Alert archive / Kansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 241, NWS Wichita, KS

October 4, 2013Sedgwick County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Oct 4, 2013, 5:28 PM CDT for Sedgwick County, Sumner County, Kansas. It was in force for 47 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: Oct 4, 2013, 5:28 PM CDT (22:28 UTC)
Expired: Oct 4, 2013, 6:15 PM CDT
In force: 47 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Sedgwick County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 22 km from the middle of the area, began a volume at 22:29 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
Oct 4, 3:11 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 10.5 hours before the alert went out and 234 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: 1889 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 629 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 11.8

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 Oct 4, 3:38 PM CDT, 1 hour 50 minutes earlier.

Area forecast discussion, Oct 4, 3:38 PM CDT, 1 hour 50 minutes before

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Hazardous weather outlook, Oct 4, 4:13 PM CDT, 1 hour 15 minutes before

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In the hours before

Special weather statement, Oct 4, 3:42 PM CDT, 1 hour 46 minutes before

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Special weather statement, Oct 4, 4:38 PM CDT, 50 minutes before

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Local storm report, Oct 4, 5:05 PM CDT, 23 minutes before

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Special weather statement, Oct 4, 5:10 PM CDT, 18 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
Oct 4, 3:42 PM CDT	Special Weather Statement	ICT	McPherson	33 min
Oct 4, 4:38 PM CDT	Special Weather Statement	ICT	Kingman	52 min
Oct 4, 4:56 PM CDT	Severe Thunderstorm Warning	ICT	Harper, Kingman, Sedgwick, Sumner	49 min
Oct 4, 5:10 PM CDT	Special Weather Statement	ICT	Marion	50 min
Oct 4, 5:37 PM CDT	Special Weather Statement	ICT	Chase	38 min
Oct 4, 5:50 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Sedgwick	40 min
Oct 4, 6:01 PM CDT	Special Weather Statement	ICT	Harper	44 min
Oct 4, 6:08 PM CDT	Special Weather Statement	ICT	Sumner	37 min
Oct 4, 6:23 PM CDT	Special Weather Statement	ICT	Butler	52 min
Oct 4, 6:42 PM CDT	Special Weather Statement	ICT	Sedgwick	33 min
Oct 4, 6:43 PM CDT	Special Weather Statement	ICT	Sumner	47 min
Oct 4, 6:59 PM CDT	Special Weather Statement	ICT	Greenwood	46 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2013 Every severe thunderstorm warning in 2013

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.