Severe Thunderstorm Warning 27, NWS Elko, NV

Area Forecast Discussion
National Weather Service Elko NV
1117 AM PDT Sun Sep 3 2023

.SYNOPSIS...Periods of heavy rainfall and thunderstorms continue
through the Labor Day weekend. Flooding remains a concern through
late Monday morning. In addition, some storms may be strong to
severe through the early evening, which may lead to wind gusts to
60 mph and hail one inch or larger. Monday and Tuesday night will
see cooler temps. Tuesday brings drier conditions through the
week.

&&

.SHORT TERM...Tonight through Monday night. Radar continues to be
active with various short fused products out at this time. Main
story is the upper level low, abundant subtropical moisture, and a
cold front that will continue to impact the weather across
northern and central Nevada this evening into tomorrow. Overnight
lows will be in the 40s and 50s.

For Monday and Monday night. All model solutions are showing the
departure of the upper low. In its wake, northwest to west flow
will commence. Isolated to scattered showers and thunderstorms can
be expected for portions of northeast Nevada where residual
moisture remains. In this same area, northwest winds 10 to 20 mph
with gusts to 30 mph are possible. In other locations winds are
expected to remain light. Highs will be in the 60s to low 70s.
Clear and cool conditions expected for Monday night. Some locales
may see the mid 30s, and frost/freeze products may be required.
Lows will be in the 30s and 40s.

.LONG TERM...Tuesday through Saturday

A quick moving weak shortwave upper trough will transit northern
NV Tuesday this trough will not have much to work with in the way
of moisture but it may generate a few showers across northern Elko
County before it departs. Wednesday, models support the upper
level ridge building back westward into southern Arizona. This
will keep NV under SW flow aloft, but the forecast position of the
high will help to quiet things down and keep thing dry for the
rest of the week into next weekend. A warming trend will start
Tuesday as highs warm back into upper 70s to upper 80s by the
weekend. Overnight lows will need to be watched for the
possibility of frost, especially Tuesday morning as lows look to
be in the mid 30s to mid 40s. Lows will start to recover back into
the low 40s to low 50s as the ridge builds west.

&&

.AVIATION...VFR conditions will be the primary flight conditions
for all terminals through Monday. Upper Trough will be generating
areas of showers and thunderstorms today and will continue through
Monday morning with all sites seeing good chances for impacts.
There is a threat for severe weather today with KWMC, KBAM, and
KTPH seeing a marginal risk, and KEKO and KELY seeing a slight
risk. Main hazards will be strong winds, large hail and heavy
rainfall. Terminals that experience storms will see short term
drops in conditions to MVFR to even IFR levels. Winds will
continue to be elevated, with S/SW winds of 20-30 KTS across
central Nevada terminals KTPH and KELY.

&&

.FIRE WEATHER...Northern and central Nevada has received decent
amounts of precipitation. Amounts on automated gauges are in the
one-tenth to one-quarter range, though locally higher amounts of
over an inch have been seen. Given this good showing, fire weather
conditions remain on the quiet side as overnight relative humidity
recoveries are excellent. Winds will remain breezy at times with
speeds up to 25 mph.The rain is forecast to come to an end Monday
with a day of cooler weather on Tuesday as highs barely climb into
the 60s. A warmup ensures during the middle portion of the week
though conditions are expected to remain dry.

&&

.LKN Watches/Warnings/Advisories...
Flood Watch through Monday morning Humboldt County...
Northeastern Nye County...Northern Elko County...Northern Lander
County and Northern Eureka County...Northwestern Nye County...
Ruby Mountains and East Humboldt Range...South Central Elko
County...Southeastern Elko County...Southern Lander County and
Southern Eureka County...Southwest Elko County...White Pine
County.

&&

86/98/98/86

Special Weather Statement
National Weather Service Elko NV
1155 AM PDT Sun Sep 3 2023

NVZ031-033-039-031930-
Southeastern Elko County NV-Northern Elko County NV-
South Central Elko County NV-
1155 AM PDT Sun Sep 3 2023

...A strong thunderstorm will impact portions of east central Elko
County through 1230 PM PDT...

At 1155 AM PDT, Doppler radar was tracking a strong thunderstorm near
Pequop Summit, moving northeast at 30 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Oasis and Pequop Summit.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 4096 11454 4100 11465 4129 11468 4115 11418
TIME...MOT...LOC 1855Z 204DEG 24KT 4103 11457

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

86

Special Weather Statement
National Weather Service Elko NV
1158 AM PDT Sun Sep 3 2023

NVZ034-038-031930-
Southwest Elko County NV-Ruby Mountains and East Humboldt Range NV-
1158 AM PDT Sun Sep 3 2023

...A strong thunderstorm will impact portions of central Elko County
through 1230 PM PDT...

At 1157 AM PDT, Doppler radar was tracking a strong thunderstorm near
Lamoille, moving northeast at 30 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Heavy rainfall along with gusty winds could knock down tree
         limbs and blow around unsecured objects. Minor damage to
         outdoor objects is possible.

Locations impacted include...
Lamoille, Spring Creek, and Halleck.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 4069 11545 4078 11564 4110 11542 4097 11516
TIME...MOT...LOC 1857Z 219DEG 27KT 4082 11548

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

98

Special Weather Statement
National Weather Service Elko NV
1205 PM PDT Sun Sep 3 2023

NVZ036-037-031930-
Southern Lander County and Southern Eureka County NV-
Northern Lander County and Northern Eureka County NV-
1205 PM PDT Sun Sep 3 2023

...A strong thunderstorm will impact portions of central Lander
County through 1230 PM PDT...

At 1205 PM PDT, Doppler radar was tracking a strong thunderstorm 33
miles west of Grass Valley, moving northeast at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Antelope Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 4034 11726 3994 11677 3975 11737 3985 11748
      3986 11746 3994 11748 3996 11751 4001 11754
TIME...MOT...LOC 1905Z 225DEG 20KT 4006 11718

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

86

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