Special Weather Statement
Issued by NWS Sacramento, CA

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WWUS86 KSTO 212218
SPSSTO

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
318 PM PDT MON APR 21 2014

CAZ013>019-063-064-066>069-221215-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
BURNEY BASIN / EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
CLEAR LAKE/SOUTHERN LAKE COUNTY-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-MOTHERLODE-
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
318 PM PDT MON APR 21 2014

...COOL PACIFIC STORM SYSTEM BRINGS WET WEATHER STARTING TONIGHT AND
A POTENTIALLY WETTER STORM LATE THIS WEEK...

* IMPACTS: A FEW INCHES OF SNOW IN THE MOUNTAINS ABOVE 6000 FEET
  THROUGH TUESDAY COULD IMPACT TRANS-SIERRA TRAVEL. SHOWERS
  ELSEWHERE COULD BRING LOCALLY HEAVY RAIN AND SLIPPERY ROADS.
  THUNDERSTORMS COULD BRING SMALL HAIL, AND GUSTY WINDS, SLOWING
  THE MORNING COMMUTE. A STRONGER STORM ARRIVES LATE THURSDAY,
  BRINGING THE POTENTIAL FOR MORE RAIN, THUNDERSTORMS AND MOUNTAIN
  SNOW AFFECTING TRAVEL INTO SATURDAY.

* CONFIDENCE: HIGH.

* TIMING: PRECIPITATION BEGINS IN THE COASTAL AND WESTERN SHASTA
  MOUNTAINS TONIGHT...SPREADING EAST AND SOUTH OVER ALL OF
  INTERIOR NORTHERN CALIFORNIA BY TUESDAY MORNING. HEAVIEST
  PRECIPITATION IS EXPECTED LATE TONIGHT INTO TUESDAY. BEST
  CHANCES OF THUNDERSTORMS ARE MID-DAY TUESDAY.

* SNOW LEVELS: SNOW LEVELS AROUND 7000 FEET TONIGHT LOWERING TO
  5000 FEET TUESDAY. LOCALLY LOWER LEVELS IN HEAVIER SHOWERS.

* SNOW ACCUMULATIONS: UP TO A FEW INCHES ABOVE 6000 FEET THROUGH
  TUESDAY EVENING. SNOW LEVELS 5000-6000 FEET LATE IN THE WEEK.

* RAINFALL AMOUNTS: AROUND A TENTH OF AN INCH IN THE CENTRAL
  VALLEY...LOCALLY HIGHER AMOUNTS POSSIBLE IN THUNDERSTORMS. A
  QUARTER TO A HALF INCH IN PORTIONS OF THE FOOTHILLS AND MOUNTAINS
  THROUGH TUESDAY NIGHT.

* THUNDERSTORMS: POSSIBLE AFTER MIDNIGHT TONIGHT THROUGH TUESDAY.
  STRONGER STORMS DURING THE DAY COULD CONTAIN SMALL HAIL AND
  LOCALLY HEAVY RAIN. THUNDERSTORMS COULD RETURN BY FRIDAY.

$$








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