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California, Mono

Areal Flood Advisory, Areal Flood Watch

Statement as of 3:42 PM PDT on May 22, 2017

Expires 2:00 AM EDT on May 25, 2017


The National Weather Service in Reno has issued a

* flood advisory for...
snowmelt in...
northern Mono County in northern California...
Douglas County in western Nevada...
southern Lyon County in west central Nevada...

* until 330 PM PDT Friday

* the west Walker River will approach and likely exceed minor flood
stage during the night between Tuesday and Thursday.

* Warming temperatures will produce increased snowmelt runoff and
high flows in area streams and rivers through late this week.
These increased flows will produce additional minor flooding along
the west Walker River and exacerbate already existing minor
flooding in Antelope Valley and the southern end of the Mason
Valley. The highest flows are likely in the evening and overnight
on the west Walker River.

* Flooding of pastures, rural roads and campgrounds is possible
through the west Walker River canyon. Additional flooding of
agricultural areas in Antelope Valley along the west Walker River
is likely along with high water through Smith Valley and Wilson
Canyon.

* Along the east Walker River minor flooding is expected to continue
from above strosnider ditch to the confluence with the west Walker
River.


Lat... Lon 3889 11912 3881 11903 3872 11896 3862 11896
      3863 11899 3869 11901 3875 11904 3881 11908
      3885 11913 3881 11917 3879 11923 3881 11928
      3880 11932 3876 11935 3870 11944 3864 11947
      3856 11946 3849 11944 3837 11943 3838 11948
      3850 11948 3866 11952 3875 11943 3883 11936
      3886 11928 3882 11922 3886 11919


Jw



319 PM PDT Mon may 22 2017

... Flood Watch remains in effect through Wednesday evening...

The Flood Watch continues for

* portions of California and western Nevada, including the
following areas, in California, greater Lake Tahoe area,
Lassen-eastern Plumas-eastern Sierra counties, and Mono
County. In western Nevada, greater Lake Tahoe area and greater
Reno-Carson City-Minden area.

* Through Wednesday evening

* warming temperatures will accelerate snowpack melt across the
eastern Sierra through early week. Best estimates for flows
this week coming out of unregulated eastern Sierra creeks and
streams are likely to be 2-2.5 times current flows with
smaller creeks likely to see 3 times current flows.

* Daily peak flows on small creeks and streams typically occur
during the evening and overnight hours.

Precautionary/preparedness actions...

Excessive runoff may also generate rock and mud slides in steep
terrain. Persons living along small creeks and streams should
monitor the latest weather information at weather.Gov/Reno and be
prepared to take action should flooding occur.





Special Statement

Statement as of 3:43 PM PDT on May 22, 2017

Expires 8:00 PM EDT on May 23, 2017


... Snowmelt flooding concerns increase over the eastern Sierra
and western Nevada...

With temperatures rising well above normal through Wednesday,
snowmelt will accelerate across the eastern Sierra. The increase
in snowmelt will cause daily rises in many small streams from Mono
County north through the northern Sierra. Snowmelt flow typically
peaks in smaller streams late in the evening or overnight.
Farther downstream flows will continue to increase through next
week as the smaller streams add water to the main rivers.

Small streams, and Walker, Carson, and Truckee River flooding
summary:

* on the west Walker River, minor flooding is expected from the
Walker River canyon into Antelope Valley and high flows through
Smith Valley and downstream through Wilson Canyon. There is
minor flooding occurring just below Wilson Canyon.

* On the east Walker River, minor flooding is ongoing and
expected to continue from just above strosnider ditch to the
confluence with the west Walker.

* The Walker River through Mason Valley and Yerington is expected
to crest just below moderate flood stage. Minor flood stage
will be reached Wednesday morning and flow will peak out late
Friday.

* No flooding is expected below Weber Reservoir at this time.

* Small streams draining the eastern Sierra could see flows in
excess of 2 to 3 times their current flows causing flooding
near the streams from southern Mono County north through the
Tahoe basin and into parts of Sierra and Plumas counties.

* The upper parts of the Carson River... including the southwest
Carson Valley... are likely to experience minor flooding of farm
and ranch lands.

* The Truckee River will likely see minor flooding below Lake
Tahoe to Truckee along Highway 89 and nearby areas. This is
likely to be confined to areas immediately adjacent to the river
with impacts confined to campgrounds and bike trails.


Http://weather.Gov/Reno

Areal Flood Advisory, Areal Flood Watch

Statement as of 3:42 PM PDT on May 22, 2017

Expires 2:00 AM EDT on May 25, 2017


The National Weather Service in Reno has issued a

* flood advisory for...
snowmelt in...
northern Mono County in northern California...
Douglas County in western Nevada...
southern Lyon County in west central Nevada...

* until 330 PM PDT Friday

* the west Walker River will approach and likely exceed minor flood
stage during the night between Tuesday and Thursday.

