Alert archive / Kansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 57, NWS Wichita, KS

July 4, 1987Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 4, 1987, 3:32 AM CDT for Sumner County, Kansas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1987, 3:32 AM CDT (08:32 UTC)
Expired
Jul 4, 1987, 4:30 AM CDT
In force
58 min
Issued by
NWS Wichita, KS
Area
Whole counties

County Sumner 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

Dodge City, (KDDC), launched 00:00Z, 8.5 hours before the alert went out and 222 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, Dodge City, at 00:00Z on 1987-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1317 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, Dodge City, at 00:00Z on 1987-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
1317 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1699 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.4

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, Jul 4, 3:17 AM CDT, 15 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 3:41 AM CDTSevere Thunderstorm WarningICTCowley59 min
Jul 4, 4:37 AM CDTSevere Thunderstorm WarningICTCowley63 min
Jul 4, 4:54 AM CDTSevere Thunderstorm WarningICTChautauqua56 min
Jul 4, 6:01 AM CDTSevere Thunderstorm WarningICTChautauqua, Montgomery59 min
Jul 4, 6:16 AM CDTSevere Thunderstorm WarningICTKingman, Reno64 min
Jul 4, 7:23 AM CDTSevere Thunderstorm WarningICTKingman, Reno57 min
Jul 4, 7:48 AM CDTSevere Thunderstorm WarningICTHarper62 min
Jul 4, 7:57 AM CDTSevere Thunderstorm WarningICTCherokee, Crawford, Labette63 min
Jul 4, 8:16 AM CDTSevere Thunderstorm WarningICTHarvey, Sedgwick, Sumner64 min
Jul 4, 8:50 AM CDTSevere Thunderstorm WarningICTButler, Cowley50 min
Jul 4, 9:10 AM CDTSevere Thunderstorm WarningICTChautauqua, Elk60 min
Jul 4, 9:42 AM CDTSevere Thunderstorm WarningICTChase, Marion48 min
Jul 4, 9:58 AM CDTSevere Thunderstorm WarningICTChase42 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.