Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 38, NWS Goodland, KS

September 5, 2021Wichita County, Kansas

NWS Goodland, KS issued this flash flood warning at Sep 5, 2021, 5:44 PM CDT for Wichita County, Kansas. It was in force for 53 min. 2 reports 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
Sep 5, 2021, 5:44 PM CDT (22:44 UTC)
Expired
Sep 5, 2021, 6:37 PM CDT
In force
53 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Wichita County, KS

The radar

The Goodland radar (KGLD), 112 km from the middle of the area, began a volume at 22:46 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
Sep 5, 5:45 PM CDTFLASH FLOOD1 Ne Leoti, KSDISPATCH REPORTING AT LEAST 6 INCHES OF WATER ON ROADWAYS IN TOWN 1/2SM VISIBILITY OR LESS.
Sep 5, 5:50 PM CDTHEAVY RAIN 0.511 Ene Leoti, KSDISPATCH REPORTED 0.51 INCHES IN 15 MINUTES, APPROX 2.00 INCHES AN HOUR RATE.

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 12:00Z, 10.7 hours before the alert went out and 138 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 12:00Z on 2021-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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 12:00Z on 2021-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.19395878Sfc1 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
98 J/kg
Mixed-layer CIN
-293 J/kg
Mixed-layer LCL
1107 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

387 
WGUS53 KGLD 052244
FFWGLD
KSC203-060145-
/O.NEW.KGLD.FF.W.0038.210905T2244Z-210906T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
544 PM CDT Sun Sep 5 2021

The National Weather Service in Goodland has issued a

* Flash Flood Warning for...
  Central Wichita County in west central Kansas...

* Until 845 PM CDT.

* At 544 PM CDT, local law enforcement reported thunderstorms 
  producing heavy rain across the warned area. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Leoti.

Roadways covered in Leoti with torrential rainfall

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3838 10113 3830 10138 3851 10142 3856 10127
      3839 10113

FLASH FLOOD...OBSERVED

$$

JN
2 follow-up statements
220 
WGUS73 KGLD 052253
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
553 PM CDT Sun Sep 5 2021

KSC203-060145-
/O.CON.KGLD.FF.W.0038.000000T0000Z-210906T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wichita KS-
553 PM CDT Sun Sep 5 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT THIS 
EVENING FOR CENTRAL WICHITA COUNTY...

At 553 PM CDT, local law enforcement reported thunderstorms 
producing heavy rain across the warned area. The expected rainfall 
rate is 1 to 2 inches in 1 hour. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Law enforcement reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Leoti.

Dispatch has reported 0.51 inches in 15 minutes

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3838 10113 3830 10138 3851 10142 3856 10127
      3839 10113

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

JN
803 
WGUS73 KGLD 052337
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
637 PM CDT Sun Sep 5 2021

KSC203-052347-
/O.CAN.KGLD.FF.W.0038.000000T0000Z-210906T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wichita KS-
637 PM CDT Sun Sep 5 2021

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL WICHITA COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3838 10113 3830 10138 3851 10142 3856 10127
      3839 10113

$$

JN/KAK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 3:17 AM CDTSpecial Weather StatementGLDCheyenne28 min
Sep 5, 8:46 AM CDTSpecial Weather StatementGLDLogan44 min
Sep 5, 5:22 PM CDTSpecial Weather StatementGLDWichita23 min
Sep 5, 5:56 PM CDTSpecial Weather StatementGLDWichita34 min
Sep 5, 6:25 PM CDTSpecial Weather StatementGLDSheridan35 min
Sep 5, 6:48 PM CDTFlash Flood WarningGLDGove, Sheridan72 min
Sep 5, 6:53 PM CDTSevere Thunderstorm WarningGLDGove, Sheridan33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.