Flash Flood Warning 28, NWS Elko, NV

109 
WGUS75 KLKN 030101
FFSLKN

Flash Flood Statement
National Weather Service Elko NV
601 PM PDT TUE OCT 2 2018

NVC007-033-030200-
/O.CON.KLKN.FF.W.0028.000000T0000Z-181003T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White Pine NV-Elko NV-
601 PM PDT TUE OCT 2 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM PDT FOR
NORTHERN WHITE PINE AND SOUTHEASTERN ELKO COUNTIES...

At 555 PM PDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area have moved off to the northeast. 
However, additional light to moderate showers are moving in from the 
southwest. Up to one half inch of rain has already fallen. Flash 
flooding is expected to continue in the Ghoshute Cave burn scar.

Excessive rainfall over the burn scar will result in debris flow 
moving through the McDermid Creek. The debris flow can consist of 
rock, mud, vegetation and other loose materials.

Additional rainfall amounts of around one quarter of an inch are 
possible in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry arroyos is likely. The heavy rains
will likely trigger rockslides, mudslides and debris flows in steep
terrain, especially in and around these areas.

&&

LAT...LON 4019 11476 4005 11473 4001 11485 4017 11492
      4025 11484

$$

JRM

871 
WGUS75 KLKN 030159
FFSLKN

Flash Flood Statement
National Weather Service Elko NV
659 PM PDT TUE OCT 2 2018

NVC007-033-030208-
/O.EXP.KLKN.FF.W.0028.000000T0000Z-181003T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White Pine NV-Elko NV-
659 PM PDT TUE OCT 2 2018

...THE FLASH FLOOD WARNING FOR NORTHERN WHITE PINE AND SOUTHEASTERN
ELKO COUNTIES WILL EXPIRE AT 700 PM PDT...

The heavy rain has ended. Flood waters have likely receded. Flooding 
is no longer expected to pose a significant threat. Minor flooding is 
still possible through the evening.  

LAT...LON 4019 11476 4005 11473 4001 11485 4017 11492
      4025 11484

$$

94

Area Forecast Discussion
National Weather Service Elko NV
207 PM PDT Tue Oct 2 2018

.SYNOPSIS...Tropical moisture will make its way through the
Silver State this week. Moderate to heavy rain showers are
expected to mainly affect below I-80 Nevada today. Showers will
spread across NV as a storm moves through the region from
California on Wednesday and Thursday.

&&

.SHORT TERM...Today through Wednesday. The moisture from Rosa is
making it way across the desert southwest today. Some of the
moisture has moved across central and eastern NV with more
moisture following behind it. The amount of moisture is less than
what was seen in previous forecasts but is still significant.
This moisture is coupled with instability that causing showers
and thunderstorms across much of central and eastern NV. The
rainfall can be heavy at times which will pose a flash flood
threat in steep terrain and on burn scars. Tomorrow will see the
storm system fully move into NV spreading moisture north and
westward. This will lead to greater coverage of showers and
thunderstorms across NV. However there will be less moisture
associated with the showers during the mid week with flooding
being less of a threat. This system will bring colder temperatures
that will allow for snowfall to start on the mountains especially
in northwestern NV.

.LONG TERM...Thursday night through next Tuesday.

Confidence remains moderate to high regarding the unsettled
weather pattern expected to continue into the weekend.

Northwest flow behind the exiting trough will usher in drier
conditions Friday for much of the state. However, another
significant upper-level trough with Pacific Northwest moisture
will begin to filter into northwest Nevada bringing more
widespread showers to the forecast area FRiday night into
Saturday. Models are in good agreement in bringing the trough
southeastward into the region and slowing its forward progress
Saturday. A stronger cold front will move through the state
Saturday ushering in a cooler air mass with high temperatures
Sunday in the 40s and 50s across central and eastern portions of
the state. Widespread 20s and lower 30s are possible Monday
morning. Another storm system could affect the region again around
the middle of next week bringing more valley rain and mountain
snow to much of the state.

&&

.AVIATION...Numerous showers and isolated thunderstorms will
continue into the evening hours across central and eastern Nevada.
Lowering CIGs and gusty outflow winds are the main threats with
the thunderstorms. KTPH, KELY and KEKO will see the best chance
for showers and thunderstorms. All terminals will be affected
Wednesday with widespread showers and isolated thunderstorms
across the state.

&&

.FIRE WEATHER...The arrival of moisture from a dying tropical
system interacting with another low pressure system will bring wet
weather to NV. Wetting thunderstorms are expected through the
week. The amount of rainfall may pose a flash flood threat and
debris flow threat on the burn scars. Peak rainfall potential
should be tonight through Thursday. The arrival of moisture will
bring high RH values through the week with Min RH hovering in the
40s%.

&&

.HYDROLOGY...Due to the expected moisture from a dying hurricane
Rosa this week, many regions in central and eastern NV could see
rainfall over one-half inch over the next couple of days. Locally
heavier rainfall of well over an inch is possible from
thunderstorms and orographic impacts. The mountains will bear the
brunt of the moisture and will have the greatest opportunity to
see heavy and prolonged rainfall. The amount of expected rainfall
does pose a flash flood threat over a large area of central and
eastern NV. Heavy rainfall in steep terrain can rapidly lead to a
flash flood. The most vulnerable areas will be the burn scars as
they can readily produce heavy runoff and debris flows. If a flash
flood or debris flow is seen do not drive or travel into it as it
can easily carry away people and machines.

