Category: Forecast

December 3, 2017 Summary: A cold low pressure system is located over northeast California and is moving rapidly eastward.  The associated cold front moved through the valley during the predawn hours and is already moving into southern California.  Clearing is taking place down to about Merced as drier air surges in from the north.  Some…

December 2, 2017 Summary: You can certainly tell where the pool of cold air is this afternoon.  The freezing level over Medford, Oregon has plummeted to 2,600 feet while in our neck of the woods, VAFB reported a freezing level of 12,600 feet.  The center of the cold low is now just west of Portland,…

December 2, 2017 Summary: Areas of dense fog have again developed from north of Delano to north of Merced.  Most of it is concentrated in eastern Kings County, western Tulare County, and parts of Fresno County.  High, thin clouds are also spreading into central California ahead of a cold low which is now centered off…

December 1, 2017 Summary: Yet another carbon copy afternoon as temperatures wind up in the low to mid 60s.  Dew points are slightly higher and range mostly in the mid 40s.  there are some high, thin clouds moving over the valley and they will continue to do so tonight, but my feeling is they will…

December 1, 2017 Summary: Yet another finger of fog stretches up the center of the valley from roughly Delano to Merced.  Outside of the foggy areas, skies are again generally clear with overnight lows once again well down into the 30s.  the overall weather picture indicates upper level high pressure remains temporarily over the eastern…

November 30, 2017 Summary: In the short term, central California remains between essentially two jet streams.  The first is moving into Oregon while the southern branch is moving southwest to northeast into northern Baja and southern California.  This leaves central California relatively cloud free, although some high clouds may begin to show up over the…

November 30, 2017 Summary: There is a fairly narrow ribbon of fog stretching up the center of the valley from roughly just north of Delano to Merced.  The latest observations indicated the visibility at Visalia was ¾ of a mile, ½ mile at Hanford, and ¼ of a mile at Merced.  Elsewhere, the visibility was…

November 29, 2017 Summary: The high clouds that were over the south valley this morning have moved into southern California, revealing mostly clear skies over the entire valley this afternoon.  Temperatures are again warming into the lower 60s with dew points in the low to mid 40s.  So, very little has changed over the past…

November 29, 2017 Summary: Temperatures are running 2 to 3 degrees warmer at most locations than they were 24 hours ago.  This is due to a very weak trough passage which is being accompanied by high clouds, but little else.  Behind this little trough, upper level high pressure will again fill in from the west. …

November 28, 2017 Summary: Temperatures this afternoon are moving into the lower 60s.  Dew points are in the low to mid 40s so with mostly clear skies, temperatures again tonight will dip into the 30s.  Upper  level high pressure is centered just off the California coast and extends inland into the interior west with a…