Alert archive / Kansas / Areal Flood Warnings in 2011

Areal Flood Warning 41, NWS Wichita, KS

August 12, 2011Montgomery County, Kansas

NWS Wichita, KS issued this areal flood warning at Aug 12, 2011, 10:28 PM CDT for Montgomery County, Kansas. It was in force for 6 hr. 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 12, 2011, 10:28 PM CDT (03:28 UTC)
Expired: Aug 13, 2011, 4:43 AM CDT
In force: 6 hr
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Flood severity: None

County Montgomery County, KS

The radar

The Tulsa radar (KINX), 114 km from the middle of the area, began a volume at 03:29 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

Lamont, OK (KLMN), launched 00:00Z, 3.5 hours before the alert went out and 167 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: 2979 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1349 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 7.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at Aug 12, 9:39 PM CDT, 49 minutes earlier.

Area forecast discussion, Aug 12, 9:39 PM CDT, 49 minutes before

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Hazardous weather outlook, Aug 12, 3:51 PM CDT, 6 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
351 PM CDT FRI AUG 12 2011

KSZ032-033-047>053-067>072-082-083-091>096-098>100-132100-
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-
351 PM CDT FRI AUG 12 2011

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

.DAY ONE...TONIGHT

SEVERE THUNDERSTORMS ARE LIKELY THIS EVENING OVER PRIMARILY SOUTH
CENTRAL KANSAS...AND PORTIONS OF SOUTHEAST KANSAS. THE GREATEST
THREAT WILL LIKELY BE GENERALLY SOUTHWEST OF A LINE EXTENDING FROM
GREAT BEND TO HUTCHINSON...TO EL DORADO TO SEDAN. THE STRONGEST
ACTIVITY WILL BE CAPABLE OF GOLFBALL SIZE HAIL OR LARGER AND
DAMAGING WINDS GREATER THAN 70 MPH. THE SEVERE THREAT WILL WANE
LATER THIS EVENING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SCATTERED STRONG TO MARGINALLY SEVERE THUNDERSTORMS WILL BE
POSSIBLE SUNDAY NIGHT GENERALLY WEST OF THE KANSAS TURNPIKE...WITH
THESE CHANCES CONTINUING ACROSS THE ENTIRE AREA MONDAY AND MONDAY
NIGHT. WHILE CONFIDENCE IS LOW REGARDING SPECIFICS...PERIODIC
THUNDERSTORM CHANCES COULD CONTINUE TUESDAY THROUGH THE END OF THE
WORK WEEK.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND
EVENING...GENERALLY SOUTHWEST OF A LINE EXTENDING FROM GREAT BEND
TO HUTCHINSON...TO EL DORADO TO SEDAN.

&&

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

EPS/ADK

In the hours before

Local storm report, Aug 12, 9:31 PM CDT, 57 minutes before

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Local storm report, Aug 12, 9:36 PM CDT, 52 minutes before

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Local storm report, Aug 12, 9:37 PM CDT, 51 minutes before

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Special weather statement, Aug 12, 9:37 PM CDT, 51 minutes before

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Local storm report, Aug 12, 9:38 PM CDT, 50 minutes before

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Local storm report, Aug 12, 9:42 PM CDT, 46 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 12, 7:15 PM CDT	Severe Thunderstorm Warning	ICT	Harper, Kingman, Sumner	60 min
Aug 12, 7:28 PM CDT	Severe Thunderstorm Warning	ICT	McPherson, Marion	62 min
Aug 12, 7:51 PM CDT	Severe Thunderstorm Warning	ICT	Harvey	54 min
Aug 12, 8:16 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	59 min
Aug 12, 8:23 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Sedgwick	52 min
Aug 12, 8:58 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Greenwood	36 min
Aug 12, 9:08 PM CDT	Areal Flood Warning	ICT	Elk, Labette, Montgomery, Neosho, Wilson	8 hr
Aug 12, 9:48 PM CDT	Areal Flood Warning	ICT	Chautauqua, Elk	7 hr

Nearby

Areal Flood Warnings in Kansas, 2011 Every areal flood warning in 2011

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.