Alert archive / Kansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 29, NWS Wichita, KS

May 27, 1987Cowley County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 27, 1987, 1:10 PM CDT for Cowley County, Kansas. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 27, 1987, 1:10 PM CDT (18:10 UTC)
Expired
May 27, 1987, 2:05 PM CDT
In force
55 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.

The nearest sounding before it

Ok Cty/Will Rgrs, OK (KOKC), launched 12:00Z, 6.2 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 12:00Z on 1987-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 388 joules per kilogram.LCLEL10008507005003002001001 km2 km3 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 12:00Z on 1987-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.19395878Sfc1 km3 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
388 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:34 PM CDTSevere Thunderstorm WarningICTSumner56 min
May 26, 8:06 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Sedgwick64 min
May 26, 8:31 PM CDTSevere Thunderstorm WarningICTSumner29 min
May 26, 9:11 PM CDTSevere Thunderstorm WarningICTButler59 min
May 27, 8:43 AM CDTSevere Thunderstorm WarningICTSedgwick45 min
May 27, 1:18 PM CDTSevere Thunderstorm WarningICTButler62 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; the sounding from the Mesonet's radiosonde archive.