Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 13, NWS Goodland, KS

May 16, 2021Wallace County, Kansas

NWS Goodland, KS issued this flash flood warning at May 16, 2021, 9:03 PM MDT for Wallace County, Kansas. It was in force for 3 hr. 1 report 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: May 16, 2021, 9:03 PM MDT (03:03 UTC)
Expired: May 16, 2021, 11:57 PM MDT
In force: 3 hr
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Flood severity: None

County Wallace County, KS

The radar

The Goodland radar (KGLD), 47 km from the middle of the area, began a volume at 03:04 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

Time	Report	Where	Remark
May 16, 9:23 PM MDT	HEAVY RAIN 1.66	Sharon Springs, KS	REPORTED VIA WEATHER UNDERGROUND. MESONET STATION KKSSHARO18 REPORTED 1.66 INCHES OF STORM TOTAL RAIN SINCE 8:10 PM MT. RAIN IS ONGOING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 3.1 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-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: 143 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: -15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

432 
WGUS53 KGLD 170303
FFWGLD
KSC199-170615-
/O.NEW.KGLD.FF.W.0013.210517T0303Z-210517T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
903 PM MDT Sun May 16 2021

The National Weather Service in Goodland has issued a

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

* Until 1215 AM MDT.

* At 903 PM MDT, local law enforcement reported thunderstorms 
  producing heavy rain across the warned area. One to two inches of 
  water was reported on roads in Sharon Springs.  Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement.

  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...
  Sharon Springs, Weskan and Wallace.

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 3913 10205 3913 10148 3870 10148 3870 10205

FLASH FLOOD...OBSERVED

$$

ANW

1 follow-up statement

070 
WGUS73 KGLD 170557
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
1157 PM MDT Sun May 16 2021

KSC199-170607-
/O.CAN.KGLD.FF.W.0013.000000T0000Z-210517T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wallace KS-
1157 PM MDT Sun May 16 2021

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

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

A Flash Flood Watch remains in effect until 600 AM MDT Monday for a 
portion of west central Kansas.

LAT...LON 3913 10205 3913 10148 3870 10148 3870 10205

$$

JN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 6:04 PM MDT	Special Weather Statement	GLD	Sherman	56 min
May 16, 6:42 PM MDT	Special Weather Statement	GLD	Gove, Logan, Sherman	63 min
May 16, 7:50 PM MDT	Special Weather Statement	GLD	Sherman	55 min
May 16, 8:10 PM MDT	Special Weather Statement	GLD	Wallace	35 min
May 16, 8:34 PM MDT	Severe Thunderstorm Warning	GLD	Rawlins, Thomas	11 min
May 16, 8:39 PM MDT	Special Weather Statement	GLD	Cheyenne	66 min
May 16, 8:42 PM MDT	Special Weather Statement	GLD	Sherman, Thomas	78 min
May 16, 8:49 PM MDT	Special Weather Statement	GLD	Logan, Wallace	71 min
May 16, 9:11 PM MDT	Special Weather Statement	GLD	Wichita	49 min
May 16, 9:52 PM MDT	Special Weather Statement	GLD	Cheyenne, Sherman	53 min
May 16, 9:58 PM MDT	Special Weather Statement	GLD	Wichita	62 min
May 16, 10:06 PM MDT	Flash Flood Warning	GLD	Greeley, Wichita	2 hr
May 17, 12:02 AM MDT	Areal Flood Warning	GLD	Wallace	6 hr
May 17, 12:30 AM MDT	Areal Flood Warning	GLD	Greeley, Wichita	6 hr
May 17, 12:59 PM MDT	Flash Flood Warning	GLD	Logan, Thomas	2 hr

Nearby

Flash Flood Warnings in Kansas, 2021 Every 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.