Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 4, NWS Dodge City, KS

May 17, 2021Scott County, Kansas

NWS Dodge City, KS issued this flash flood warning at May 17, 2021, 12:08 AM CDT for 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: May 17, 2021, 12:08 AM CDT (05:08 UTC)
Expired: May 17, 2021, 3:15 AM CDT
In force: 3 hr
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Flood severity: None

County Scott County, KS

The radar

The Dodge City radar (KDDC), 114 km from the middle of the area, began a volume at 05:09 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, 5.1 hours before the alert went out and 118 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

143 
WGUS53 KDDC 170508
FFWDDC
KSC171-170815-
/O.NEW.KDDC.FF.W.0004.210517T0508Z-210517T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
1208 AM CDT Mon May 17 2021

The National Weather Service in Dodge City has issued a

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

* Until 315 AM CDT.

* At 1208 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 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...
  Scott City, Shallow Water, Modoc, Grigston, Manning and Scott 
  State Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3826 10112 3870 10112 3870 10069 3826 10068

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR 

$$

TATRO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 7:03 PM CDT	Special Weather Statement	DDC	Rush	42 min
May 16, 7:20 PM CDT	Special Weather Statement	DDC	Ness	40 min
May 16, 7:27 PM CDT	Severe Thunderstorm Warning	DDC	Rush	34 min
May 16, 7:52 PM CDT	Severe Thunderstorm Warning	DDC	Ness, Rush	38 min
May 16, 8:31 PM CDT	Special Weather Statement	DDC	Ness	44 min
May 16, 8:33 PM CDT	Special Weather Statement	DDC	Ness	42 min
May 16, 8:38 PM CDT	Special Weather Statement	DDC	Morton	52 min
May 16, 9:11 PM CDT	Special Weather Statement	DDC	Hodgeman	49 min
May 16, 9:15 PM CDT	Special Weather Statement	DDC	Lane	45 min
May 16, 9:25 PM CDT	Areal Flood Warning	DDC	Ness, Rush	6 hr
May 16, 10:03 PM CDT	Areal Flood Warning	DDC	Ness	6 hr
May 16, 10:07 PM CDT	Special Weather Statement	DDC	Hodgeman	38 min
May 16, 10:12 PM CDT	Areal Flood Warning	DDC	Lane	6 hr
May 16, 10:33 PM CDT	Special Weather Statement	DDC	Hamilton	42 min
May 16, 11:15 PM CDT	Special Weather Statement	DDC	Finney	30 min
May 16, 11:16 PM CDT	Special Weather Statement	DDC	Hamilton	29 min
May 16, 11:33 PM CDT	Special Weather Statement	DDC	Kearny	27 min
May 16, 11:41 PM CDT	Special Weather Statement	DDC	Finney, Kearny	49 min
May 16, 11:50 PM CDT	Flash Flood Warning	DDC	Finney, Hamilton, Kearny	3 hr
May 17, 12:37 AM CDT	Special Weather Statement	DDC	Gray	38 min
May 17, 12:50 AM CDT	Flash Flood Warning	DDC	Gray	3 hr
May 17, 6:14 PM CDT	Special Weather Statement	DDC	Scott	61 min

Nearby

Flash Flood Warnings in Kansas, 2021 Every 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.