National Weather Service Forecast Office
Reno, NV

PUBLIC INFORMATION STATEMENT

NOUS45 KREV 012219
PNSREV

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE RENO NV
230 PM PST TUE JAN 01 2008

A SERIES OF STORMS ARE FORECAST TO MOVE INTO THE SIERRA THURSDAY THROUGH SUNDAY WITH THE STRONGEST STORM FRIDAY AFTERNOON INTO EARLY SATURDAY. THE STORM ON FRIDAY INTO SATURDAY WILL HAVE A MAJOR IMPACT ON TRAVEL IN THE SIERRA AND ACROSS SIERRA PASSES.

RESEARCH DONE ON HEAVY SNOWFALL IN THE SIERRA HAS IDENTIFIED THE MOST SIGNIFICANT SNOWSTORMS OVER THE LAST 50 YEARS. LISTED BELOW ARE THE TOP FIFTEEN SNOWSTORMS THAT DEPOSITED THE LARGEST SNOWFALL AMOUNTS IN THE SIERRA DURING THE PAST HALF CENTURY.

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GREATEST SIERRA SNOWSTORMS (1949-50 THROUGH 2004-2005) WITH STORM TOTAL SNOWFALL AMOUNTS (INCHES) AT VARIOUS LOCATIONS 


Can - canyon dam (plumas county)
boc - Boca (nevada county)
css - central Sierra snow lab (nevada-Placer county)
tah - Tahoe City (placer county)
grg - Grant Grove (tulare county)


                                    CAN    BOC    CSS    TAH    GRG
  1.  JAN. 10-17, 1952             108.0   68.0  141.0  149.0   68.0
  2.  MAR. 28-APR. 1, 1982          26.0   47.0  125.5   59.0   63.0
  3.  MAR. 29-APR. 4, 1958          46.5   48.0    MM    98.5   69.0
  4.  DEC. 28, 1992-JAN. 2, 1993    74.0   47.0   76.6   57.5    MM
  5.  MAR. 21-24, 1995              32.0   26.0  100.6   74.0   59.0
  6.  MAR. 10-14, 1967              60.0   59.0   74.8   92.0   38.5
  7.  JAN. 31-FEB. 4, 1975          62.0   38.0   65.0   42.0   25.0
  8.  DEC. 27-31, 1964              46.0   42.0   87.2   77.0   26.0
  9.  FEB. 23-26, 1969              35.0   28.0   74.0   37.0   63.0
 10.  JAN. 27-30, 1981              24.0   24.0   72.0   40.0   48.0
 11.  DEC. 21-23, 1996              23.0   65.0   53.6   73.0   25.0
 12.  DEC. 29, 2004-JAN. 2, 2005    48.0   49.5   89.7   64.0    MM
 13.  FEB. 9-12, 1959               43.0   31.0    MM    43.0   64.0
 14.  FEB. 16-18, 1990              30.0   49.0   73.0   46.0   24.0
 15.  JAN. 20-23, 1997              34.0   18.0   73.4   44.0   35.0
MM - MISSING DATA

O`HARA/JAH
Source: Public Information Statement, Mon. Dec. 31 2007, from the National Weather Service Reno Weather Forecast Office.