Truckee, CA

4:39 PM PST on February 20, 2017 (GMT -0800)
Truckee-Tahoe | | Change Station

Elev 5899 ft 39.32 °N, 120.14 °W | Updated 54 minutes ago

Rain
Rain
34 °F
Feels Like 30 °F
N
5
Wind Variable Wind from SSE

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.87 in
Visibility 0.9 miles
Clouds Overcast 1300 ft
Windchill 30 °F
Dew Point 32 °F
Humidity 93%
Rainfall 0.42 in
Snow Depth Not available.
6:45 AM 5:43 PM
Waning Crescent, 30% visible
METAR KTRK 202345Z 15004KT 7/8SM -SN OVC013 01/00 A2987 RMK NOSPECI 10010
Pressure 29.87 in
Visibility 0.9 miles
Clouds Overcast 1300 ft
Windchill 30 °F
Dew Point 32 °F
Humidity 93%
Rainfall 0.42 in
Snow Depth Not available.
6:45 AM 5:43 PM
Waning Crescent, 30% visible
METAR KTRK 202345Z 15004KT 7/8SM -SN OVC013 01/00 A2987 RMK NOSPECI 10010

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What may become known as the President’s Day Storm of 2017 barreled into the San Francisco Bay area on Monday morning. Heavy rains and localized flooding may develop across the region. High winds later Monday could bring down trees and cause widespread, prolonged power outages from the Bay Area toward Sacramento.

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Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Winter Storm Warning
Issued: 3:28 PM PST Feb. 20, 2017 – National Weather Service

... Winter Storm Warning remains in effect until 4 PM PST
Tuesday...

* timing: moderate to heavy snow will continue through Tuesday
with the heaviest snow expected this evening. Snow will mix with
rain at times below 7000 feet through this evening.

* Additional snow accumulations: above 7000 feet... 18 to 36
inches. Between 6500 and 7000 feet... 8 to 16 inches. Heaviest
snow will be along and west of Highway 89. Below 6500 feet... 3
to 12 inches mainly after midnight tonight.

* Winds: south to southwest winds 20 to 35 mph with gusts to 55
mph. Sierra ridge gusts over 100 mph, with peak gusts over 150
mph tonight.

* Wave heights on lake tahoe: 2 to 5 feet with highest waves
expected tonight from mid lake to the north and east shores.

* Snow levels: near 6500 feet this evening falling to the valley
floors early Tuesday morning. Snow levels may briefly rise to
near 7000 feet this evening.

* Impacts: heavy snow will create dangerous conditions, with
travel being severely impacted over the Sierra passes.
Snowfall rates will exceed 2 inches per hour at times,
producing whiteout conditions over the passes and in the
backcountry.

Precautionary/preparedness actions...

Avoid travel today through Tuesday, you could be stuck in your
vehicle for many hours. If you must travel, prepare for long
delays and carry an emergency kit with extra food, water and
clothing. If you stay home, have a backup plan in case of power
outages.





328 PM PST Mon Feb 20 2017

... Winter Storm Warning remains in effect until 4 PM PST
Tuesday...

* timing: moderate to heavy snow will continue through Tuesday
with the heaviest snow expected this evening. Snow will mix with
rain at times below 7000 feet through this evening.

* Additional snow accumulations: above 7000 feet... 18 to 36
inches. Between 6500 and 7000 feet... 8 to 16 inches. Heaviest
snow will be along and west of Highway 89. Below 6500 feet... 3
to 12 inches mainly after midnight tonight.

* Winds: south to southwest winds 20 to 35 mph with gusts to 55
mph. Sierra ridge gusts over 100 mph, with peak gusts over 150
mph tonight.

* Wave heights on lake tahoe: 2 to 5 feet with highest waves
expected tonight from mid lake to the north and east shores.

* Snow levels: near 6500 feet this evening falling to the valley
floors early Tuesday morning. Snow levels may briefly rise to
near 7000 feet this evening.

