Category: Forecast

Thanksgiving 2020 A colder, drier air mass has now swept into the valley.  A few locations this morning have dipped into the upper 20s with most locations in the low to mid 30s.  This is just a hint of things to come.  The freezing level above Oakland 24 hours ago was 11,100 feet.  The latest…

Summary: Even though temperatures are not reflecting a cooler air mass invading central California, they will with time.  To our north, winds at Stockton are out of the north, gusting to 29, Modesto has gusts to 24, Merced has sustained winds out of the northwest at 17, while along the west side, Lemoore was reporting…

A dry cold front is currently moving through northern California followed by an upper trough of low pressure over the Pacific Northwest.  The front will move quickly through central California this afternoon.  As it does, winds will pick up out of the northwest, especially along the west side of the valley where local gusts to…

Summary: Temperatures out there underneath all that wall to wall sunshine are in the lower 60s as of 1:30 this afternoon.  Dew points are actually a little lower, possibly because of a weak off shore flow underway.  A trough of low pressure will move through the Pacific Northwest tonight and Wednesday morning then will morph…

November 24, 2020 Yet another chilly morning in the valley.  Clear skies allowed good radiational cooling, allowing almost all locations to dip into the 30s with a spattering of low 30s north of Kern County.   The trough of low pressure that was moving through yesterday has now moved into the interior west.  A progressive…

Summary: The trough of low pressure which was moving through this morning has now moved into Nevada.  Winds have picked up marginally this afternoon north of roughly a Visalia/Hanford line.  As of 2:00pm, winds at Hanford, Fresno, and Merced were sustained at 10 MPH.  not overly impressive, but it does illustrate a marginally cooler air…

A weak trough of low pressure is moving through California this morning.  the Sierra Nevada is creating enough lift to squeeze out some light snow showers over the southern Sierra Nevada.  Currently, Doppler Radar is depicting some snow showers as far south as the Fresno/Tulare County line.   The trough will move into the Great…

November 22, 2020 Both surface observation and infrared satellite imagery indicate there’s a considerable amount of fog, especially up the 99 corridor from southern Tulare County up through Merced County.  Visalia, Hanford, and Merced each reported a visibility of less than ¼ mile while Fresno and Madera are reporting 2 ½ miles and 4 miles…

November 21, 2020 Summary: Bands of mid and high level clouds will continue to stream over central California from a weakening low off the central coast.  This system will be kicked inland by a trough of low pressure extending from the Gulf of Alaska to the  central coast by Monday morning.  by Tuesday, a progressive…

Summary: infrared satellite imagery, the broad band type that picks up low level clouds and fog, indicates there is a great deal of fog up the center of the valley from extreme northern Kern County through Merced County.  The low sun angle and very short days of the late fall season mean some areas will…