Alert archive / Kansas / Flash Flood Warnings in 2020

Flash Flood Warning 7, NWS Dodge City, KS

July 26, 2020Rush County, Kansas

NWS Dodge City, KS issued this flash flood warning at Jul 26, 2020, 11:34 PM CDT for Rush 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, 11:34 PM CDT (04:34 UTC)
Expired
Jul 27, 2020, 5:30 AM CDT
In force
6 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

County Rush County, KS

The radar

The Dodge City radar (KDDC), 107 km from the middle of the area, began a volume at 04:37 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, 4.6 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.

540 
WGUS53 KDDC 270434
FFWDDC
KSC165-271030-
/O.NEW.KDDC.FF.W.0007.200727T0434Z-200727T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
1134 PM CDT Sun Jul 26 2020

The National Weather Service in Dodge City has issued a

* Flash Flood Warning for...
  Central Rush County in central Kansas...

* Until 530 AM CDT.

* At 1132 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Radar estimates in excess of 4 
  inches of rain have 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...
  La Crosse, Bison, Rush Center, Liebenthal and Timken. 

Additional rainfall amounts of an inch or more are possible in the 
warned area.

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 3869 9922 3835 9911 3835 9936 3869 9945

FLASH FLOOD...RADAR INDICATED

$$

RUSSELL
1 follow-up statement
190 
WGUS73 KDDC 270622
FFSDDC

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

KSC165-271030-
/O.CON.KDDC.FF.W.0007.000000T0000Z-200727T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rush KS-
122 AM CDT Mon Jul 27 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
CENTRAL RUSH COUNTY...

At 121 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Based on radar, up to 6 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...
La Crosse, Bison, Rush Center, Liebenthal and Timken. 

Additional rainfall amounts of an inch or more are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3869 9922 3835 9911 3835 9936 3869 9945

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, 11:53 PM CDTFlash Flood WarningDDCLane5 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.