Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 183, NWS Wichita, KS

June 12, 2009Cowley County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jun 12, 2009, 8:21 AM CDT for Cowley County, Kansas. It was in force for 47 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: Jun 12, 2009, 8:21 AM CDT (13:21 UTC)
Expired: Jun 12, 2009, 9:08 AM CDT
In force: 47 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon

County Cowley County, KS

The radar

The Wichita radar (KICT), 71 km from the middle of the area, began a volume at 13:24 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
Jun 12, 7:46 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 1.4 hours before the alert went out and 89 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: 678 J/kg
Mixed-layer CIN: -151 J/kg
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.3

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 Jun 12, 8:02 AM CDT, 19 minutes earlier.

Area forecast discussion, Jun 12, 8:02 AM CDT, 19 minutes before

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Hazardous weather outlook, Jun 12, 4:34 AM CDT, 3 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
434 AM CDT FRI JUN 12 2009

KSZ032-033-047>053-067>072-082-083-091>096-098>100-130945-
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-
434 AM CDT FRI JUN 12 2009

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

.DAY ONE...TODAY AND TONIGHT

STRONG TO SEVERE THUNDERSTORMS WILL MOVE ACROSS SOUTH CENTRAL
KANSAS EARLY THIS MORNING. THE PRIMARY THREAT WILL BE QUARTER TO
GOLFBALL SIZED HAIL. ISOLATED WIND GUSTS TO AROUND 60 MPH ARE
ALSO POSSIBLE. OTHER THUNDERSTORMS MOVING OUT OF NORTHWEST KANSAS
COULD TRAVERSE CENTRAL KANSAS THIS MORNING AND EARLY EARLY
AFTERNOON. LOCALLY HEAVY RAIN IS POSSIBLE FROM THE ANY OF THE
STORMS TODAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORM CHANCES SHOULD INCREASE FOR SATURDAY NIGHT AND
SUNDAY...AS A WARM FRONT MOVES NORTH OUT OF OKLAHOMA.  STRONG TO
SEVERE STORMS WILL BE POSSIBLE...ALONG WITH LOCALLY HEAVY
RAIN...ESPECIALLY AREAS SOUTH OF HIGHWAY 400 SATURDAY NIGHT.

THE PATTERN WILL LIKELY REMAIN UNSETTLED INTO AT LEAST EARLY NEXT
WEEK...WITH CONTINUED PERIODIC BOUTS OF SCATTERED STRONG TO
SEVERE STORMS WITH LOCALLY HEAVY RAINFALL...BUT PREDICTABILITY
REMAINS LOW AT THIS TIME. CHECK LATER OUTLOOKS FOR UPDATED
INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE REQUIRED THIS MORNING ACROSS
SOUTH CENTRAL KANSAS. ACTIVATION IS ALSO POSSIBLE SATURDAY
EVENING AND ON SUNDAY.

&&

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

HOWERTON

In the hours before

Special weather statement, Jun 12, 6:08 AM CDT, 2 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
608 AM CDT FRI JUN 12 2009

KSZ091-121315-
HARPER-
608 AM CDT FRI JUN 12 2009

...THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A SIGNIFICANT
WEATHER ALERT FOR HARPER COUNTY...

AT 607 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR MEDICINE LODGE...AND MOVING EAST AT 25
MPH.

DIME SIZE HAIL...AND WINDS TO 50 MPH ARE EXPECTED WITH THIS STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE, OR A WARNING IS ISSUED BY THE NATIONAL WEATHER
SERVICE.

KRC

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 6:35 AM CDT	Severe Thunderstorm Warning	ICT	Harper	85 min
Jun 12, 7:40 AM CDT	Severe Thunderstorm Warning	ICT	Sumner	65 min
Jun 12, 8:30 AM CDT	Areal Flood Warning	ICT	Chautauqua, Cowley, Elk	3 hr
Jun 12, 9:37 AM CDT	Areal Flood Warning	ICT	Labette, Montgomery	2 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.