Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 322, NWS Wichita, KS

August 10, 2009Woodson County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Aug 10, 2009, 1:38 PM CDT for Woodson County, Kansas. It was in force for 67 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 10, 2009, 1:38 PM CDT (18:38 UTC)
Expired: Aug 10, 2009, 2:45 PM CDT
In force: 67 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon

County Woodson County, KS

The radar

The Topeka radar (KTWX), 131 km from the middle of the area, began a volume at 18:41 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 12:00Z, 6.6 hours before the alert went out and 124 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: 1686 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Aug 10, 12:52 PM CDT, 46 minutes earlier.

Area forecast discussion, Aug 10, 12:52 PM CDT, 46 minutes before

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Hazardous weather outlook, Aug 10, 7:18 AM CDT, 6 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
718 AM CDT MON AUG 10 2009

KSZ032-033-047>053-067>072-082-083-091>096-098>100-111230-
RUSSELL-LINCOLN-BARTON-ELLSWORTH-SALINE-RICE-MCPHERSON-MARION-CHASE-
RENO-HARVEY-BUTLER-GREENWOOD-WOODSON-ALLEN-KINGMAN-SEDGWICK-HARPER-
SUMNER-COWLEY-ELK-WILSON-NEOSHO-CHAUTAUQUA-MONTGOMERY-LABETTE-
718 AM CDT MON AUG 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL KANSAS...
SOUTH CENTRAL KANSAS AND SOUTHEAST KANSAS.

.DAY ONE...TODAY AND TONIGHT

PATCHY FOG WILL AFFECT PARTS OF CENTRAL KANSAS THIS
MORNING...REDUCING THE VISIBILITY TO AROUND ONE-HALF MILE IN
LOW-LYING AREAS.

THUNDERSTORMS WILL BE POSSIBLE TODAY AND ESPECIALLY TONIGHT
AREAWIDE. ANY STORM THAT DEVELOPS THIS AFTERNOON THROUGH THE
OVERNIGHT HOURS WILL HAVE A CHANCE TO BE SEVERE WITH LARGE HAIL
AND SEVERE WINDS THE MAIN THREATS. IN ADDITION...HEAVY RAINFALL
WILL BE POSSIBLE WITH THE MORE WIDESPREAD STORMS OVERNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

STORMS ARE EXPECTED TO LINGER OVER SOUTHEAST KANSAS ON TUESDAY
MORNING WITH SOME STRONG STORMS POSSIBLE.

STORMS WILL THEN RETURN TO THE FORECAST ON SUNDAY WITH THESE STORMS
NOT EXPECTED TO BE STRONG OR SEVERE.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAYBE NEEDED AREAWIDE LATE THIS
AFTERNOON THROUGH THE OVERNIGHT HOURS.

&&

FOR A GRAPHICAL VERSION OF THIS INFORMATION...SEE OUR
WEBPAGE AT (LOWERCASE) HTTP://WEATHER.GOV/WICHITA/HWO/HWO.PHP

KED/LAWSON

In the hours before

Special weather statement, Aug 10, 12:37 PM CDT, 1 hour 1 minute before

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Local storm report, Aug 10, 1:02 PM CDT, 36 minutes before

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Local storm report, Aug 10, 1:05 PM CDT, 33 minutes before

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Local storm report, Aug 10, 1:08 PM CDT, 30 minutes before

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Local storm report, Aug 10, 1:34 PM CDT, 4 minutes before

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Special weather statement, Aug 10, 1:36 PM CDT, 2 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 10, 9:24 AM CDT	Severe Thunderstorm Warning	ICT	Russell	66 min
Aug 10, 10:02 AM CDT	Severe Thunderstorm Warning	ICT	Russell	42 min
Aug 10, 10:08 AM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Lincoln	67 min
Aug 10, 10:58 AM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Lincoln, McPherson, Rice, Saline	62 min
Aug 10, 11:49 AM CDT	Severe Thunderstorm Warning	ICT	McPherson, Marion	56 min
Aug 10, 11:53 AM CDT	Areal Flood Warning	ICT	McPherson, Saline	2 hr
Aug 10, 12:27 PM CDT	Severe Thunderstorm Warning	ICT	Chase, Marion	36 min
Aug 10, 1:50 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	26 min
Aug 10, 2:29 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Woodson	47 min
Aug 10, 2:30 PM CDT	Areal Flood Warning	ICT	Allen, Woodson	3 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2009 Every severe thunderstorm warning in 2009

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.