Alert archive / Kansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 69, NWS Wichita, KS

July 4, 1987Chase County, Marion County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 4, 1987, 9:42 AM CDT for Chase County, Marion County, Kansas. It was in force for 48 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: Jul 4, 1987, 9:42 AM CDT (14:42 UTC)
Expired: Jul 4, 1987, 10:30 AM CDT
In force: 48 min
Issued by: NWS Wichita, KS
Area: Whole counties

Counties Chase County, KS, Marion 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

Time	Report	Where	Remark
Jul 4, 9:45 AM CDT	Thunderstorm Wind 61	Marion, 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, 2.7 hours before the alert went out and 312 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2326 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 694 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

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, 5:41 AM CDT, 4 hours 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 3:32 AM CDT	Severe Thunderstorm Warning	ICT	Sumner	58 min
Jul 4, 3:41 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	59 min
Jul 4, 4:37 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	63 min
Jul 4, 4:54 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	56 min
Jul 4, 6:01 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Montgomery	59 min
Jul 4, 6:16 AM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno	64 min
Jul 4, 7:23 AM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno	57 min
Jul 4, 7:48 AM CDT	Severe Thunderstorm Warning	ICT	Harper	62 min
Jul 4, 7:57 AM CDT	Severe Thunderstorm Warning	ICT	Cherokee, Crawford, Labette	63 min
Jul 4, 8:16 AM CDT	Severe Thunderstorm Warning	ICT	Harvey, Sedgwick, Sumner	64 min
Jul 4, 8:50 AM CDT	Severe Thunderstorm Warning	ICT	Butler, Cowley	50 min
Jul 4, 9:10 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk	60 min
Jul 4, 9:58 AM CDT	Severe Thunderstorm Warning	ICT	Chase	42 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1987 Every 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.