Alert archive / Kansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 17, NWS Wichita, KS

May 18, 1987Crawford County, Neosho County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 18, 1987, 10:23 PM CDT for Crawford County, Neosho County, Kansas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued: May 18, 1987, 10:23 PM CDT (03:23 UTC)
Expired: May 18, 1987, 11:20 PM CDT
In force: 57 min
Issued by: NWS Wichita, KS
Area: Whole counties

Counties Crawford County, KS, Neosho 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

Springfield, MO (KUMN), launched 00:00Z, 3.4 hours before the alert went out and 133 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: 2778 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1244 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 2.8

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, May 18, 8:43 PM CDT, 1 hour 40 minutes before

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Special weather statement, May 18, 9:16 PM CDT, 1 hour 7 minutes before

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Local storm report, May 18, 9:20 PM CDT, 1 hour 3 minutes before

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Local storm report, May 18, 9:29 PM CDT, 54 minutes before

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Special weather statement, May 18, 9:40 PM CDT, 43 minutes before

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Special weather statement, May 18, 9:57 PM CDT, 26 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
May 18, 7:23 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk	57 min
May 18, 7:26 PM CDT	Tornado Warning	ICT	Woodson	64 min
May 18, 7:31 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	59 min
May 18, 8:34 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	46 min
May 18, 10:20 PM CDT	Severe Thunderstorm Warning	ICT	Wilson	40 min
May 18, 11:03 PM CDT	Severe Thunderstorm Warning	ICT	Neosho, Wilson	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; the sounding from the Mesonet's radiosonde archive.