Alert archive / Kansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 15, NWS Wichita, KS

April 6, 2010Greenwood County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 6, 2010, 6:43 PM CDT for Greenwood County, Kansas. It was in force for 62 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: Apr 6, 2010, 6:43 PM CDT (23:43 UTC)
Expired: Apr 6, 2010, 7:45 PM CDT
In force: 62 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

County Greenwood County, KS

The radar

The Wichita radar (KICT), 109 km from the middle of the area, began a volume at 23:43 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
Apr 6, 2:08 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.7 hours before the alert went out and 135 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: 1743 J/kg
Mixed-layer CIN: -254 J/kg
Mixed-layer LCL: 706 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 522 m²/s²
0-3 km storm-relative helicity: 542 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Apr 6, 6:29 PM CDT, 14 minutes earlier.

Area forecast discussion, Apr 6, 6:29 PM CDT, 14 minutes before

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Hazardous weather outlook, Apr 6, 1:06 PM CDT, 5 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
106 PM CDT TUE APR 6 2010

KSZ032-033-047>053-067>072-082-083-091>096-098>100-071200-
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-
106 PM CDT TUE APR 6 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING ALONG
AND EAST OF THE KANSAS TURNPIKE...AS A DRYLINE AND COLD FRONT PUSH
THROUGH THE AREA. LARGE HAIL...DAMAGING WINDS...AND AN ISOLATED
TORNADO WILL BE POSSIBLE LATE THIS AFTERNOON INTO EARLY EVENING. THE
SEVERE THREAT WILL TRANSITION TO MAINLY DAMAGING WINDS FOR SOUTHEAST
KANSAS TONIGHT AS THE COLD FRONT PUSHES RAPIDLY EAST.

WINDS ARE GOING TO BE GUSTY ACROSS THE ENTIRE AREA TODAY. PLEASE
SEE THE LATEST WIND ADVISORY FOR DETAILS.

THE GRASSLAND FIRE DANGER INDEX IS EXPECTED TO CLIMB TO EXTREME
ACROSS MUCH OF CENTRAL AND SOUTH CENTRAL KANSAS THIS AFTERNOON.
PLEASE SEE THE LATEST RED FLAG WARNING FOR DETAILS. OUTSIDE OF THE
RED FLAG WARNING...GRASSLAND FIRE DANGER WILL BE IN THE VERY HIGH
CATEGORY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE GRASSLAND FIRE DANGER WILL BE VERY HIGH ACROSS CENTRAL KANSAS
AND THE FLINT HILLS ON WEDNESDAY. VERY HIGH FIRE DANGER WILL
AGAIN BE POSSIBLE FOR PARTS OF CENTRAL AND SOUTHEAST KANSAS FROM
FRIDAY THROUGH SUNDAY.

A CHANCE OF THUNDERSTORMS RETURNS TO THE AREA SUNDAY NIGHT. AT
THIS TIME...A FEW STRONG STORMS LOOK POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED FROM 3 PM THIS AFTERNOON
UNTIL MIDNIGHT TONIGHT...EAST OF THE KANSAS TURNPIKE.

&&

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

SCHRECK/JMC

In the hours before

Local storm report, Apr 6, 6:05 PM CDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WICHITA KS
605 PM CDT TUE APR 06 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0603 PM     HAIL             PARK CITY               37.80N 97.32W
04/06/2010  E0.88 INCH       SEDGWICK           KS   AMATEUR RADIO

&&

REC

Local storm report, Apr 6, 6:08 PM CDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WICHITA KS
608 PM CDT TUE APR 06 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0604 PM     FLASH FLOOD      6 NE EAST WICHITA       37.75N 97.18W
04/06/2010                   SEDGWICK           KS   TRAINED SPOTTER

            SPOTTER REPORTS PEA SIZE HAIL WITH HEAVY RAIN AND
            FLOODING ROADS AT GREENWICH ROAD AND 79TH.

&&

VJP

Local storm report, Apr 6, 6:12 PM CDT, 31 minutes before

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Local storm report, Apr 6, 6:17 PM CDT, 26 minutes before

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Local storm report, Apr 6, 6:39 PM CDT, 4 minutes before

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Local storm report, Apr 6, 6:41 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
Apr 6, 3:22 AM CDT	Wind Advisory	ICT	Allen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more	18 hr
Apr 6, 5:10 AM CDT	Red Flag Warning	ICT	Barton, Butler, Chase, Ellsworth, Greenwood, Harper and 8 more	15 hr
Apr 6, 2:29 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	61 min
Apr 6, 3:20 PM CDT	Areal Flood Warning	ICT	Chase	4 hr
Apr 6, 3:25 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	65 min
Apr 6, 3:55 PM CDT	Areal Flood Warning	ICT	Butler	5 hr
Apr 6, 4:32 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	58 min
Apr 6, 4:39 PM CDT	Areal Flood Warning	ICT	Marion	5 hr
Apr 6, 5:18 PM CDT	Flash Flood Warning	ICT	Butler, Chase, Marion	5 hr
Apr 6, 5:34 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Harvey, Sedgwick	56 min
Apr 6, 5:50 PM CDT	Areal Flood Warning	ICT	Sedgwick	3 hr
Apr 6, 6:08 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	42 min
Apr 6, 6:37 PM CDT	Severe Thunderstorm Warning	ICT	Chase	30 min

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.