Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 4, NWS Dodge City, KS

April 12, 2017Lane County, Ness County, Kansas

NWS Dodge City, KS issued this flash flood warning at Apr 12, 2017, 7:34 PM CDT for Lane County, Ness County, Kansas. It was in force for 3 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
Apr 12, 2017, 7:34 PM CDT (00:34 UTC)
Expired
Apr 12, 2017, 10:30 PM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

Counties Lane County, KS, Ness County, KS

The radar

The Dodge City radar (KDDC), 86 km from the middle of the area, began a volume at 00:38 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

Dodge City, (KDDC), launched 00:00Z, 0.6 hours before the alert went out and 88 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, Dodge City, at 00:00Z on 2017-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dodge City, at 00:00Z on 2017-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
39 J/kg
Mixed-layer CIN
-241 J/kg
Mixed-layer LCL
1678 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

718 
WGUS53 KDDC 130034
FFWDDC
KSC101-135-130330-
/O.NEW.KDDC.FF.W.0004.170413T0034Z-170413T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
734 PM CDT WED APR 12 2017

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  West central Ness County in west central Kansas...
  Central Lane County in west central Kansas...

* Until 1030 PM CDT

* At 733 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Dighton and Alamota. 

Additional rainfall amounts of an inch or two are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3851 10023 3842 10020 3841 10069 3850 10046

$$

RUSSELL
1 follow-up statement
215 
WGUS73 KDDC 130138
FFSDDC

Flash Flood Statement
National Weather Service Dodge City KS
838 PM CDT WED APR 12 2017

KSC101-135-130330-
/O.CON.KDDC.FF.W.0004.000000T0000Z-170413T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ness KS-Lane KS-
838 PM CDT WED APR 12 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
WEST CENTRAL NESS AND CENTRAL LANE COUNTIES...

At 837 PM CDT, Doppler radar indicated that in excess of 4 inches of 
rain had fallen over the warned area. Flash flooding is expected to 
continue.

Some locations that will experience flooding include...
Dighton and Alamota. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3851 10023 3842 10020 3841 10069 3850 10046

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:15 PM CDTFlash Flood WarningDDCEllis3 hr
Apr 12, 7:46 PM CDTSpecial Weather StatementDDCLane59 min
Apr 12, 7:49 PM CDTSpecial Weather StatementDDCEllis56 min
Apr 12, 8:55 PM CDTSpecial Weather StatementDDCLane65 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.