Alert archive / Kansas / Flash Flood Warnings in 2018

Flash Flood Warning 25, NWS Dodge City, KS

August 18, 2018Grant County, Kearny County, Kansas

NWS Dodge City, KS issued this flash flood warning at Aug 18, 2018, 7:34 PM CDT for Grant County, Kearny County, Kansas. It was in force for 3 hr. 2 reports 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
Aug 18, 2018, 7:34 PM CDT (00:34 UTC)
Expired
Aug 18, 2018, 10:30 PM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

Counties Grant County, KS, Kearny County, KS

The radar

The Dodge City radar (KDDC), 116 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.

What was reported inside it

TimeReportWhereRemark
Aug 18, 9:00 PM CDTFLASH FLOOD10 N Ulysses, KSFLOODING OVER MULTIPLE ROADS WITHIN THE COUNTY REPORTED ON SOCIAL MEDIA AND EMERGENCY MANAGER.
Aug 18, 9:40 PM CDTFLASH FLOOD8 N Hickok, KSMULTIPLE ROADS MORE FLOODED AT RD I TO PATTERSON, RD 5 FROM HWY 25 TO RD P, AND RD R SOUTH OF HWY 160.

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 00:00Z, 0.6 hours before the alert went out and 122 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 2018-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 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 2018-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
887 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1184 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

572 
WGUS53 KDDC 190034
FFWDDC
KSC067-093-190330-
/O.NEW.KDDC.FF.W.0025.180819T0034Z-180819T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
734 PM CDT SAT AUG 18 2018

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Southern Kearny County in southwestern Kansas...
  Northern Grant County in southwestern Kansas...

* Until 1030 PM CDT.

* At 734 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Flash flooding will remain over mainly rural areas of southern
  Kearny and northern Grant Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3784 10116 3767 10115 3770 10150 3782 10148

$$

HOVORKA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:08 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny37 min
Aug 18, 7:26 PM CDTFlash Flood WarningDDCKearny3 hr
Aug 18, 7:28 PM CDTSpecial Weather StatementDDCHamilton17 min
Aug 18, 7:38 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny52 min
Aug 18, 7:42 PM CDTSpecial Weather StatementDDCHamilton, Kearny18 min
Aug 18, 7:54 PM CDTTornado WarningDDCGrant21 min
Aug 18, 8:28 PM CDTSevere Thunderstorm WarningDDCFinney, Grant, Haskell, Kearny32 min
Aug 18, 8:51 PM CDTSpecial Weather StatementDDCGrant54 min
Aug 18, 8:52 PM CDTSpecial Weather StatementDDCGrant68 min
Aug 18, 9:40 PM CDTFlash Flood WarningDDCGrant, Kearny4 hr
Aug 18, 9:43 PM CDTAreal Flood WarningDDCHamilton, Kearny6 hr
Aug 18, 9:47 PM CDTSpecial Weather StatementDDCGrant58 min
Aug 18, 10:09 PM CDTSpecial Weather StatementDDCStevens66 min
Aug 19, 1:45 AM CDTFlash Flood WarningDDCFord3 hr
Aug 19, 2:23 AM CDTAreal Flood WarningDDCGrant, Kearny3 hr
Aug 19, 5:13 AM CDTAreal Flood WarningDDCGrant, Kearny3 hr
Aug 19, 6:01 PM CDTSpecial Weather StatementDDCRush44 min
Aug 19, 6:02 PM CDTSpecial Weather StatementDDCFord58 min
Aug 19, 6:20 PM CDTSpecial Weather StatementDDCEllis40 min
Aug 19, 6:58 PM CDTSpecial Weather StatementDDCEllis47 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.