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Weather Alerts for Yosemite NP

Issued by the National Weather Service

Winter Storm Warning  WINTER STORM WARNING   Winter Storm Warning
YOSEMITE NP

Areas Affected:
Yosemite NP outside of the valley - Upper San Joaquin River - Kaiser to Rodgers Ridge - Kings Canyon NP - Sequoia NP - South End of the Upper Sierra
Effective: Fri, 4/10 7:34pm Updated: Fri, 4/10 10:40pm Urgency: Expected
Expires: Sat, 4/11 4:00am Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Heavy snow expected. Low-end storm total of 10 inches and
high-end total of 30 inches expected in Madera and Mariposa
Counties and Yosemite National Park above 7,000 ft. Winds gusting
to 55 mph or higher.

* WHERE...Sierra Nevada above 7,000 feet from Yosemite NP to the
Lake Isabella Area.

* WHEN...Until 11 PM PDT Sunday.

* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow. Whiteout conditions are expected and will make
travel treacherous and potentially life-threatening.

Information:
Persons should delay all travel if possible. If travel is absolutely
necessary, drive with extreme caution and be prepared for sudden
changes in visibility. Leave plenty of room between you and the
motorist ahead of you, and allow extra time to reach your
destination. Avoid sudden braking or acceleration, and be especially
cautious on hills or when making turns. Make sure your car is
winterized and in good working order.

Winter Storm Warning  WINTER STORM WARNING   Winter Storm Warning
YOSEMITE NP

Areas Affected:
Western Plumas County/Lassen Park - West Slope Northern Sierra Nevada
Effective: Fri, 4/10 10:34am Updated: Fri, 4/10 10:40pm Urgency: Expected
Expires: Sat, 4/11 11:15am Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Heavy snow expected. Total snow accumulations 1 to 2 feet
above 4500 feet, with up to 3 to 4 feet at the highest peaks.
Minor snowfall accumulations of 2 to 4 inches down to 4000 feet.
Wind gusts as high as 50 mph.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.

* WHEN...From 5 PM this afternoon to 11 PM PDT Sunday.

* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the this evenings commute and
weekend mountain travel.

* ADDITIONAL DETAILS...Snow levels generally remain above pass
levels through this afternoon, dropping to around 6000-7000 ft
tonight-Saturday, then lowering to around 4000-5000 ft Sunday.
Heavy snowfall rates of 1-2 inch per hour, with the heaviest
snowfall Saturday afternoon through Sunday.

Information:
Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.