Alert archive / Nebraska / Flash Flood Warnings in 2016

Flash Flood Warning 13, NWS Hastings, NE

July 5, 2016Adams County, Hall County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jul 5, 2016, 7:20 PM CDT for Adams County, Hall County, Nebraska. 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: Jul 5, 2016, 7:20 PM CDT (00:20 UTC)
Expired: Jul 5, 2016, 10:15 PM CDT
In force: 3 hr
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Flood severity: None

Counties Adams County, NE, Hall County, NE

The radar

The Grand Island radar (KUEX), 44 km from the middle of the area, began a volume at 00:23 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

Omaha, NE (KOAX), launched 00:00Z, 0.3 hours before the alert went out and 185 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: 4273 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1614 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

As transmitted.

241 
WGUS53 KGID 060020
FFWGID
NEC001-079-060315-
/O.NEW.KGID.FF.W.0013.160706T0020Z-160706T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
720 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN HALL COUNTY IN SOUTH CENTRAL NEBRASKA...
  NORTHEASTERN ADAMS COUNTY IN SOUTH CENTRAL NEBRASKA...

* UNTIL 1015 PM CDT

* AT 720 PM CDT...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...
  DONIPHAN AND HANSEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4065 9852 4078 9852 4086 9828 4064 9828

$$

KELLEY

1 follow-up statement

284 
WGUS73 KGID 060314
FFSGID

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1014 PM CDT TUE JUL 5 2016

NEC001-079-060324-
/O.EXP.KGID.FF.W.0013.000000T0000Z-160706T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HALL NE-ADAMS NE-
1014 PM CDT TUE JUL 5 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN HALL AND NORTHEASTERN
ADAMS COUNTIES WILL EXPIRE AT 1015 PM CDT...

FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4065 9852 4078 9852 4086 9828 4064 9828

$$

HEINLEIN

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 7:04 PM CDT	Severe Thunderstorm Warning	GID	Adams, Hall	41 min
Jul 5, 7:05 PM CDT	Special Weather Statement	GID	Sherman	10 min
Jul 5, 7:26 PM CDT	Special Weather Statement	GID	Hamilton, Merrick	34 min
Jul 5, 7:27 PM CDT	Severe Thunderstorm Warning	GID	Hall, Howard	35 min
Jul 5, 7:36 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Nance, Polk, York	39 min
Jul 5, 7:49 PM CDT	Severe Thunderstorm Warning	GID	Howard, Merrick, Nance	25 min
Jul 5, 8:08 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance, Polk	52 min
Jul 5, 8:27 PM CDT	Severe Thunderstorm Warning	GID	Polk	48 min
Jul 6, 12:59 AM CDT	Special Weather Statement	GID	Sherman	31 min
Jul 6, 1:10 AM CDT	Special Weather Statement	GID	Fillmore	50 min
Jul 6, 1:26 AM CDT	Special Weather Statement	GID	Howard	34 min
Jul 6, 1:39 AM CDT	Special Weather Statement	GID	Nance	51 min
Jul 6, 2:36 AM CDT	Special Weather Statement	GID	Polk	24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.