Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 5, NWS Dodge City, KS

May 17, 2021Gray County, Kansas

NWS Dodge City, KS issued this flash flood warning at May 17, 2021, 12:50 AM CDT for Gray 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
May 17, 2021, 12:50 AM CDT (05:50 UTC)
Expired
May 17, 2021, 4:00 AM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

County Gray County, KS

The radar

The Dodge City radar (KDDC), 51 km from the middle of the area, began a volume at 05:53 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, 5.8 hours before the alert went out and 57 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 2021-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1239 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2021-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1239 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted.

370 
WGUS53 KDDC 170550
FFWDDC
KSC069-170900-
/O.NEW.KDDC.FF.W.0005.210517T0550Z-210517T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
1250 AM CDT Mon May 17 2021

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Northwestern Gray County in southwestern Kansas...

* Until 400 AM CDT.

* At 1250 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Ingalls and Charleston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3800 10037 3774 10036 3774 10065 3783 10065
      3783 10067 3800 10066

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR 

$$

SPRINGER

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:03 PM CDTSpecial Weather StatementDDCRush42 min
May 16, 7:20 PM CDTSpecial Weather StatementDDCNess40 min
May 16, 7:27 PM CDTSevere Thunderstorm WarningDDCRush34 min
May 16, 7:52 PM CDTSevere Thunderstorm WarningDDCNess, Rush38 min
May 16, 8:31 PM CDTSpecial Weather StatementDDCNess44 min
May 16, 8:33 PM CDTSpecial Weather StatementDDCNess42 min
May 16, 8:38 PM CDTSpecial Weather StatementDDCMorton52 min
May 16, 9:11 PM CDTSpecial Weather StatementDDCHodgeman49 min
May 16, 9:15 PM CDTSpecial Weather StatementDDCLane45 min
May 16, 9:25 PM CDTAreal Flood WarningDDCNess, Rush6 hr
May 16, 10:03 PM CDTAreal Flood WarningDDCNess6 hr
May 16, 10:07 PM CDTSpecial Weather StatementDDCHodgeman38 min
May 16, 10:12 PM CDTAreal Flood WarningDDCLane6 hr
May 16, 10:33 PM CDTSpecial Weather StatementDDCHamilton42 min
May 16, 11:15 PM CDTSpecial Weather StatementDDCFinney30 min
May 16, 11:16 PM CDTSpecial Weather StatementDDCHamilton29 min
May 16, 11:33 PM CDTSpecial Weather StatementDDCKearny27 min
May 16, 11:41 PM CDTSpecial Weather StatementDDCFinney, Kearny49 min
May 16, 11:50 PM CDTFlash Flood WarningDDCFinney, Hamilton, Kearny3 hr
May 17, 12:08 AM CDTFlash Flood WarningDDCScott3 hr
May 17, 12:37 AM CDTSpecial Weather StatementDDCGray38 min
May 17, 6:14 PM CDTSpecial Weather StatementDDCScott61 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.