NOAA Increases Snow Totals for Current California Storm:

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Huge chance of snow in California this week.
Huge chance of snow in California this week.

At 3:30pm today, NOAA increased their snow total forecast for the Sierra Nevada mountains of California for the storm that is currently impacting the Sierra

“With models projecting a wetter and slower system, it was necessary to RAISE snow totals across the region.” – NOAA Reno, NV today

6-12″ of snow is now forecast for Truckee, South Lake Tahoe, & Mammoth.  According to the map below, a huge swath of the Sierras, from Truckee to Mammoth, is forecast to see 12-24″ of snow (PINK) by Tuesday…

NOAA increased snow totals for California today at 3:30pm.
NOAA increased snow totals for California today at 3:30pm.

NOAA also:

The original Winter Weather Advisory on left and the new, expanded Winter Weather Advisory on the right.
The original Winter Weather Advisory on left and the new, expanded Winter Weather Advisory on the right.

Storm Update….

There has been a shift in expected snow accumulations for the system impacting the Sierra and Western Nevada tonight through Tuesday morning. With models projecting a wetter and slower system, it was necessary to RAISE snow totals across the region.

This image [image above] shows the expected accumulations. As a result of the higher totals, Winter Weather Advisories have been issued for the Surprise Valley and Northern Washoe County (Tonight through Monday morning), the Sierra from the Tahoe Basin south through Mono County and Sierra Front from Reno to Douglas County (Monday night through Tuesday morning).” – NOAA Reno, NV

Current radar image of the precipitation in California at 4:30pm.
Current radar image of the precipitation in California at 4:30pm.

UPDATED WINTER WEATHER ADVISORY for CALIFORNIA:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
147 PM PST SUN NOV 8 2015

...AREAS OF ACCUMULATING SNOW PRODUCING TRAVEL IMPACTS TONIGHT
AND AGAIN FOR MONDAY NIGHT...

.A VERY COLD EARLY SEASON WINTER STORM WILL MOVE INTO NORTHERN
CALIFORNIA THIS EVENING THEN SPREAD EAST AND SOUTH THROUGH MONDAY.
THIS STORM WILL PRODUCE PERIODS OF LIGHT TO MODERATE SNOW IN
NORTHEAST CALIFORNIA AND THE LAKE TAHOE AREA TONIGHT...THEN A COLD
FRONT ASSOCIATED WITH THE STORM WITH PUSH EAST AND SOUTH ACROSS
WESTERN NEVADA AND MONO COUNTY EARLY MONDAY. A BRIEF PERIOD OF
SNOW SHOWERS IS POSSIBLE WITH THE FRONT MONDAY MORNING....WHICH
COULD AFFECT THE MORNING COMMUTE EVEN IN THE LOWEST VALLEYS.

A SECONDARY AREA OF LOW PRESSURE WILL DROP SOUTH INTO THE SIERRA
AND WESTERN NEVADA MONDAY NIGHT INTO TUESDAY MORNING. THIS LOW
WILL PRODUCE MORE WIDESPREAD AND LONGER LIVED SNOW SHOWERS WITH
GREATER ACCUMULATIONS. THE MONDAY EVENING COMMUTE AND TUESDAY
MORNING COMMUTE SHOULD BOTH BE AFFECTED BY THIS SECOND PART OF THE
WINTER STORM.

INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM MONDAY TO 10 AM
PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER
ADVISORY...WHICH IS IN EFFECT FROM 6 PM MONDAY TO 10 AM PST
TUESDAY.

* TIMING: LIGHT TO MODERATE SNOW SHOWERS LATE MONDAY AFTERNOON
  WILL TRANSITION TO MODERATE TO HEAVY SNOW AFTER 6 PM WITH THE
  HEAVIEST SNOW BETWEEN 9 PM MONDAY AND 6 AM TUESDAY.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BELOW 7000 FEET WITH THE
  HIGHEST ACCUMULATIONS ALONG AND WEST OF HIGHWAY 395. ABOVE 7000
  FEET ACCUMULATIONS WITH REACH 6 TO 12 INCHES WITH THE HIGHEST
  TOTALS WEST OF HIGHWAY 395. LOCALLY HIGHER AMOUNTS ARE POSSIBLE
  ABOVE 8000 FEET.

* IMPACTS: TRAVEL IS LIKELY TO BE IMPACTED BY ICE AND SNOW
  COVERED ROADS STARTING EARLY MONDAY EVENING AND LASTING THROUGH
  TUESDAY MORNING. CHAIN CONTROLS ARE POSSIBLE MONDAY EVENING INTO
  TUESDAY.

 


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