...LIGHT RAIN AND MOUNTAIN SNOW LIKELY FOR FRIDAY FOLLOWED BY GUSTY NORTHERLY WINDS... A PACIFIC FRONTAL SYSTEM WILL MOVE THROUGH NORTHERN CALIFORNIA ON FRIDAY BRINGING A GOOD CHANCE OF LIGHT RAIN TO THE VALLEY AND SNOW TO THE MOUNTAINS. PRECIPITATION IS EXPECTED TO BEGIN FRIDAY MORNING OVER AREAS NORTH OF INTERSTATE 80...SO MORNING HOLIDAY SHOPPERS COULD BE MET WITH SOME LIGHT RAINFALL. IN THE MOUNTAINS...SNOW LEVELS WITH THIS SYSTEM ARE EXPECTED TO LOWER TO AROUND 4000 FEET OVER THE MOUNTAINS OF SHASTA COUNTY...TO 4500 TO 5000 FEET OVER THE NORTHERN SIERRA NEVADA PASSES DURING THE DAY ON FRIDAY. LATEST FORECAST GUIDANCE SUGGESTS A RELATIVELY NARROW BAND OF 3 TO 7 INCHES OF SNOW MAY ACCUMULATE OVER PORTIONS OF THE SIERRA NEVADA FROM FRIDAY AFTERNOON TO EARLY SATURDAY MORNING. THE HEAVIEST ACCUMULATIONS ARE EXPECTED TO BE NORTH OF THE INTERSTATE 80 AND HIGHWAY 50 CORRIDOR. THE SYSTEM IS EXPECTED TO MOVE SOUTH OF THE AREA LATER FRIDAY NIGHT BUT SOME LIGHT SHOWERS MAY LINGER OVER THE NORTHERN SIERRA NEVADA ON SATURDAY. CLEARING SKIES AND GUSTY NORTH WINDS ARE EXPECTED FOR THE REMAINDER OF THE THANKSGIVING WEEKEND. WIND GUSTS TO AROUND 40 MPH ARE POSSIBLE OVER THE WEST SIDE OF THE SACRAMENTO VALLEY FRIDAY NIGHT AND SATURDAY MORNING WITH GUSTS IN EXCESS OF 40 TO 50 MPH OVER THE MOUNTAINS.
...LIGHT RAIN AND MOUNTAIN SNOW LIKELY FOR FRIDAY... A PACIFIC FRONTAL SYSTEM WILL APPROACH THE COAST TODAY BRINGING A VEIL OF HIGH CLOUDS TO THE AREA ALONG WITH COOLER TEMPERATURES...BUT ANY PRECIPITATION SHOULD REMAIN WEST OF INTERIOR NORTHERN CALIFORNIA. THE FRONTAL SYSTEM IS EXPECTED TO MOVE THROUGH NORTHERN CALIFORNIA LATER TONIGHT AND FRIDAY BRINGING A GOOD CHANCE OF LIGHT RAIN TO THE VALLEY ALONG WITH SNOW TO THE MOUNTAINS. LESS THAN A QUARTER INCH OF RAIN IS EXPECTED IN THE SACRAMENTO VALLEY DURING THE DAY ON FRIDAY WITH ONLY A SLIGHT CHANCE OF SIGNIFICANT RAINFALL FARTHER SOUTH OVER THE NORTHERN SAN JOAQUIN VALLEY. THE TIMING OF THE ONSET OF THIS PRECIPITATION IS CURRENTLY EARLY FRIDAY MORNING BEFORE SUNRISE SO EARLY MORNING SHOPPERS COULD BE MET WITH SOME LIGHT RAINFALL. IN THE MOUNTAINS...SNOW LEVELS WITH THIS SYSTEM ARE EXPECTED TO LOWER TO AROUND 4000 FEET OVER THE MOUNTAINS OF SHASTA COUNTY TO AROUND 5000 FEET OVER THE NORTHERN SIERRA NEVADA PASSES. A FEW INCHES OF SNOWFALL ARE EXPECTED BUT THERE COULD BE LOCALLY HIGHER AMOUNTS LEADING TO POSSIBLE TRAVEL IMPACTS ACROSS I-80 AND HIGHWAY 50 FRIDAY AFTERNOON AND EVENING. THE SYSTEM IS EXPECTED TO MOVE SOUTHEAST OF THE AREA LATER FRIDAY NIGHT BUT SOME LIGHT SHOWERS MAY LINGER OVER THE NORTHERN SIERRA NEVADA INTO SATURDAY MORNING. CLEARING SKIES AND BREEZY NORTH WINDS ARE EXPECTED FOR THE REMAINDER OF THE THANKSGIVING WEEKEND.Note: In order to comply with National Weather Service safety tests, occasionally this product will display test alerts, which are normally conducted during calm, quiet weather.
(11/26/2009 2:35 PM)
(11/26/2009 2:35 PM)
(11/6/2009 5:30 AM)