Alert archive / Kansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 22, NWS Kansas City, MO

May 12, 1986Leavenworth County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at May 12, 1986, 11:15 PM CDT for Leavenworth County, Kansas. It was in force for 45 min.

The area

The counties it named.

The facts

Issued: May 12, 1986, 11:15 PM CDT (04:15 UTC)
Expired: May 13, 1986, 12:00 AM CDT
In force: 45 min
Issued by: NWS Kansas City, MO
Area: Whole counties

County Leavenworth 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

Topeka, KS (KTOP), launched 00:00Z, 4.3 hours before the alert went out and 56 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: 2058 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1781 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

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 12, 6:04 PM CDT, 5 hours 11 minutes before

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Special weather statement, May 12, 7:41 PM CDT, 3 hours 34 minutes before

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Special weather statement, May 12, 8:13 PM CDT, 3 hours 2 minutes before

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Special weather statement, May 12, 8:39 PM CDT, 2 hours 36 minutes before

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Special weather statement, May 12, 9:41 PM CDT, 1 hour 34 minutes before

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Special weather statement, May 12, 11:05 PM CDT, 10 minutes before

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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 12, 8:00 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Nodaway	45 min
May 12, 8:24 PM CDT	Severe Thunderstorm Warning	EAX	Holt, Nodaway	36 min
May 12, 9:06 PM CDT	Severe Thunderstorm Warning	EAX	Holt, Nodaway	39 min
May 12, 9:51 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	39 min
May 12, 10:11 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	49 min
May 12, 10:49 PM CDT	Severe Thunderstorm Warning	EAX	Platte	41 min
May 12, 11:34 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	41 min
May 13, 6:52 PM CDT	Tornado Warning	EAX	Maries, Miller	53 min
May 12, 9:19 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	41 min
May 13, 12:25 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	35 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1986 Every severe thunderstorm warning in 1986

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.