Alert archive / Kansas / Flash Flood Warnings in 2018

Flash Flood Warning 4, NWS Wichita, KS

August 14, 2018Chautauqua County, Kansas

NWS Wichita, KS issued this flash flood warning at Aug 14, 2018, 11:30 PM CDT for Chautauqua 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 outline as issued.

The facts

Issued
Aug 14, 2018, 11:30 PM CDT (04:30 UTC)
Expired
Aug 15, 2018, 3:59 AM CDT
In force
4 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Flood severity
None

County Chautauqua County, KS

The radar

The Wichita radar (KICT), 114 km from the middle of the area, began a volume at 04:29 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

Topeka, KS (KFOE), launched 00:00Z, 4.5 hours before the alert went out and 211 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 2018-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1116 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2018-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939Sfc1 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
1116 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

731 
WGUS53 KICT 150430
FFWICT
KSC019-151230-
/O.NEW.KICT.FF.W.0004.180815T0430Z-180815T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wichita KS
1130 PM CDT TUE AUG 14 2018

The National Weather Service in Wichita has issued a

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

* Until 730 AM CDT Wednesday.

* At 1128 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Three to five inches of rain 
  have already fallen. Flash flooding is imminent!

* Some locations that will experience flooding include...
  Sedan, Peru, Niotaze and Hale. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3715 9653 3730 9653 3730 9596 3700 9597

$$

ES
1 follow-up statement
595 
WGUS73 KICT 150859
FFSICT

Flash Flood Statement
National Weather Service Wichita KS
359 AM CDT WED AUG 15 2018

KSC019-150904-
/O.CAN.KICT.FF.W.0004.000000T0000Z-180815T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chautauqua KS-
359 AM CDT WED AUG 15 2018

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

The heavy rain has ended. Local law enforcement reported that waters 
levels had receded with only a few rural county roads partially 
covered with water. All roads remained passable. The threat for 
flash flooding has ended. 

LAT...LON 3715 9653 3730 9653 3730 9596 3700 9597

$$

DARMOFAL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 8:03 PM CDTFlash Flood Warning EmergencyICTMontgomery6 hr
Aug 14, 10:55 PM CDTFlash Flood WarningICTLabette8 hr
Aug 14, 11:49 PM CDTFlash Flood Warning EmergencyICTMontgomery8 hr
Aug 15, 1:40 AM CDTRiver Flood WarningICTMontgomery, Wilson9 hr
Aug 15, 7:40 AM CDTAreal Flood WarningICTMontgomery5 hr
Aug 15, 7:59 AM CDTRiver Flood WarningICTMontgomery6 hr
Aug 15, 12:22 PM CDTAreal Flood WarningICTMontgomery7 hr

Nearby

Flash Flood Warnings in Kansas, 2018Every flash flood warning in 2018

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.