Alert archive / Nebraska / Flash Flood Warnings in 2016

Flash Flood Warning 22, NWS Goodland, KS

June 17, 2016Hitchcock County, Red Willow County, Nebraska

NWS Goodland, KS issued this flash flood warning at Jun 17, 2016, 5:21 PM CDT for Hitchcock County, Red Willow 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 17, 2016, 5:21 PM CDT (22:21 UTC)
Expired: Jun 17, 2016, 8:15 PM CDT
In force: 3 hr
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Flood severity: None

Counties Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 124 km from the middle of the area, began a volume at 22:24 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 17, 6:19 PM CDT	FLASH FLOOD	Mccook, NE	FAST MOVING WATER WITH FLOODING IN LOW LYING AREAS. STORM DRAINS NOT ABLE TO KEEP UP.

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, 10.4 hours before the alert went out and 106 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: 2424 J/kg
Mixed-layer CIN: -248 J/kg
Mixed-layer LCL: 1652 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 16 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.

379 
WGUS53 KGLD 172221
FFWGLD
NEC087-145-180115-
/O.NEW.KGLD.FF.W.0022.160617T2221Z-160618T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
521 PM CDT FRI JUN 17 2016

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL HITCHCOCK COUNTY IN SOUTHWESTERN NEBRASKA...
  WEST CENTRAL RED WILLOW COUNTY IN SOUTHWESTERN NEBRASKA...

* UNTIL 815 PM CDT

* AT 520 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MCCOOK.

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 4012 10081 4023 10082 4027 10054 4016 10053

$$

007

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 3:51 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	26 min
Jun 17, 3:58 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	24 min
Jun 17, 4:27 PM CDT	Special Weather Statement	GLD	Hitchcock	33 min
Jun 17, 4:40 PM CDT	Special Weather Statement	GLD	Red Willow	35 min
Jun 17, 4:45 PM CDT	Special Weather Statement	GLD	Dundy	30 min
Jun 17, 4:49 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock, Red Willow	26 min
Jun 17, 5:16 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock, Red Willow	29 min
Jun 17, 5:18 PM CDT	Special Weather Statement	GLD	Dundy	12 min
Jun 17, 5:50 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock, Red Willow	40 min
Jun 17, 6:07 PM CDT	Special Weather Statement	GLD	Hitchcock	23 min
Jun 17, 6:33 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	27 min
Jun 17, 6:45 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	45 min

Nearby

Flash Flood Warnings in Nebraska, 2016 Every flash flood warning in 2016

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.