Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 3, NWS Wichita, KS

April 29, 2017Labette County, Kansas

NWS Wichita, KS issued this flash flood warning at Apr 29, 2017, 9:16 PM CDT for Labette County, Kansas. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 29, 2017, 9:16 PM CDT (02:16 UTC)
Expired
Apr 30, 2017, 3:15 AM CDT
In force
6 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Flood severity
None

County Labette County, KS

The radar

The Tulsa radar (KINX), 110 km from the middle of the area, began a volume at 02:15 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.

What was reported inside it

TimeReportWhereRemark
Apr 29, 10:32 PM CDTFLASH FLOOD1 W Chetopa, KSWATER OVER HIGHWAY 166 WEST OF CHETOPA AND WILL LIKELY BE CLOSED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 2.3 hours before the alert went out and 210 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, Topeka, KS at 00:00Z on 2017-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2017-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 429 square meters per square second.1939587897Sfc1 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
105 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
440 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
429 m²/s²
0-3 km storm-relative helicity
415 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

933 
WGUS53 KICT 300216
FFWICT
KSC099-300815-
/O.NEW.KICT.FF.W.0003.170430T0216Z-170430T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wichita KS
916 PM CDT SAT APR 29 2017

The National Weather Service in Wichita has issued a

* Flash Flood Warning for...
  Labette County in southeastern Kansas...

* Until 315 AM CDT.

* At 915 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between two and three inches of 
  rain has already fallen over the last few hours with additional 
  rainfall expected tonight. 

* Some locations that will experience flooding include...
  Parsons, Oswego, Chetopa, Altamont, Edna, Mound Valley, Bartlett,
  Labette and Dennis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3700 9548 3738 9542 3738 9508 3703 9507
      3700 9508

$$

LAWSON
2 follow-up statements
517 
WGUS73 KICT 300339
FFSICT

Flash Flood Statement
National Weather Service Wichita KS
1039 PM CDT SAT APR 29 2017

KSC099-300815-
/O.CON.KICT.FF.W.0003.000000T0000Z-170430T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Labette KS-
1039 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR
LABETTE COUNTY...

At 1036 PM CDT, local law enforcement reported water over Highway 
166 west of Chetopa. Between 3 and 4 inches of rain has fallen with 
additional rainfall expected tonight. 

Some locations that will experience flooding include...
Parsons, Oswego, Chetopa, Altamont, Edna, Mound Valley, Bartlett,
Labette and Dennis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3700 9548 3738 9542 3738 9508 3703 9507
      3700 9508

$$

LAWSON
653 
WGUS73 KICT 300451
FFSICT

Flash Flood Statement
National Weather Service Wichita KS
1151 PM CDT SAT APR 29 2017

KSC099-300500-
/O.CAN.KICT.FF.W.0003.000000T0000Z-170430T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Labette KS-
1151 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING FOR LABETTE COUNTY IS CANCELLED...

The heavy rain has ended. The significnt flooding is no longer 
expected, however minor flooding will continue into the morning 
hours due to excessive runoff from earlier heavy rainfal. Please 
continue to heed any remaining road closures.

LAT...LON 3700 9548 3738 9542 3738 9508 3703 9507
      3700 9508

$$

JAKUB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:03 PM CDTSpecial Weather StatementICTCowley27 min
Apr 29, 7:24 PM CDTSpecial Weather StatementICTElk36 min
Apr 29, 7:35 PM CDTSpecial Weather StatementICTLabette25 min
Apr 29, 7:47 PM CDTSevere Thunderstorm WarningICTLabette, Montgomery43 min
Apr 29, 8:07 PM CDTSevere Thunderstorm WarningICTLabette, Neosho38 min
Apr 29, 8:37 PM CDTRiver Flood WarningICTAllen, Neosho49 hr
Apr 29, 8:37 PM CDTRiver Flood WarningICTNeosho63 hr
Apr 29, 8:42 PM CDTFlash Flood WarningICTMontgomery4 hr
Apr 29, 8:47 PM CDTAreal Flood WarningICTNeosho, Wilson12 hr
Apr 29, 11:00 PM CDTAreal Flood WarningICTAllen4 days
Apr 30, 1:22 AM CDTRiver Flood WarningICTMontgomery, Wilson37 hr
Apr 30, 3:05 AM CDTRiver Flood WarningICTMontgomery51 hr
Apr 30, 4:15 AM CDTWind AdvisoryICTBarton, Ellsworth, Lincoln, Russell14 hr
Apr 30, 4:39 AM CDTRiver Flood WarningICTAllen28 hr
Apr 30, 8:28 AM CDTAreal Flood WarningICTNeosho, Wilson30 hr

Nearby

Flash Flood Warnings in Kansas, 2017Every flash flood warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.