Alert archive / Kansas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 77, NWS Wichita, KS

July 2, 1989Harper County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 2, 1989, 7:47 AM CDT for Harper County, Sumner County, Kansas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued: Jul 2, 1989, 7:47 AM CDT (12:47 UTC)
Expired: Jul 2, 1989, 8:45 AM CDT
In force: 58 min
Issued by: NWS Wichita, KS
Area: Whole counties

Counties Harper County, KS, 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

Norman, OK (KOUN), launched 12:00Z, 0.8 hours before the alert went out and 224 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: 1285 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 2, 4:56 AM CDT, 2 hours 51 minutes before

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Special weather statement, Jul 2, 5:35 AM CDT, 2 hours 12 minutes before

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Special weather statement, Jul 2, 6:09 AM CDT, 1 hour 38 minutes before

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Special weather statement, Jul 2, 6:37 AM CDT, 1 hour 10 minutes before

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Special weather statement, Jul 2, 6:45 AM CDT, 1 hour 2 minutes before

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Special weather statement, Jul 2, 7:41 AM CDT, 6 minutes 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 1, 8:54 PM CDT	Flash Flood Warning	ICT	Bourbon	81 min
Jul 2, 7:10 AM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	65 min
Jul 2, 7:47 AM CDT	Severe Thunderstorm Warning	ICT	Butler, Cowley	58 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1989 Every severe thunderstorm warning in 1989

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.