* Impacts: heavy snow will create dangerous conditions, with
travel being severely impacted over the Sierra passes.
Snowfall rates will exceed 2 inches per hour at times,
producing whiteout conditions over the passes and in the
backcountry.

Precautionary/preparedness actions...

Avoid travel today through Tuesday, you could be stuck in your
vehicle for many hours. If you must travel, prepare for long
delays and carry an emergency kit with extra food, water and
clothing. If you stay home, have a backup plan in case of power
outages.





Flood Warning, Areal Flood Warning
Issued: 3:21 PM PST Feb. 20, 2017 – National Weather Service

The Flood Warning continues for
the Cosumnes river at Michigan Bar.
* From this evening until further notice... or until the warning is
cancelled.
* At 2:30 PM Monday the stage was 8.5 feet.
* Minor flooding is forecast.
* Expected to rise above flood stage of 12.0 ft this evening then
forecast to crest near 15.0 ft early tomorrow morning then forecast
to recede to near 12.0 ft tomorrow afternoon.
* Flood stage 12.0 ft
* monitor stage 7.0 ft
* impact... near 13.2 feet, water floods houses in Wilton. The South
Bank levee near Wilton is overtopped.
* Impact... near 12.0 feet, water flows on to the Road near Wilton.
* Impact... near 8.0 feet, low lying lands along the river begin to
flood.


&&

Lat... Lon 3848 12133 3859 12103 3842 12092 3836 12124





1127 am PST Mon Feb 20 2017

The National Weather Service in Reno has issued a

* Flood Warning for urban areas and small streams for...
rain and snowmelt in...
Plumas County in northern California...
Alpine County in northern California...
Sierra County in northern California...
southeastern Lassen County in northern California...
Storey County in western Nevada...
southern Washoe County in western Nevada...
Douglas County in western Nevada...
northern Lyon County in west central Nevada...
Carson City in western Nevada...

* until 1130 am PST Tuesday

* at 1123 am PST, heavy rain continues to fall with more rain
expected through midnight tonight. Around one inch of rain has
already fallen with another 3 inches of rain possible through
midnight.

* Some locations that will experience flooding include...
Reno, Carson City, Beckwourth, Doyle, Gardnerville, Virginia City,
Chilcoot, Sparks, Dayton, Spanish Springs, Washoe Valley, and the
Carson and Sierra valleys.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.


Lat... Lon 4017 11971 3982 11939 3910 11937 3857 11935
      3887 11982 3928 11982 3953 11993 3960 12000
      3972 12014 3971 12046 3990 12047 4010 12021


Jw



959 am PST sun Feb 19 2017

... A Flood Warning for urban areas and small streams remains in
effect until 400 PM PST Thursday for Colusa... Yolo... Sutter...
Solano... Plumas... alpine... Placer... Shasta... Lassen... Amador...
Tuolumne... Sacramento... lake... Stanislaus... San Joaquin... El
Dorado... Calaveras... Tehama... Butte... Glenn... Sierra... Yuba and
Nevada counties...

* interior northern California will experience another significant
uptick in flooding problems starting late tonight and continuing
through Monday night as an intense atmospheric river type storm
arrives.

* Our entire region has saturated soils and many flooded areas
already. This will enhance the impact of additional heavy rains
this week.

* Additional stress will be placed on levees, rivers, creeks, and
streams.

* We may see flooding in locations which haven't been impacted in
many years.

* We are strongly advising all residents in interior northern
California to be prepared for flooding.

Precautionary/preparedness actions...

Be prepared to evacuate if flooding should affect your area. Gather
a "go bag" with important items like medications and hard to replace
documents. Do not Forget to plan for you pets and animals.

Please never drive across flooded waters and roadways, especially
flowing water. Most people who are killed or injured during floods
are attempting to drive through flooded waters. Turn around, don't
drown!

