Alert archive / Kansas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 215, NWS Wichita, KS

September 7, 2015Chase County, Marion County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Sep 7, 2015, 7:27 PM CDT for Chase County, Marion County, Kansas. It was in force for 48 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: Sep 7, 2015, 7:27 PM CDT (00:27 UTC)
Expired: Sep 7, 2015, 8:15 PM CDT
In force: 48 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Chase County, KS, Marion County, KS

The radar

The Topeka radar (KTWX), 91 km from the middle of the area, began a volume at 00:28 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
Sep 7, 6:38 PM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 0.5 hours before the alert went out and 128 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: 1383 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.2

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 Sep 7, 6:48 PM CDT, 39 minutes earlier.

Area forecast discussion, Sep 7, 6:48 PM CDT, 39 minutes before

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Hazardous weather outlook, Sep 7, 6:50 PM CDT, 37 minutes before

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In the hours before

Local storm report, Sep 7, 6:21 PM CDT, 1 hour 6 minutes before

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Special weather statement, Sep 7, 6:28 PM CDT, 59 minutes before

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Local storm report, Sep 7, 6:30 PM CDT, 57 minutes before

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Special weather statement, Sep 7, 6:40 PM CDT, 47 minutes before

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Local storm report, Sep 7, 6:46 PM CDT, 41 minutes before

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Local storm report, Sep 7, 6:47 PM CDT, 40 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
Sep 7, 7:00 PM CDT	Special Weather Statement	ICT	Sedgwick	45 min
Sep 7, 7:33 PM CDT	Special Weather Statement	ICT	Saline	27 min
Sep 7, 8:12 PM CDT	Special Weather Statement	ICT	Chase	48 min
Sep 8, 2:59 PM CDT	Special Weather Statement	ICT	Kingman	46 min
Sep 8, 3:04 PM CDT	Special Weather Statement	ICT	Kingman	41 min
Sep 8, 3:43 PM CDT	Special Weather Statement	ICT	Sedgwick, Sumner	47 min
Sep 8, 5:29 PM CDT	Special Weather Statement	ICT	Cowley	31 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2015 Every severe thunderstorm warning in 2015

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.