Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 49, NWS Goodland, KS

October 2, 2017Graham County, Kansas

NWS Goodland, KS issued this flash flood warning at Oct 2, 2017, 9:49 PM CDT for Graham County, Kansas. It was in force for 6 hr. 4 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
Oct 2, 2017, 9:49 PM CDT (02:49 UTC)
Expired
Oct 3, 2017, 4:15 AM CDT
In force
6 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Graham County, KS

The radar

The Goodland radar (KGLD), 153 km from the middle of the area, began a volume at 02:53 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
Oct 2, 10:15 PM CDTFLASH FLOOD1 E Hill City, KSDUPLICATE REPORT...ONE AND A HALF FEET OF WATER FLOWING ACROSS 280TH AVENUE 1 MILE EAST OF HILL CITY.
Oct 2, 10:15 PM CDTFLASH FLOOD1 E Hill City, KSONE AND A HALF FEET OF WATER FLOWING ACROSS 280TH AVENUE 1 MILE EAST OF HILL CITY.
Oct 2, 10:23 PM CDTFLASH FLOOD1 E Hill City, KSONE AND A HALF FEET OF WATER FLOWING ACROSS 280TH AVENUE 1 MILE EAST OF HILL CITY.
Oct 3, 12:28 AM CDTHEAVY RAIN 4.371 E Hill City, KS

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, 2.8 hours before the alert went out and 173 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 2017-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2098 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 2017-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
2098 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
1.0
Supercell composite
10.2

Open this sounding in Storm Lab

The text

As transmitted.

353 
WGUS53 KGLD 030249
FFWGLD
KSC065-030615-
/O.NEW.KGLD.FF.W.0049.171003T0249Z-171003T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
949 PM CDT MON OCT 2 2017

The National Weather Service in Goodland has issued a

* Flash Flood Warning for...
  Graham County in northwestern Kansas...

* Until 115 AM CDT

* At 948 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 expected to begin shortly.

* Some locations that will experience flooding include...
  Hill City, Morland, Bogue, Nicodemus, Penokee, Saint Peter and
  Studley.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

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.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3913 10016 3941 10016 3957 9985 3957 9960
      3914 9961

$$

Buller
3 follow-up statements
522 
WGUS73 KGLD 030334
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
1034 PM CDT MON OCT 2 2017

KSC065-030615-
/O.CON.KGLD.FF.W.0049.000000T0000Z-171003T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Graham KS-
1034 PM CDT MON OCT 2 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR
GRAHAM COUNTY...

At 1030 PM CDT, Doppler radar indicated heavy rain across the warned 
area.  At 1015 PM CDT, a trained spotter reported that one and a 
half feet of water was flowing across 280th avenue one mile east of 
Hill City. 

Some locations that will experience flooding include...
Hill City, Morland, Bogue, Nicodemus, Penokee, Saint Peter and
Studley.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

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.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3913 10016 3941 10016 3957 9985 3957 9960
      3914 9961

$$

Buller
758 
WGUS53 KGLD 030600
FFWGLD
KSC065-030915-
/O.EXT.KGLD.FF.W.0049.000000T0000Z-171003T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
100 AM CDT TUE OCT 3 2017

The National Weather Service in Goodland has extended the

* Flash Flood Warning for...
  Graham County in northwestern Kansas...

* Until 415 AM CDT

* At 1258 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. At least 3 to 5 inches of rain 
  has occurred with locally higher amounts. Flash flooding is 
  already occurring.

* Some locations that will experience flooding include...
  Hill City, Morland, Bogue, Nicodemus, Penokee, Saint Peter and
  Studley.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

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.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3913 10016 3941 10016 3957 9985 3957 9960
      3914 9961

$$

Buller
430 
WGUS73 KGLD 030909
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
409 AM CDT TUE OCT 3 2017

KSC065-030919-
/O.EXP.KGLD.FF.W.0049.000000T0000Z-171003T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Graham KS-
409 AM CDT TUE OCT 3 2017

...THE FLASH FLOOD WARNING FOR GRAHAM COUNTY WILL EXPIRE AT 415 AM
CDT TUESDAY...

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

LAT...LON 3913 10016 3941 10016 3957 9985 3957 9960
      3914 9961

$$

024

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 7:07 PM CDTSevere Thunderstorm WarningGLDGove, Logan, Sheridan, Thomas, Wallace, Wichita38 min
Oct 2, 7:16 PM CDTTornado Warning Tornado observedGLDGove, Logan29 min
Oct 2, 7:40 PM CDTTornado WarningGLDGove, Sheridan35 min
Oct 2, 7:52 PM CDTSevere Thunderstorm WarningGLDDecatur, Gove, Graham, Logan, Sheridan, Thomas38 min
Oct 2, 8:00 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins47 min
Oct 2, 8:02 PM CDTFlash Flood WarningGLDGove, Logan, Sheridan, Thomas3 hr
Oct 2, 8:22 PM CDTSevere Thunderstorm WarningGLDRawlins26 min
Oct 2, 8:32 PM CDTSevere Thunderstorm WarningGLDDecatur, Gove, Graham, Logan, Sheridan58 min
Oct 2, 8:34 PM CDTFlash Flood WarningGLDGove, Sheridan6 hr
Oct 2, 8:56 PM CDTSevere Thunderstorm WarningGLDGraham, Norton49 min
Oct 2, 9:30 PM CDTSevere Thunderstorm WarningGLDGove, Graham, Logan, Sheridan45 min
Oct 2, 10:02 PM CDTSevere Thunderstorm WarningGLDDecatur, Norton, Sheridan43 min
Oct 2, 10:13 PM CDTSevere Thunderstorm WarningGLDGraham32 min
Oct 2, 10:15 PM CDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan30 min
Oct 2, 10:56 PM CDTSpecial Weather StatementGLDSheridan34 min
Oct 2, 10:59 PM CDTSpecial Weather StatementGLDGraham31 min

Nearby

Flash Flood Warnings in Kansas, 2017Every flash flood warning in 2017

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.