Alert archive / Kansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 91, NWS Wichita, KS

May 13, 2010Cowley County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 13, 2010, 12:45 AM CDT for Cowley County, Sumner County, Kansas. It was in force for 46 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: May 13, 2010, 12:45 AM CDT (05:45 UTC)
Expired: May 13, 2010, 1:31 AM CDT
In force: 46 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.75 in
Wind: 70.0 mph

Counties Cowley County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 53 km from the middle of the area, began a volume at 05:48 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 12, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.8 hours before the alert went out and 225 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: 1252 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1264 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.2

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 May 13, 12:24 AM CDT, 21 minutes earlier.

Area forecast discussion, May 13, 12:24 AM CDT, 21 minutes before

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Hazardous weather outlook, May 12, 8:34 PM CDT, 4 hours 11 minutes before

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In the hours before

Special weather statement, May 12, 9:57 PM CDT, 2 hours 48 minutes before

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Special weather statement, May 12, 10:43 PM CDT, 2 hours 2 minutes before

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Special weather statement, May 12, 11:09 PM CDT, 1 hour 36 minutes before

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Special weather statement, May 12, 11:40 PM CDT, 1 hour 5 minutes before

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Special weather statement, May 13, 12:03 AM CDT, 42 minutes before

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Special weather statement, May 13, 12:26 AM CDT, 19 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 12, 7:26 PM CDT	Areal Flood Warning	ICT	Sedgwick	4 hr
May 12, 7:37 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Harvey, Sedgwick	37 min
May 12, 8:07 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	53 min
May 12, 8:13 PM CDT	Tornado Warning	ICT	Butler	32 min
May 12, 8:43 PM CDT	Severe Thunderstorm Warning	ICT	Chase	43 min
May 12, 8:45 PM CDT	Areal Flood Warning	ICT	Harper, Sumner	5 hr
May 12, 9:09 PM CDT	Areal Flood Warning	ICT	Butler, Harvey, Marion	5 hr
May 12, 9:29 PM CDT	Areal Flood Warning	ICT	Chase	11 hr
May 12, 9:38 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chautauqua, Cowley, Elk, Greenwood	24 min
May 12, 11:49 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	41 min
May 13, 1:16 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk	59 min
May 13, 1:52 AM CDT	Severe Thunderstorm Warning	ICT	Montgomery, Wilson	38 min
May 13, 2:16 AM CDT	Severe Thunderstorm Warning	ICT	Allen, Labette, Neosho	42 min
May 13, 9:42 AM CDT	River Flood Warning	ICT	Allen	17 hr
May 13, 9:42 AM CDT	River Flood Warning	ICT	Allen, Neosho	23 hr
May 13, 9:42 AM CDT	River Flood Warning	ICT	Neosho	23 hr
May 13, 9:42 AM CDT	River Flood Warning	ICT	Labette, Neosho	47 hr
May 13, 9:42 AM CDT	River Flood Warning	ICT	Labette	58 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2010 Every severe thunderstorm warning in 2010

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.