Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Goodland, KS

May 15, 2021Logan County, Kansas

NWS Goodland, KS issued this flash flood warning at May 15, 2021, 10:25 PM CDT for Logan 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 15, 2021, 10:25 PM CDT (03:25 UTC)
Expired
May 16, 2021, 1:21 AM CDT
In force
3 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Logan County, KS

The radar

The Goodland radar (KGLD), 74 km from the middle of the area, began a volume at 03:25 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, 3.4 hours before the alert went out and 164 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 2021-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1303 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2021-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1303 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1181 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

884 
WGUS53 KGLD 160325
FFWGLD
KSC109-160630-
/O.NEW.KGLD.FF.W.0006.210516T0325Z-210516T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
1025 PM CDT Sat May 15 2021

The National Weather Service in Goodland has issued a

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

* Until 130 AM CDT.

* At 1025 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 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...
  Russell Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3870 10148 3877 10148 3900 10132 3899 10081
      3870 10082

FLASH FLOOD...RADAR INDICATED

$$

ANW
2 follow-up statements
711 
WGUS53 KGLD 160459
FFWGLD
KSC109-160730-
/O.EXT.KGLD.FF.W.0006.000000T0000Z-210516T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
1159 PM CDT Sat May 15 2021

The National Weather Service in Goodland has extended the

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

* Until 230 AM CDT.

* At 1159 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 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...
  Russell Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3870 10148 3877 10148 3900 10132 3899 10081
      3870 10082

FLASH FLOOD...RADAR INDICATED

$$

ANW
046 
WGUS73 KGLD 160621
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
121 AM CDT Sun May 16 2021

KSC109-160631-
/O.CAN.KGLD.FF.W.0006.000000T0000Z-210516T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Logan KS-
121 AM CDT Sun May 16 2021

...FLASH FLOOD WARNING IS CANCELLED FOR LOGAN COUNTY...

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

LAT...LON 3870 10148 3877 10148 3900 10132 3899 10081
      3870 10082

$$

ANW

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 8:49 PM CDTSpecial Weather StatementGLDGreeley41 min
May 15, 8:56 PM CDTSevere Thunderstorm WarningGLDGreeley34 min
May 15, 9:09 PM CDTSevere Thunderstorm WarningGLDWichita36 min
May 15, 9:26 PM CDTFlash Flood WarningGLDGreeley4 hr
May 15, 9:31 PM CDTSevere Thunderstorm WarningGLDGreeley44 min
May 15, 9:34 PM CDTFlash Flood WarningGLDWichita4 hr
May 15, 9:45 PM CDTSevere Thunderstorm WarningGLDLogan, Wallace45 min
May 15, 9:50 PM CDTSpecial Weather StatementGLDWichita55 min
May 15, 10:17 PM CDTSpecial Weather StatementGLDGreeley58 min
May 15, 10:21 PM CDTSevere Thunderstorm WarningGLDGove39 min
May 15, 10:32 PM CDTSpecial Weather StatementGLDLogan58 min
May 15, 10:53 PM CDTFlash Flood WarningGLDGove3 hr
May 15, 11:03 PM CDTSevere Thunderstorm WarningGLDGove, Logan42 min
May 15, 11:20 PM CDTSpecial Weather StatementGLDGraham, Sheridan, Thomas55 min
May 15, 11:29 PM CDTFlash Flood WarningGLDWichita2 hr
May 15, 11:35 PM CDTSpecial Weather StatementGLDWichita40 min
May 15, 11:37 PM CDTSevere Thunderstorm WarningGLDSheridan15 min
May 16, 12:04 AM CDTSpecial Weather StatementGLDSherman41 min
May 16, 12:12 AM CDTSpecial Weather StatementGLDDecatur, Norton, Rawlins78 min
May 16, 12:15 AM CDTSpecial Weather StatementGLDGraham, Sheridan, Thomas75 min
May 16, 12:18 AM CDTSpecial Weather StatementGLDGove, Logan57 min
May 16, 1:27 AM CDTAreal Flood WarningGLDGove, Logan, Wichita5 hr
May 16, 1:41 AM CDTAreal Flood WarningGLDGreeley, Wallace, Wichita5 hr
May 16, 2:05 AM CDTAreal Flood WarningGLDGraham5 hr
May 16, 2:10 AM CDTAreal Flood WarningGLDGove, Sheridan5 hr
May 16, 2:49 AM CDTFlash Flood WatchGLDGove, Greeley, Logan, Wallace, Wichita23 hr
May 16, 5:48 PM CDTSpecial Weather StatementGLDThomas57 min
May 16, 6:42 PM CDTSpecial Weather StatementGLDSheridan, Thomas63 min
May 16, 6:49 PM CDTSevere Thunderstorm WarningGLDGraham, Sheridan41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.