Alert archive / Kansas / Flash Flood Warnings in 2018

Flash Flood Warning 29, NWS Dodge City, KS

September 4, 2018Barber County, Kansas

NWS Dodge City, KS issued this flash flood warning at Sep 4, 2018, 4:12 PM CDT for Barber 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 outline as issued.

The facts

Issued
Sep 4, 2018, 4:12 PM CDT (21:12 UTC)
Expired
Sep 4, 2018, 10:15 PM CDT
In force
6 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

County Barber County, KS

The radar

The Vance AFB radar (KVNX), 64 km from the middle of the area, began a volume at 21:12 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 12:00Z, 9.2 hours before the alert went out and 143 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 12:00Z on 2018-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 239 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 12:00Z on 2018-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
239 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

150 
WGUS53 KDDC 042112
FFWDDC
KSC007-050315-
/O.NEW.KDDC.FF.W.0029.180904T2112Z-180905T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
412 PM CDT TUE SEP 4 2018

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  East central Barber County in south central Kansas...

* Until 1015 PM CDT Tuesday.

* At 411 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Sharon.

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 3738 9835 3711 9838 3713 9851 3738 9842

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 3:11 AM CDTFlash Flood WatchDDCBarber, Comanche, Edwards, Ellis, Kiowa, Lane and 6 more31 hr
Sep 4, 10:07 AM CDTAreal Flood WarningDDCBarber, Kiowa, Pratt, Stafford12 hr
Sep 4, 4:24 PM CDTSpecial Weather StatementDDCHamilton66 min
Sep 4, 6:19 PM CDTFlash Flood WarningDDCClark, Comanche, Kiowa6 hr
Sep 4, 6:33 PM CDTSpecial Weather StatementDDCHamilton57 min

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.