Alert archive / Kansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 290, NWS Wichita, KS

August 6, 2019Butler County, Greenwood County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Aug 6, 2019, 5:03 PM CDT for Butler County, Greenwood County, Kansas. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 6, 2019, 5:03 PM CDT (22:03 UTC)
Expired: Aug 6, 2019, 5:30 PM CDT
In force: 27 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Butler County, KS, Greenwood County, KS

The radar

The Wichita radar (KICT), 82 km from the middle of the area, began a volume at 22:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.1 hours before the alert went out and 263 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: 1310 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1218 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

Open this sounding in Storm Lab

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.

NWS Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 3:55 PM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Aug 6, 3:55 PM CDT, 1 hour 8 minutes before

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Hazardous weather outlook, Aug 6, 4:38 PM CDT, 25 minutes before

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In the hours before

Local storm report, Aug 6, 3:32 PM CDT, 1 hour 31 minutes before

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Local storm report, Aug 6, 3:35 PM CDT, 1 hour 28 minutes before

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Special weather statement, Aug 6, 3:46 PM CDT, 1 hour 17 minutes before

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Special weather statement, Aug 6, 4:00 PM CDT, 1 hour 3 minutes before

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Local storm report, Aug 6, 4:30 PM CDT, 33 minutes before

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Local storm report, Aug 6, 4:34 PM CDT, 29 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
Aug 6, 3:06 PM CDT	Special Weather Statement	ICT	Sedgwick	24 min
Aug 6, 3:20 PM CDT	Severe Thunderstorm Warning	ICT	Harvey, Sedgwick	34 min
Aug 6, 3:46 PM CDT	Special Weather Statement	ICT	Butler	29 min
Aug 6, 3:58 PM CDT	Heat Advisory	ICT	Barton, Butler, Chautauqua, Cowley, Elk, Ellsworth and 11 more	27 hr
Aug 6, 4:00 PM CDT	Special Weather Statement	ICT	Sedgwick	30 min
Aug 6, 4:10 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Harvey	65 min
Aug 6, 4:35 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	40 min
Aug 6, 6:27 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	48 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2019 Every severe thunderstorm warning in 2019

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; radar from the NEXRAD Level II archive.