Lat... Lon 3725 12146 3810 12157 3808 12230 3832 12206
      3884 12229 3867 12262 3907 12309 3950 12306
      3955 12288 4033 12307 4058 12269 4117 12246
      4118 12250 4118 12133 4059 12132 3835 11963
      3776 11988 3780 12018 3713 12122


Mk


Areal Flood Watch
Issued: 2:24 PM PST Feb. 20, 2017 – National Weather Service

... Flood Watch remains in effect through Tuesday morning...

The Flood Watch continues for

* portions of east central California and western Nevada,
including the Lake Tahoe basin.

* Through Tuesday morning

* a strong atmospheric river will bring heavy rain and snow to the
Tahoe basin. Snow levels at 6000 to 6500 have minimized the
flood threat so far today.

* The highest risk of flooding is in urban areas where snow has
blocked drainage paths. The upper Truckee River in South Lake
Tahoe will continue to rise, but is likely to remain below flood
stage. Rock and mud slides are also possible.

Precautionary/preparedness actions...

Travelers should slow down and turn on headlights in areas of
rainfall. 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.





Hydrologic Statement, Avalanche Warning
Issued: 2:33 PM PST Feb. 20, 2017 – National Weather Service

Forecast information for
Bear River above Wheatland.
* At 1:45 PM Monday the stage was 9.4 feet.
* Forecast to rise above monitor stage of 16.0 ft late this evening
then forecast to crest near 19.5 ft tomorrow morning then forecast
to fluctuate near 19.5 ft thru tomorrow morning then forecast to
recede to near 18.0 ft tomorrow afternoon.
* Flood stage 24.0 ft
* monitor stage 16.0 ft
* impact... near 13.6 feet, Orchards within the levee downstream near
Pleasant Grove Road begin to flood.

&&

Lat... Lon 3899 12158 3903 12142 3897 12133 3882 12161





718 am PST Mon Feb 20 2017

The following message is transmitted at the request of the Forest
service Sierra avalanche center.

... An avalanche warning is in effect through Tuesday morning...

The Forest service Sierra avalanche center has issued a
backcountry avalanche warning.

* Timing... in effect from 7 am Monday morning through 7 am Tuesday
morning.

* Affected area... for the Sierra Nevada mountains of California
and Nevada, from Yuba Pass to Ebbetts Pass, including the Lake
Tahoe basin.

* Avalanche danger... high avalanche danger will exist at all
elevations.

* Reason/impacts... a strong atmospheric river storm is impacting
the area. Wind slab, storm slab, and loose wet avalanche
problems will be very likely at all elevations. Natural and
human triggered avalanches are expected.

Precautionary/preparedness actions...

Avalanches may run long distances, into flat areas, and can run
into mature forests.

Travel in avalanche terrain is not recommended.

Consult www.Sierraavalanchecenter.Org or www.Avalanche.Org for
more detailed information.

Similar avalanche danger may exist at locations outside the
coverage area of this or any avalanche center.


718 am PST Mon Feb 20 2017

The following message is transmitted at the request of the Forest
service Sierra avalanche center.

... An avalanche warning is in effect through Tuesday morning...

The Forest service Sierra avalanche center has issued a
backcountry avalanche warning.

* Timing... in effect from 7 am Monday morning through 7 am Tuesday
morning.

* Affected area... for the Sierra Nevada mountains of California
and Nevada, from Yuba Pass to Ebbetts Pass, including the Lake
Tahoe basin.

* Avalanche danger... high avalanche danger will exist at all
elevations.

* Reason/impacts... a strong atmospheric river storm is impacting
the area. Wind slab, storm slab, and loose wet avalanche
problems will be very likely at all elevations. Natural and
human triggered avalanches are expected.

Precautionary/preparedness actions...

Avalanches may run long distances, into flat areas, and can run
into mature forests.

Travel in avalanche terrain is not recommended.

Consult www.Sierraavalanchecenter.Org or www.Avalanche.Org for
more detailed information.

Similar avalanche danger may exist at locations outside the
coverage area of this or any avalanche center.