Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 9, NWS Goodland, KS

May 15, 20174 counties in Kansas

NWS Goodland, KS issued this flash flood warning at May 15, 2017, 8:31 PM CDT for 4 counties in 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, 2017, 8:31 PM CDT (01:31 UTC)
Expired: May 15, 2017, 11:30 PM CDT
In force: 3 hr
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Flood severity: None

Counties Decatur County, KS, Rawlins County, KS, Sheridan County, KS, Thomas County, KS

The radar

The Goodland radar (KGLD), 95 km from the middle of the area, began a volume at 01:33 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.5 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1294 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 1839 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 311 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 13.5

Open this sounding in Storm Lab

The text

As transmitted.

974 
WGUS53 KGLD 160131
FFWGLD
KSC039-153-179-193-160430-
/O.NEW.KGLD.FF.W.0009.170516T0131Z-170516T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
831 PM CDT MON MAY 15 2017

The National Weather Service in Goodland has issued a

* Flash Flood Warning for...
  Northeastern Thomas County in northwestern Kansas...
  Northwestern Sheridan County in northwestern Kansas...
  Southeastern Rawlins County in northwestern Kansas...
  Southwestern Decatur County in northwestern Kansas...

* Until 1130 PM CDT

* At 830 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Two to three inches of rain 
  have fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Rexford, Selden, Gem, Dresden and Leoville. 

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.

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 3955 10026 3944 10049 3941 10116 3968 10116
      3974 10039

$$

Husted

2 follow-up statements

162 
WGUS73 KGLD 160226
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
926 PM CDT MON MAY 15 2017

KSC039-153-179-193-160430-
/O.CON.KGLD.FF.W.0009.000000T0000Z-170516T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Thomas KS-Sheridan KS-Rawlins KS-Decatur KS-
926 PM CDT MON MAY 15 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
NORTHEASTERN THOMAS...NORTHWESTERN SHERIDAN...SOUTHEASTERN RAWLINS
AND SOUTHWESTERN DECATUR COUNTIES...

At 925 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Two to four inches of rain have fallen. 
Flash flooding is expected to begin shortly.

Some locations that will experience flooding include...
Rexford, Selden, Gem, Dresden and Leoville. 

Additional rainfall amounts of one inch are possible in the warned 
area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3955 10026 3944 10049 3941 10116 3968 10116
      3974 10039

$$

Husted

362 
WGUS73 KGLD 160356
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
1056 PM CDT MON MAY 15 2017

KSC039-153-179-193-160406-
/O.CAN.KGLD.FF.W.0009.000000T0000Z-170516T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Thomas KS-Sheridan KS-Rawlins KS-Decatur KS-
1056 PM CDT MON MAY 15 2017

...THE FLASH FLOOD WARNING FOR NORTHEASTERN THOMAS...NORTHWESTERN
SHERIDAN...SOUTHEASTERN RAWLINS AND SOUTHWESTERN DECATUR COUNTIES IS
CANCELLED...

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

LAT...LON 3955 10026 3944 10049 3941 10116 3968 10116
      3974 10039

$$

JN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:07 PM CDT	Special Weather Statement	GLD	Sherman	23 min
May 15, 7:17 PM CDT	Special Weather Statement	GLD	Norton	13 min
May 15, 7:20 PM CDT	Special Weather Statement	GLD	Norton	10 min
May 15, 7:29 PM CDT	Special Weather Statement	GLD	Decatur	16 min
May 15, 7:32 PM CDT	Special Weather Statement	GLD	Sherman	13 min
May 15, 7:34 PM CDT	Special Weather Statement	GLD	Norton	26 min
May 15, 7:41 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Wichita	49 min
May 15, 7:46 PM CDT	Special Weather Statement	GLD	Decatur	14 min
May 15, 7:48 PM CDT	Special Weather Statement	GLD	Cheyenne	12 min
May 15, 8:06 PM CDT	Special Weather Statement	GLD	Rawlins	9 min
May 15, 8:11 PM CDT	Special Weather Statement	GLD	Decatur	19 min
May 15, 8:15 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan	45 min
May 15, 8:22 PM CDT	Special Weather Statement	GLD	Cheyenne	8 min
May 15, 8:35 PM CDT	Special Weather Statement	GLD	Norton	25 min
May 15, 8:36 PM CDT	Special Weather Statement	GLD	Thomas	9 min
May 15, 8:45 PM CDT	Special Weather Statement	GLD	Cheyenne	30 min
May 15, 8:46 PM CDT	Severe Thunderstorm Warning	GLD	Norton	29 min
May 15, 8:52 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	49 min
May 15, 10:02 PM CDT	Special Weather Statement	GLD	Norton	28 min
May 15, 10:18 PM CDT	Special Weather Statement	GLD	Rawlins	27 min
May 16, 5:04 PM CDT	Severe Thunderstorm Warning	GLD	Gove	26 min
May 16, 5:38 PM CDT	Severe Thunderstorm Warning	GLD	Sherman	39 min
May 16, 5:41 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Sheridan	37 min
May 16, 6:16 PM CDT	Special Weather Statement	GLD	Cheyenne	29 min

Nearby

Flash Flood Warnings in Kansas, 2017 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.