* Warming temperatures will produce increased snowmelt runoff and
high flows in area streams and rivers through late this week.
These increased flows will produce additional minor flooding along
the west Walker River and exacerbate already existing minor
flooding in Antelope Valley and the southern end of the Mason
Valley. The highest flows are likely in the evening and overnight
on the west Walker River.

* Flooding of pastures, rural roads and campgrounds is possible
through the west Walker River canyon. Additional flooding of
agricultural areas in Antelope Valley along the west Walker River
is likely along with high water through Smith Valley and Wilson
Canyon.

* Along the east Walker River minor flooding is expected to continue
from above strosnider ditch to the confluence with the west Walker
River.


Lat... Lon 3889 11912 3881 11903 3872 11896 3862 11896
      3863 11899 3869 11901 3875 11904 3881 11908
      3885 11913 3881 11917 3879 11923 3881 11928
      3880 11932 3876 11935 3870 11944 3864 11947
      3856 11946 3849 11944 3837 11943 3838 11948
      3850 11948 3866 11952 3875 11943 3883 11936
      3886 11928 3882 11922 3886 11919


Jw



319 PM PDT Mon may 22 2017

... Flood Watch remains in effect through Wednesday evening...

The Flood Watch continues for

* portions of California and western Nevada, including the
following areas, in California, greater Lake Tahoe area,
Lassen-eastern Plumas-eastern Sierra counties, and Mono
County. In western Nevada, greater Lake Tahoe area and greater
Reno-Carson City-Minden area.

* Through Wednesday evening

* warming temperatures will accelerate snowpack melt across the
eastern Sierra through early week. Best estimates for flows
this week coming out of unregulated eastern Sierra creeks and
streams are likely to be 2-2.5 times current flows with
smaller creeks likely to see 3 times current flows.

* Daily peak flows on small creeks and streams typically occur
during the evening and overnight hours.

Precautionary/preparedness actions...

Excessive runoff may also generate rock and mud slides in steep
terrain. Persons living along small creeks and streams should
monitor the latest weather information at weather.Gov/Reno and be
prepared to take action should flooding occur.





Weather Severe Map
Alabama - Flood Warning , Flash Flood Watch , Flash Flood Watch, Coastal Hazard Statement , Hydrologic Statement
Alaska - Special Statement , Record Report
Arizona - Excessive Heat Warning , Fire Weather Watch , Air Quality Alert
Arkansas - Flood Warning , Flood Advisory , Record Report
California - Flood Warning , Areal Flood Watch , Areal Flood Advisory , Areal Flood Advisory, Areal Flood Watch , Areal Flood Watch, Areal Flood Advisory , Excessive Heat Warning , Special Statement , Hydrologic Statement , Record Report
Colorado - Public Information Statement , Public Information Statement
Delaware - Record Report
Florida - Flood Warning , Coastal Flood Watch , Flash Flood Watch, Coastal Hazard Statement , Coastal Hazard Statement , Flash Flood Watch , Lake Wind Advisory
Georgia - Flash Flood Watch , Record Report
Hawaii - Record Report
Idaho - Areal Flood Warning , Flood Warning
Illinois - Flood Warning , Flood Watch
Indiana - Flood Warning
Iowa - Flood Warning , Flood Watch , Special Statement , Public Information Statement , Public Information Statement
Kansas - Flood Warning , Public Information Statement , Public Information Statement
Kentucky - Flood Warning
Louisiana - Flood Warning , Flash Flood Watch
Maryland - Public Information Statement
Michigan - Flood Advisory , Special Statement
Minnesota - Flood Warning , Special Statement , Record Report , Public Information Statement
Mississippi - Flood Warning , Flash Flood Watch, Areal Flood Advisory , Flash Flood Watch , Areal Flood Advisory, Flash Flood Watch , Flood Advisory
Missouri - Flood Warning , Flood Advisory
Montana - High Wind Warning , High Wind Watch
Nebraska - Flood Warning
Nevada - Flood Warning , Areal Flood Advisory , Areal Flood Advisory, Areal Flood Watch , Special Statement
New Mexico - Fire Weather Watch
New York - Public Information Statement
North Carolina - Areal Flood Watch , Flash Flood Watch , Areal Flood Advisory, Areal Flood Watch , Beach Hazard Statement
North Dakota - Flood Warning , Frost Advisory
Oklahoma - Flood Warning , Flood Advisory
Puerto Rico -
South Carolina - Flash Flood Watch , Beach Hazard Statement
South Dakota - Flood Warning
Tennessee - Flood Warning , Flood Advisory
Texas - Flood Warning , Flash Flood Warning , Areal Flood Advisory , Special Statement , Record Report
Vermont - Public Information Statement
Virginia - Flood Warning , Areal Flood Advisory, Areal Flood Watch , Areal Flood Watch
Washington - Flood Warning, Areal Flood Warning , Flood Warning , Flood Watch , Wind Advisory , Record Report
Wisconsin - Flood Warning , Areal Flood Warning , Flood Watch , Special Statement , Public Information Statement

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