Alert archive / Kansas / Flash Flood Warnings in 2020

Flash Flood Warning 5, NWS Dodge City, KS

July 26, 2020Stanton County, Kansas

NWS Dodge City, KS issued this flash flood warning at Jul 26, 2020, 8:40 PM CDT for Stanton County, Kansas. It was in force for 6 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: Jul 26, 2020, 8:40 PM CDT (01:40 UTC)
Expired: Jul 27, 2020, 2:45 AM CDT
In force: 6 hr
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Flood severity: None

County Stanton County, KS

The radar

The Dodge City radar (KDDC), 146 km from the middle of the area, began a volume at 01:43 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, 1.7 hours before the alert went out and 152 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: 911 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 2058 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

558 
WGUS53 KDDC 270140
FFWDDC
KSC187-270745-
/O.NEW.KDDC.FF.W.0005.200727T0140Z-200727T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
840 PM CDT Sun Jul 26 2020

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Southeastern Stanton County in southwestern Kansas...

* Until 245 AM CDT Monday.

* At 839 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain have
  already fallen. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

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

* Flash flooding will remain over mainly rural areas of southeastern
  Stanton County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

&&

LAT...LON 3750 10153 3739 10153 3739 10163 3747 10166

FLASH FLOOD...RADAR INDICATED

$$

RUSSELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 8:03 PM CDT	Special Weather Statement	DDC	Morton	42 min
Jul 26, 8:27 PM CDT	Special Weather Statement	DDC	Grant	33 min
Jul 26, 11:16 PM CDT	Flash Flood Warning	DDC	Morton, Stanton	3 hr
Jul 26, 11:34 PM CDT	Flash Flood Warning	DDC	Rush	6 hr
Jul 26, 11:53 PM CDT	Flash Flood Warning	DDC	Lane	5 hr

Nearby

Flash Flood Warnings in Kansas, 2020 Every flash flood warning in 2020

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.