Alert archive / Kansas / Flash Flood Warnings in 2018

Flash Flood Warning 12, NWS Dodge City, KS

July 6, 2018Ellis County, Kansas

NWS Dodge City, KS issued this flash flood warning at Jul 6, 2018, 9:37 AM CDT for Ellis County, Kansas. It was in force for 3 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
Jul 6, 2018, 9:37 AM CDT (14:37 UTC)
Expired
Jul 6, 2018, 12:45 PM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

County Ellis County, KS

The radar

The Dodge City radar (KDDC), 143 km from the middle of the area, began a volume at 14:36 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
Jul 6, 9:50 AM CDTFLASH FLOOD1 Nw Hays, KSSTREET FLOODING OCCURRING. A FEW CARS STRANDED. OVER 3 INCHES FELL IN LESS THAN AN HOUR.

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

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 2.6 hours before the alert went out and 139 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 2018-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1119 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 2018-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 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
1119 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
-53 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

As transmitted.

351 
WGUS53 KDDC 061437
FFWDDC
KSC051-061745-
/O.NEW.KDDC.FF.W.0012.180706T1437Z-180706T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
937 AM CDT FRI JUL 6 2018

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Central Ellis County in central Kansas...

* Until 1245 PM CDT.

* At 937 AM CDT, Doppler radar indicated heavy rain across the warned
  area. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Hays, Victoria, Catherine, Yocemento, Toulon, Munjor and Emmeram. 

LAT...LON 3902 9914 3879 9912 3878 9950 3902 9950

$$

HOVORKA
1 follow-up statement
867 
WGUS73 KDDC 061736
FFSDDC

Flash Flood Statement
National Weather Service Dodge City KS
1236 PM CDT FRI JUL 6 2018

KSC051-061746-
/O.EXP.KDDC.FF.W.0012.000000T0000Z-180706T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ellis KS-
1236 PM CDT FRI JUL 6 2018

...THE FLASH FLOOD WARNING FOR CENTRAL ELLIS COUNTY WILL EXPIRE AT
1245 PM CDT...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3902 9914 3879 9912 3878 9950 3902 9950

$$

HOVORKA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 12:08 AM CDTSpecial Weather StatementDDCGrant, Haskell67 min
Jul 6, 1:54 AM CDTSpecial Weather StatementDDCHaskell, Morton, Stevens66 min
Jul 6, 6:54 PM CDTSpecial Weather StatementDDCKiowa36 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.