Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 1, NWS Dodge City, KS

April 12, 2017Lane County, Scott County, Kansas

NWS Dodge City, KS issued this flash flood warning at Apr 12, 2017, 6:36 PM CDT for Lane County, Scott 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, 6:36 PM CDT (23:36 UTC)
Expired
Apr 12, 2017, 9:30 PM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

Counties Lane County, KS, Scott County, KS

The radar

The Dodge City radar (KDDC), 100 km from the middle of the area, began a volume at 23:40 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, 11.6 hours before the alert went out and 103 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 2017-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2330 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

230 
WGUS53 KDDC 122336
FFWDDC
KSC101-171-130230-
/O.NEW.KDDC.FF.W.0001.170412T2336Z-170413T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  East central Scott County in west central Kansas...
  West central Lane County in west central Kansas...

* Until 930 PM CDT

* At 635 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Nearly 3 inches of rain have 
  already fallen around Gridston. Flash flooding is expected to 
  begin shortly. 

* Some locations that will experience flooding include...
  Grigston and Amy. 

Additional rainfall amounts 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 3860 10047 3850 10046 3837 10079 3846 10086

$$

RUSSELL
1 follow-up statement
123 
WGUS73 KDDC 130140
FFSDDC

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

KSC101-171-130230-
/O.CON.KDDC.FF.W.0001.000000T0000Z-170413T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Scott KS-Lane KS-
840 PM CDT WED APR 12 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
EAST CENTRAL SCOTT AND WEST CENTRAL LANE COUNTIES...

At 839 PM CDT, Doppler radar indicated that 5 inches of rain had 
fallen over the warned area. Flash flooding is expected to continue.

Some locations that will experience flooding 
include... Grigston and Amy. 


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 3860 10047 3850 10046 3837 10079 3846 10086

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 4:03 PM CDTSpecial Weather StatementDDCEllis57 min
Apr 12, 4:19 PM CDTSevere Thunderstorm WarningDDCEllis, Trego56 min
Apr 12, 5:06 PM CDTSevere Thunderstorm WarningDDCLane, Ness54 min
Apr 12, 5:12 PM CDTSevere Thunderstorm WarningDDCEllis, Trego63 min
Apr 12, 6:01 PM CDTSevere Thunderstorm WarningDDCLane, Ness, Scott44 min
Apr 12, 6:14 PM CDTSevere Thunderstorm WarningDDCEllis46 min
Apr 12, 6:40 PM CDTFlash Flood WarningDDCEllis, Trego3 hr
Apr 12, 6:46 PM CDTSevere Thunderstorm WarningDDCLane, Ness, Scott59 min
Apr 12, 6:55 PM CDTSevere Thunderstorm WarningDDCEllis50 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.