&&

.LKN WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch through late tonight for Northeastern Nye
County-Ruby Mountains/East Humboldt Range-South Central Elko
County-White Pine County.

&&

99/93/93/99

Hazardous Weather Outlook
National Weather Service Elko NV
242 AM PDT Tue Oct 2 2018

NVZ030-031-033-036>038-040-030000-
Humboldt County-Northern Elko County-Southeastern Elko County-
Northern Lander County and Northern Eureka County-
Southern Lander County and Southern Eureka County-
Southwestern Elko County-Northwestern Nye County-
242 AM PDT Tue Oct 2 2018

This hazardous weather outlook is for portions of north central
Nevada...northeast Nevada...northwest Nevada and south central
Nevada.

.DAY ONE...Today and tonight.

Remnant moisture from Hurricane Rosa will be pushing northward
through the state. While the track of the moisture plume is not
clear, it is possible to get some flash flooding in some parts of
western Nevada tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Moisture from Rosa will combine with additional moisture from a
Pacific storm system moving into the Great Basin Wednesday and
Thursday. This is a favorable setup for excessive rainfall. Recent
burn scars will be especially susceptible to flooding or debris
flow Wednesday and Thursday if the two storm systems stay on
track.

.SPOTTER INFORMATION STATEMENT...

Spotters are asked to report weather phenomena according to
standard operating procedure.

LW

Special Weather Statement
National Weather Service Elko NV
204 PM PDT TUE OCT 2 2018

NVZ034>039-022230-
Southern Lander County and Southern Eureka County-Southwest Elko
County-South Central Elko County-White Pine County-Ruby Mountains and
East Humboldt Range-Northern Lander County and Northern Eureka
County-
204 PM PDT TUE OCT 2 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN WHITE
PINE...SOUTH CENTRAL ELKO AND EAST CENTRAL EUREKA COUNTIES...

At 202 PM PDT, strong thunderstorms were clustered 17 miles south of
Pine Valley, moving northeast at 25 mph.

Winds in excess of 50 mph are possible with this storm.

Locations impacted include...
Elko, Lamoille, Jiggs, South Fork, Pine Valley, Spring Creek, Lee,
Harrison Pass, Lamoille Summit, Lamoille Canyon and Emigrant Mine.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Heavy rainfall can lead to the quick formation
of flash floods and debris flows on the Range Two burn scar and in
the steep terrain. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4009 11582 4039 11621 4092 11574 4057 11518
TIME...MOT...LOC 2102Z 221DEG 22KT 4017 11606

DW

Special Weather Statement
National Weather Service Elko NV
222 PM PDT TUE OCT 2 2018

NVZ040-041-022215-
Northwestern Nye County-Northeastern Nye County-
222 PM PDT TUE OCT 2 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN NYE AND
ESMERALDA COUNTIES...

At 222 PM PDT, strong thunderstorms were clustered 15 miles north of
Tonopah, moving north at 35 mph.

Winds in excess of 45 mph and pea size hail are possible with
these storms.

Locations impacted include...
Manhattan, Tonopah, Tonopah Airport and Hadley.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3805 11708 3805 11723 3847 11769 3880 11721
      3833 11656 3804 11704
TIME...MOT...LOC 2122Z 202DEG 31KT 3828 11717

DW

Special Weather Statement
National Weather Service Elko NV
234 PM PDT TUE OCT 2 2018

NVZ037-041-022215-
Southern Lander County and Southern Eureka County NV-
Northeastern Nye County NV-
234 PM PDT TUE OCT 2 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN NYE AND SOUTH CENTRAL
EUREKA COUNTIES UNTIL 315 PM PDT...

At 234 PM PDT, Doppler radar was tracking a strong thunderstorm 28
miles southeast of Hickison Summit, moving northeast at 45 mph.

Wind gusts of 50 to 55 mph will be possible with this storm.

This storm will remain over mainly rural areas of northern Nye and
south central Eureka Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3898 11647 3905 11658 3947 11632 3928 11592
TIME...MOT...LOC 2134Z 223DEG 38KT 3908 11645

SH

Special Weather Statement
National Weather Service Elko NV
312 PM PDT TUE OCT 2 2018

NVZ034-035-039-022315-
South Central Elko County-White Pine County-Ruby Mountains and East
Humboldt Range-
312 PM PDT TUE OCT 2 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL WHITE PINE AND
SOUTH CENTRAL ELKO COUNTIES...

At 312 PM PDT, a strong thunderstorm was located 14 miles south of
Ruby Lake, moving northeast at 40 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Ruby Lake, Big Bald Mountain and Overland Pass.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3982 11546 4002 11570 4037 11536 4006 11501
TIME...MOT...LOC 2212Z 235DEG 34KT 3999 11551

DW

Special Weather Statement
National Weather Service Elko NV
326 PM PDT TUE OCT 2 2018

NVZ035-037-041-022330-
Southern Lander County and Southern Eureka County-Northeastern Nye
County-White Pine County-
326 PM PDT TUE OCT 2 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN NYE...WEST CENTRAL
WHITE PINE AND SOUTHEASTERN EUREKA COUNTIES...

At 325 PM PDT, a strong thunderstorm was located 11 miles south of
Pinto Summit, moving northeast at 40 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Eureka, Pinto Summit, Little Antelope Summit and Pancake Summit.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3897 11603 3927 11618 3956 11591 3940 11545
TIME...MOT...LOC 2225Z 230DEG 35KT 3928 11593

DW