Alert archive / Kansas / Flash Flood Warnings in 2020

Flash Flood Warning 8, NWS Dodge City, KS

July 26, 2020Lane County, Kansas

NWS Dodge City, KS issued this flash flood warning at Jul 26, 2020, 11:53 PM CDT for Lane County, Kansas. It was in force for 5 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 26, 2020, 11:53 PM CDT (04:53 UTC)
Expired
Jul 27, 2020, 4:45 AM CDT
In force
5 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

County Lane County, KS

The radar

The Dodge City radar (KDDC), 101 km from the middle of the area, began a volume at 04:55 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.

What was reported inside it

TimeReportWhereRemark
Jul 27, 3:00 AM CDTHEAVY RAIN 4.75 Se Healy, KSREPORT WAS RECEIVED THROUGH SOCIAL MEDIA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 4.9 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 00:00Z on 2020-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 911 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 2020-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
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.

550 
WGUS53 KDDC 270453
FFWDDC
KSC101-270945-
/O.NEW.KDDC.FF.W.0008.200727T0453Z-200727T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
1153 PM CDT Sun Jul 26 2020

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Northern Lane County in west central Kansas...

* Until 445 AM CDT.

* At 1152 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.

* Some locations that will experience flooding include...
  Dighton, Healy and Shields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.

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

&&

LAT...LON 3863 10037 3848 10033 3848 10063 3868 10063

FLASH FLOOD...RADAR INDICATED

$$

RUSSELL
1 follow-up statement
308 
WGUS73 KDDC 270620
FFSDDC

Flash Flood Statement
National Weather Service Dodge City KS
120 AM CDT Mon Jul 27 2020

KSC101-270945-
/O.CON.KDDC.FF.W.0008.000000T0000Z-200727T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lane KS-
120 AM CDT Mon Jul 27 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR
NORTHERN LANE COUNTY...

At 118 AM CDT, Doppler radar indicated thunderstorms producing rain 
across the warned area. Based on radar estimates, up to 5 inches of 
rain have fallen. Flash flooding is ongoing.

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.

Some locations that will experience flooding include...
Dighton, Healy and Shields. 

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 3863 10037 3848 10033 3848 10063 3868 10063

FLASH FLOOD...RADAR INDICATED

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:03 PM CDTSpecial Weather StatementDDCMorton42 min
Jul 26, 8:27 PM CDTSpecial Weather StatementDDCGrant33 min
Jul 26, 8:40 PM CDTFlash Flood WarningDDCStanton6 hr
Jul 26, 11:16 PM CDTFlash Flood WarningDDCMorton, Stanton3 hr
Jul 26, 11:34 PM CDTFlash Flood WarningDDCRush6 hr

Nearby

Flash Flood Warnings in Kansas, 2020Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.