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- 502 PM PDT TUE OCT 7 2008 ...BREEZY AND COOLER WEATHER IN STORE FOR THE END OF THE WEEK... A COOL FOR THE SEASON LOW PRESSURE SYSTEM DROPPING OUT OF WESTERN CANADA WILL BRING BREEZY AND MUCH COOLER WEATHER TO NORTHERN CALIFORNIA BY THE END OF THE WEEK. AS THIS LOW PRESSURE SYSTEM BEGINS ITS DROP SOUTHWARD ON THURSDAY...MOST AREAS SHOULD BEGIN TO SEE A SLIGHT COOLING TREND FROM THE NEAR SEASON NORMAL TEMPERATURES EXPERIENCED THE LAST COUPLE OF DAYS. THE MAIN SYSTEM IS FORECAST TO DROP INTO THE GREAT BASIN ON FRIDAY BRINGING SIGNIFICANTLY COOLER TEMPERATURES ON THE ORDER OF 15 TO 20 DEGREES COOLER THAN DURING THE EARLY PART OF THE WEEK. DAYTIME MAXIMUM TEMPERATURES IN THE SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS ARE ONLY EXPECTED TO CLIMB INTO THE LOWER 70S WITH MOUNTAIN TEMPERATURES ONLY MAKING IT INTO THE 40S AND LOWER 50S. OVERNIGHT LOWS WILL DROP INTO THE 40S IN THE CENTRAL VALLEY WITH LOWS IN THE 20S AND 30S IN THE MOUNTAINS WITH SOME TEENS POSSIBLE IN THE HIGHER MOUNTAIN VALLEYS. IN ADDITION TO THE COOLER TEMPERATURES...BREEZY TO GUSTY WINDS ARE EXPECTED TO BE GENERATED. NORTH WINDS OF 15 TO 25 MPH ARE EXPECTED IN THE SACRAMENTO VALLEY LATE THURSDAY THROUGH FRIDAY WITH WIND GUSTS UP TO 40 MPH POSSIBLE OVER THE HIGHER ELEVATIONS. ALTHOUGH SIGNIFICANT PRECIPITATION IS NOT EXPECTED WITH THIS SYSTEM...A LIGHT DUSTING OF SNOW WILL BE POSSIBLE OVER THE CREST OF THE SOUTHERN CASCADES AND NORTHERN SIERRA. A SLIGHT WARMING TREND AND LIGHTER NORTH WINDS ARE EXPECTED ON SUNDAY BUT BELOW NORMAL TEMPERATURES ARE EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE 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.
(10/7/2008 2:00 PM)
(10/7/2008 2:00 PM)
(10/7/2008 7:30 AM)