Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 15, NWS Dodge City, KS

August 16, 2021Hodgeman County, Kansas

NWS Dodge City, KS issued this flash flood warning at Aug 16, 2021, 4:11 AM CDT for Hodgeman County, Kansas. It was in force for 4 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
Aug 16, 2021, 4:11 AM CDT (09:11 UTC)
Expired
Aug 16, 2021, 8:15 AM CDT
In force
4 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

County Hodgeman County, KS

The radar

The Dodge City radar (KDDC), 30 km from the middle of the area, began a volume at 09:12 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 00:00Z, 9.2 hours before the alert went out and 32 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 2021-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 947 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 2021-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
947 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
2075 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

The text

As transmitted.

510 
WGUS53 KDDC 160911
FFWDDC
KSC083-161315-
/O.NEW.KDDC.FF.W.0015.210816T0911Z-210816T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
411 AM CDT Mon Aug 16 2021

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Southwestern Hodgeman County in southwestern Kansas...

* Until 815 AM CDT.

* At 411 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  mainly rural areas of Southwestern Hodgeman County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3804 10022 3813 9994 3792 9991 3792 10020

FLASH FLOOD...RADAR INDICATED

$$

JJOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 7:00 PM CDTSpecial Weather StatementDDCLane30 min
Aug 15, 8:46 PM CDTSpecial Weather StatementDDCEdwards29 min
Aug 15, 8:59 PM CDTSevere Thunderstorm WarningDDCEdwards, Kiowa31 min
Aug 15, 9:29 PM CDTSpecial Weather StatementDDCKiowa31 min
Aug 15, 9:59 PM CDTSpecial Weather StatementDDCKiowa31 min
Aug 16, 12:46 AM CDTSpecial Weather StatementDDCStafford29 min
Aug 16, 2:00 AM CDTSpecial Weather StatementDDCLane30 min
Aug 16, 2:11 AM CDTSpecial Weather StatementDDCTrego34 min
Aug 16, 2:50 AM CDTSpecial Weather StatementDDCHodgeman25 min
Aug 16, 3:00 AM CDTSpecial Weather StatementDDCPawnee30 min
Aug 16, 3:17 AM CDTSpecial Weather StatementDDCHodgeman28 min
Aug 16, 4:06 AM CDTSpecial Weather StatementDDCHodgeman24 min

Nearby

Flash Flood Warnings in Kansas, 2021Every flash flood warning in 2021

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.