Alert archive / Kansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 28, NWS Wichita, KS

April 23, 2010Butler County, Chase County, Greenwood County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 23, 2010, 9:52 PM CDT for Butler County, Chase County, Greenwood County, Kansas. It was in force for 23 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 23, 2010, 9:52 PM CDT (02:52 UTC)
Expired: Apr 23, 2010, 10:15 PM CDT
In force: 23 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, KS, Chase County, KS, Greenwood County, KS

The radar

The Wichita radar (KICT), 86 km from the middle of the area, began a volume at 02:55 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, 2.9 hours before the alert went out and 138 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: 1301 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1552 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 7.3

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 23, 9:51 PM CDT, 1 minute earlier.

Area forecast discussion, Apr 23, 9:51 PM CDT, 1 minute before

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Hazardous weather outlook, Apr 23, 9:39 PM CDT, 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
939 PM CDT FRI APR 23 2010

KSZ032-033-047>053-067>072-082-083-091>096-098>100-250245-
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-
939 PM CDT FRI APR 23 2010

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

.DAY ONE...TONIGHT

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THIS EVENING ACROSS
MUCH OF THE AREA. A FEW STRONG STORMS...WITH GUSTY WINDS TO
55 MPH AND SMALL HAIL WILL BE POSSIBLE...FOR AREAS MAINLY EAST OF
A CASSODAY TO ARKANSAS CITY LINE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ISOLATED THUNDERSTORMS WILL BE POSSIBLE SATURDAY ACROSS THE ENTIRE
AREA. THESE STORMS ARE NOT EXPECTED TO BE STRONG OR SEVERE. STRONG
NORTHWEST WINDS ON SATURDAY AFTERNOON ARE EXPECTED TO ELEVATE THE
GRASSLAND FIRE DANGER INTO THE VERY HIGH CATEGORY ACROSS RUSSELL
AND LINCOLN COUNTIES.

STRONG SOUTH WINDS ARE EXPECTED FOR WEDNESDAY ACROSS THE ENTIRE
FORECAST AREA. THIS WILL RESULT IN VERY HIGH GRASSLAND FIRE DANGER
FOR MUCH OF THE AREA WEDNESDAY AFTERNOON.

ANOTHER STORM SYSTEM WILL AFFECT THE CENTRAL PLAINS FOR THE END OF
NEXT WEEK. SEVERE THUNDERSTORMS WILL BE POSSIBLE FROM WEDNESDAY
NIGHT THROUGH THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT.

&&

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

KED

In the hours before

Special weather statement, Apr 23, 9:11 PM CDT, 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
911 PM CDT FRI APR 23 2010

KSZ069-093-240300-
BUTLER-COWLEY-
911 PM CDT FRI APR 23 2010

...THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR BUTLER AND COWLEY COUNTIES...

AT 904 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR WINFIELD...AND MOVING NORTHEAST AT 50 MPH.

WINDS TO 50 MPH ARE EXPECTED WITH THIS STORM.

JAKUB

Local storm report, Apr 23, 9:41 PM CDT, 11 minutes before

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Local storm report, Apr 23, 9:47 PM CDT, 5 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 23, 9:42 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Cowley, Elk, Greenwood	49 min
Apr 24, 4:00 AM CDT	Wind Advisory	ICT	Barton, Russell	16 hr
Apr 24, 3:09 PM CDT	Severe Thunderstorm Warning	ICT	Reno	15 min
Apr 24, 4:17 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	23 min
Apr 24, 5:04 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	12 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.