Alert archive / Kansas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 391, NWS Wichita, KS

July 22, 2008McPherson County, Saline County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jul 22, 2008, 7:30 PM CDT for McPherson County, Saline County, Kansas. It was in force for 30 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: Jul 22, 2008, 7:30 PM CDT (00:30 UTC)
Expired: Jul 22, 2008, 8:00 PM CDT
In force: 30 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon

Counties McPherson County, KS, Saline County, KS

The radar

The Wichita radar (KICT), 105 km from the middle of the area, began a volume at 00:33 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

Topeka, KS (KTOP), launched 00:00Z, 0.5 hours before the alert went out and 180 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: 3006 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1269 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 16.4

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 Jul 22, 6:38 PM CDT, 52 minutes earlier.

Area forecast discussion, Jul 22, 6:38 PM CDT, 52 minutes before

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Hazardous weather outlook, Jul 22, 5:48 PM CDT, 1 hour 42 minutes before

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In the hours before

Local storm report, Jul 22, 6:25 PM CDT, 1 hour 5 minutes before

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Special weather statement, Jul 22, 6:27 PM CDT, 1 hour 3 minutes before

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Local storm report, Jul 22, 6:45 PM CDT, 45 minutes before

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Local storm report, Jul 22, 6:47 PM CDT, 43 minutes before

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Local storm report, Jul 22, 6:53 PM CDT, 37 minutes before

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Local storm report, Jul 22, 6:59 PM CDT, 31 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
Jul 22, 8:38 PM CDT	Severe Thunderstorm Warning	ICT	Chase, Marion	24 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2008 Every severe thunderstorm warning in 2008

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.