Alert archive / Nebraska / Flash Flood Warnings in 2019

Flash Flood Warning 21, NWS Goodland, KS

June 16, 2019Dundy County, Nebraska

NWS Goodland, KS issued this flash flood warning at Jun 16, 2019, 4:54 PM MDT for Dundy County, Nebraska. 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: Jun 16, 2019, 4:54 PM MDT (22:54 UTC)
Expired: Jun 16, 2019, 8:00 PM MDT
In force: 3 hr
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Flood severity: None

County Dundy County, NE

The radar

The Goodland radar (KGLD), 86 km from the middle of the area, began a volume at 22:56 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
Jun 16, 4:56 PM MDT	HEAVY RAIN 2.25	8 Nnw Benkelman, NE	OBSERVATION SITE NEAR BENKELMAN REPORTED 2.25 INCHES OF RAIN BETWEEN 4 PM AND 5 PM MDT.

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

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.9 hours before the alert went out and 133 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1820 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

567 
WGUS53 KGLD 162254
FFWGLD
NEC057-170200-
/O.NEW.KGLD.FF.W.0021.190616T2254Z-190617T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Goodland KS
454 PM MDT Sun Jun 16 2019

The National Weather Service in Goodland has issued a

* Flash Flood Warning for...
  Eastern Dundy County in southwestern Nebraska...

* Until 800 PM MDT.

* At 454 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.

* Some locations that will experience flooding include...
  Benkelman and Max. 

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 4005 10132 4000 10133 4000 10161 4027 10167
      4029 10134

$$

DDT

1 follow-up statement

221 
WGUS73 KGLD 170209
FFSGLD

Flash Flood Statement
National Weather Service Goodland KS
809 PM MDT Sun Jun 16 2019

NEC057-170218-
/O.EXP.KGLD.FF.W.0021.000000T0000Z-190617T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dundy NE-
809 PM MDT Sun Jun 16 2019

...THE FLASH FLOOD WARNING FOR EASTERN DUNDY COUNTY HAS EXPIRED...

No flooding has been observed or reported. As a result, the Flash 
Flood Warning has been allowed to expire.

LAT...LON 4005 10132 4000 10133 4000 10161 4027 10167
      4029 10134

$$

Vincent

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 1:33 PM MDT	Special Weather Statement	GLD	Hitchcock	27 min
Jun 16, 1:55 PM MDT	Special Weather Statement	GLD	Dundy	35 min
Jun 16, 2:00 PM MDT	Special Weather Statement	GLD	Hitchcock	15 min
Jun 16, 2:17 PM MDT	Special Weather Statement	GLD	Hitchcock	28 min
Jun 16, 2:39 PM MDT	Special Weather Statement	GLD	Hitchcock	36 min
Jun 16, 3:22 PM MDT	Special Weather Statement	GLD	Hitchcock	23 min
Jun 16, 3:44 PM MDT	Special Weather Statement	GLD	Dundy	31 min
Jun 16, 4:05 PM MDT	Special Weather Statement	GLD	Dundy	25 min
Jun 16, 4:22 PM MDT	Severe Thunderstorm Warning	GLD	Dundy, Hitchcock	38 min
Jun 16, 4:44 PM MDT	Special Weather Statement	GLD	Hitchcock	16 min
Jun 16, 5:04 PM MDT	Special Weather Statement	GLD	Hitchcock	26 min

Nearby

Flash Flood Warnings in Nebraska, 2019 Every flash flood warning in 2019

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.