Alert archive / Nevada / Flash Flood Warnings in 2012

Flash Flood Warning 3, NWS Elko, NV

July 16, 2012Elko County, Nevada

NWS Elko, NV issued this flash flood warning at Jul 16, 2012, 2:51 PM PDT for Elko County, Nevada. It was in force for 71 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: Jul 16, 2012, 2:51 PM PDT (21:51 UTC)
Expired: Jul 16, 2012, 4:02 PM PDT
In force: 71 min
Issued by: NWS Elko, NV
Area: Storm-based polygon
Flood severity: None

County Elko County, NV

The radar

The Elko radar (KLRX), 127 km from the middle of the area, began a volume at 21:52 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

Elko, NV (KLKN), launched 12:00Z, 9.9 hours before the alert went out and 115 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: 2207 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

157 
WGUS55 KLKN 162151
FFWLKN
NVC007-162315-
/O.NEW.KLKN.FF.W.0003.120716T2151Z-120716T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
251 PM PDT MON JUL 16 2012

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL ELKO COUNTY IN NORTHEAST NEVADA...

* UNTIL 415 PM PDT

* AT 243 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

LOCATIONS NEAR THE PATH OF INCLUDE....RUBY VALLEY ROAD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
RUBY WASH...HARRISON PASS CREEK...MCCUTCHEON CREEK...SOUTH FORK SMITH
CREEK...GREEN MOUNTAIN CREEK AND SOUTH FORK GREEN MOUNTAIN CREEK.

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF AN INCH ARE POSSIBLE IN THE 
WARNED AREA OVER THE NEXT 45 MINUTES.  

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4043 11551 4035 11515 4026 11522 4032 11555

$$

DD

1 follow-up statement

763 
WGUS75 KLKN 162302
FFSLKN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
402 PM PDT MON JUL 16 2012

NVC007-162311-
/O.CAN.KLKN.FF.W.0003.000000T0000Z-120716T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ELKO NV-
402 PM PDT MON JUL 16 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTH CENTRAL ELKO
COUNTY...

NO RAIN HAS FALLEN IN THE WARNED AREA OVER THE LAST HOUR...THUS THE 
THREAT FOR FLASH FLOODING HAS ENDED. THE CHANCE FOR ADDITIONAL 
THUNDERSTORMS WILL CONTINUE INTO THE EVENING.  

&&

LAT...LON 4043 11551 4035 11515 4026 11522 4032 11555

$$

DD

The office that day

Everything else NWS Elko, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 16, 11:12 AM PDT	Special Weather Statement	LKN	White Pine	48 min
Jul 16, 11:23 AM PDT	Special Weather Statement	LKN		37 min
Jul 16, 12:11 PM PDT	Special Weather Statement	LKN		34 min
Jul 16, 12:46 PM PDT	Special Weather Statement	LKN		44 min
Jul 16, 1:05 PM PDT	Special Weather Statement	LKN	Eureka	25 min
Jul 16, 1:44 PM PDT	Special Weather Statement	LKN		31 min
Jul 16, 2:09 PM PDT	Special Weather Statement	LKN		36 min
Jul 16, 2:21 PM PDT	Special Weather Statement	LKN		24 min
Jul 16, 2:31 PM PDT	Special Weather Statement	LKN		29 min
Jul 16, 2:33 PM PDT	Special Weather Statement	LKN		42 min
Jul 16, 3:00 PM PDT	Special Weather Statement	LKN	White Pine	30 min
Jul 16, 3:03 PM PDT	Special Weather Statement	LKN		27 min
Jul 16, 3:09 PM PDT	Special Weather Statement	LKN	White Pine	36 min
Jul 16, 3:59 PM PDT	Special Weather Statement	LKN		31 min
Jul 16, 4:31 PM PDT	Special Weather Statement	LKN		29 min
Jul 16, 4:40 PM PDT	Flash Flood Warning	LKN	Elko	6 hr

Nearby

Flash Flood Warnings in Nevada, 2012 Every flash flood warning in 2012

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.