Alert archive / Kansas / Areal Flood Warnings in 2012

Areal Flood Warning 14, NWS Wichita, KS

April 29, 2012Chautauqua County, Montgomery County, Kansas

NWS Wichita, KS issued this areal flood warning at Apr 29, 2012, 9:16 AM CDT for Chautauqua County, Montgomery County, Kansas. It was in force for 4 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
Apr 29, 2012, 9:16 AM CDT (14:16 UTC)
Expired
Apr 29, 2012, 1:07 PM CDT
In force
4 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Flood severity
None

Counties Chautauqua County, KS, Montgomery County, KS

The radar

The Tulsa radar (KINX), 117 km from the middle of the area, began a volume at 14:16 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

Springfield, MO (KSGF), launched 12:00Z, 2.3 hours before the alert went out and 197 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2012-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1600 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2012-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1600 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.8
Supercell composite
2.9

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 Apr 29, 6:17 AM CDT, 2 hours 59 minutes earlier.

Area forecast discussion, Apr 29, 6:17 AM CDT, 2 hours 59 minutes before
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Hazardous weather outlook, Apr 29, 4:37 AM CDT, 4 hours 39 minutes before
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In the hours before

Special weather statement, Apr 29, 3:53 AM CDT, 5 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
353 AM CDT SUN APR 29 2012

KSZ099-100-290930-
LABETTE-MONTGOMERY-
353 AM CDT SUN APR 29 2012

...THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR LABETTE AND MONTGOMERY COUNTIES...

AT 352 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 6 MILES WEST OF LIBERTY...OR 8 MILES NORTHWEST
OF COFFEYVILLE...AND MOVING NORTHEAST AT 45 MPH.

PENNY TO NICKEL SIZE HAIL...AND WINDS TO 50 MPH ARE POSSIBLE WITH
THIS STORM.

&&

LAT...LON 3738 9583 3738 9529 3700 9550 3700 9586
TIME...MOT...LOC 0854Z 220DEG 37KT 3717 9568

BILLINGS
Special weather statement, Apr 29, 4:13 AM CDT, 5 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
413 AM CDT SUN APR 29 2012

KSZ100-290945-
LABETTE-
413 AM CDT SUN APR 29 2012

...THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR LABETTE COUNTY...

AT 411 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR ALTAMONT...OR 12 MILES SOUTH OF PARSONS...
AND MOVING NORTHEAST AT 50 MPH.

PENNY TO NICKEL SIZE HAIL IS POSSIBLE WITH THIS STORM.

&&

LAT...LON 3705 9532 3720 9543 3738 9507 3737 9507
      3715 9506
TIME...MOT...LOC 0913Z 241DEG 44KT 3717 9527

BILLINGS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 12:49 AM CDTSevere Thunderstorm WarningICTHarper, Sumner41 min
Apr 29, 1:09 AM CDTSpecial Weather StatementICTSumner36 min
Apr 29, 1:30 AM CDTSevere Thunderstorm WarningICTCowley, Sumner60 min
Apr 29, 2:18 AM CDTSpecial Weather StatementICTButler27 min
Apr 29, 3:53 AM CDTSpecial Weather StatementICTMontgomery37 min
Apr 29, 4:13 AM CDTSpecial Weather StatementICTLabette32 min

Nearby

Areal Flood Warnings in Kansas, 2012Every areal flood warning in 2012

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.