Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 13, NWS Goodland, KS

May 26, 2017Sherman County, Kansas

NWS Goodland, KS issued this flash flood warning at May 26, 2017, 10:06 PM MDT for Sherman County, Kansas. It was in force for 54 min. 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 26, 2017, 10:06 PM MDT (04:06 UTC)
Expired
May 26, 2017, 11:00 PM MDT
In force
54 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Sherman County, KS

The radar

The Goodland radar (KGLD), 21 km from the middle of the area, began a volume at 04:09 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

Denver, CO (KDEN), launched 00:00Z, 4.1 hours before the alert went out and 158 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, Denver, CO at 00:00Z on 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1044 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2017-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
1044 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1740 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.3
Supercell composite
9.5

Open this sounding in Storm Lab

The text

As transmitted.

973 
WGUS53 KGLD 270406
FFWGLD
KSC181-270500-
/O.NEW.KGLD.FF.W.0013.170527T0406Z-170527T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
1006 PM MDT FRI MAY 26 2017

The National Weather Service in Goodland has issued a

* Flash Flood Warning for...
  Northeastern Sherman County in northwestern Kansas...

* Until 1100 PM MDT

* At 1005 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Flash flooding will remain over mainly rural areas of northeastern
  Sherman County.

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.

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

&&

LAT...LON 3935 10139 3934 10160 3957 10162 3957 10139

$$

DR

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:15 PM MDTTornado Warning Tornado observedGLDSherman17 min
May 26, 7:18 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman57 min
May 26, 7:47 PM MDTSevere Thunderstorm WarningGLDSherman28 min
May 26, 8:04 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman56 min
May 26, 8:25 PM MDTFlash Flood WarningGLDCheyenne, Sherman5 hr
May 26, 8:27 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas48 min
May 26, 8:57 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman48 min
May 26, 9:07 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas38 min
May 26, 9:25 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman50 min
May 26, 9:40 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins, Sheridan, Thomas50 min
May 26, 9:59 PM MDTTornado WarningGLDSheridan, Thomas31 min
May 26, 10:09 PM MDTSevere Thunderstorm WarningGLDSherman36 min
May 26, 10:19 PM MDTTornado WarningGLDSheridan, Thomas41 min
May 26, 10:25 PM MDTSevere Thunderstorm WarningGLDSherman, Thomas65 min
May 26, 10:43 PM MDTFlash Flood WarningGLDCheyenne, Rawlins, Sherman, Thomas3 hr
May 26, 10:54 PM MDTTornado WarningGLDDecatur, Graham, Norton, Sheridan15 min
May 26, 10:57 PM MDTSevere Thunderstorm WarningGLDGove, Logan, Sheridan, Thomas63 min
May 26, 11:08 PM MDTSevere Thunderstorm WarningGLDDecatur, Graham, Norton, Sheridan21 min
May 26, 11:30 PM MDTSpecial Weather StatementGLDNorton15 min
May 26, 11:47 PM MDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan58 min
May 26, 11:49 PM MDTTornado WarningGLDGove26 min
May 27, 12:06 AM MDTTornado WarningGLDGove, Logan24 min
May 27, 12:13 AM MDTTornado WarningGLDGove17 min
May 27, 12:22 AM MDTTornado WarningGLDGove38 min
May 27, 12:36 AM MDTSpecial Weather StatementGLDSherman24 min
May 27, 12:41 AM MDTSevere Thunderstorm WarningGLDGraham, Norton49 min
May 27, 12:43 AM MDTSpecial Weather StatementGLDThomas17 min
May 27, 12:45 AM MDTTornado WarningGLDGove30 min
May 27, 12:56 AM MDTSpecial Weather StatementGLDThomas19 min
May 27, 1:13 AM MDTSpecial Weather StatementGLDThomas32 min
May 27, 1:34 AM MDTAreal Flood WarningGLDCheyenne, Rawlins, Sherman, Thomas9 hr
May 27, 1:53 AM MDTSpecial Weather StatementGLDGove37 min
May 27, 2:23 AM MDTSpecial Weather StatementGLDGove37 min
May 27, 7:56 AM MDTAreal Flood WarningGLDSheridan, Thomas3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.