:10 PM CDT for Crawford County, Labette County, Kansas. It was in force for 30 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 21, 1987, 6:10 PM CDT (23:10 UTC)
Expired
May 21, 1987, 6:40 PM CDT
In force
30 min
Issued by
NWS Wichita, KS
Area
Whole counties

Counties Crawford County, KS, Labette 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 21, 6:15 PM CDTHail 1.5Labette, 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

Springfield, MO (KUMN), launched 12:00Z, 11.2 hours before the alert went out and 124 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, Springfield, MO at 12:00Z on 1987-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1974 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, Springfield, MO at 12:00Z on 1987-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1974 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
84 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 212309
SVRICT
KSC099-037-212340-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
610 PM CDT THU MAY 21 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 640 PM CDT FOR THE FOLLOWING COUNTIES OF
 
SOUTHEAST KANSAS... EASTERN LABETTE... CRAWFORD
 
AT 6 PM CDT A LINE OF SEVERE THUNDERSTORMS WAS LOCATED FROM JUST NORTH O
PITTSBURG TO PARSONS TO THE OKLAHOMA/KANSAS BORDER SOUTH OF ALTAMONT
MOVING TO THE NORTHEAST AT 35 MILES AN HOUR.  GOLFBALL SIZE HAIL WAS
REPORTED AT MULBERRY...IN CRAWFORD COUNTY AT 555 PM CDT.
 
THIS THUNDERSTORM WILL LIKELY PRODUCE LARGE HAIL...HEAVY RAIN...DAMAGING
WINDS AND DANGEROUS LIGHTNING.  SEEK SHELTER FROM THIS STORM.
 
SWAIN

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 5:13 PM CDTSevere Thunderstorm WarningICTCrawford, Labette47 min
May 21, 5:34 PM CDTSevere Thunderstorm WarningICTCherokee56 min
May 21, 6:37 PM CDTTornado WarningICTMontgomery31 min
May 21, 6:39 PM CDTTornado WarningICTLabette29 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1987Every severe thunderstorm warning in 1987

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.