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wwus46 khnx 250155

urgent - winter weather message
national weather service hanford ca
655 pm pdt fri mar 24 2017

sierra nevada from yosemite to kings canyon-
655 pm pdt fri mar 24 2017

...winter weather advisory remains in effect until 11 am pdt
saturday above 7000 feet...

* locations...southern sierra nevada above 7000 feet from 
  yosemite national park to kings canyon national park.

* hazard types...reduced visibility in snow. snow accumulating 
  on trees and power lines.

* accumulations...snow accumulation of 4 to 8 inches above 7000 
  feet with local amounts up to 12 inches over higher 
  elevations. snow level lowering to around 6000 feet by 
  saturday morning with a 1 to 3 inches accumulation possible.

* timing...snow continuing near yosemite and spreading south
  through the night. snow becoming heavy at times this evening,
  then diminishing snow showers into saturday morning.

* impacts...difficult travel conditions with reduced visibility 
  and blowing snow. possible power outages.

* winds...southwest 10 to 25 mph with gusts up to 45 mph.

precautionary/preparedness actions...

a winter weather advisory means that periods of snow will cause
travel difficulties. be prepared for slippery roads and limited
visibilities, and use caution while driving.


wwus45 krev 242224

greater lake tahoe area-
including the cities of south lake tahoe, truckee, stateline, 
and incline village
324 pm pdt fri mar 24 2017

...winter weather advisory remains in effect until 4 am pdt

* timing: snow will diminish to scattered snow showers during the
  evening hours. 

* additional snow accumulations: 2 to 5 inches with locally up to
  8 inches above 7000 feet.  

* snow levels: near 6000 feet...then falling to the valley floors
  during the evening.

* winds: southwest 10 to 20 mph with gusts to 40 mph. sierra ridge
  gusts up to 85 mph this evening. 

* lake tahoe wave heights: 1 to 3 feet with highest waves from 
  mid lake to the north and east shores.

* impacts: snow and gusty winds will produce slick travel
  conditions and delays on major travel routes across the sierra
  and tahoe basin, especially through this evening.

precautionary/preparedness actions...

even light snowfall causes major travel delays, especially during
periods of high traffic volume. be sure to allow extra time to
reach your destination. leave extra space between vehicles since
it takes longer to stop on slick roadways.


wwus46 ksto 242138

western plumas county/lassen park-
west slope northern sierra nevada-
including the cities of chester, quincy, and blue canyon
238 pm pdt fri mar 24 2017

...winter storm warning remains in effect until 5 am pdt

* timing...snowfall continuing through saturday morning.

* snow amounts...additional 6 to 12 inches of accumulation above
  4500 feet through early morning saturday. storm total
  accumulations of 1 to 2 feet. 

* main impacts...chain controls and lengthy travel delays likely.
  poor visibilities due to heavy snow and blowing snow. 

precautionary/preparedness actions...

a winter storm warning for heavy snow means severe winter weather
conditions are expected or occurring.  significant amounts of
snow are forecast that will make travel dangerous. if you must
travel, keep an extra flashlight, food, and water in your vehicle
in case of an emergency.


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