Category: Forecast

February 13, 2020 Summary: A warm bubble of subsiding air is over California today, which will be the warmest afternoon we’ll see for a while.  As of 1:00pm, readings were already approaching the 70 degree mark.  The high will be briefly interrupted Friday by a benign wave of low pressure in the upper atmosphere.  This…

February 13, 2020 Summary: Upper level high pressure is directly above California this morning with the downward motion of the atmosphere causing compressional heating.  This is resulting in very spring like conditions for this time of year.  Most locations will eclipse the 70 degree mark this afternoon.  Another weak wave of low pressure aloft will…

February 12, 2020 Summary: Temperatures have gained on the average of 3 degrees over 24 hours ago.  As of 1:00pm, many locations were already in the upper 60s, so low 70s should be pretty widespread this afternoon and again Thursday afternoon.  Currently, a large high covers the eastern Pacific and the western 1/3 of the…

February 12, 2020 Summary: The western U.S. is located on the eastern side of upper level high pressure off shore. Under the protective dome of high pressure, temperatures will warm to above average through the weekend with the warmest days being today and Thursday when the warmest locations may top the 70 degree mark.  A…

February 11, 2020 Summary: Low pressure continues to move through the Desert Southwest this afternoon while upper level high pressure builds eastward into California from the eastern Pacific.  Temperatures on the valley floor are 3 to 5 degrees warmer than 24 hours ago, except for Bakersfield which is 10 degrees warmer.  There are some locally…

February 11, 2020 Summary: The low pressure system that brought showers and thunderstorms to southern California yesterday, is moving east/northeast into extreme southeast Arizona.  Upper level high pressure over the eastern Pacific is slowly building inland over California.  The warming trend that began yesterday will continue through Thursday.  Most, if not all, locations will be…

February 10, 2020 Summary: Over the higher elevations of the Sierra Nevada, temperatures are anywhere from 10 to 20 degrees warmer than 24 hours ago.  On the valley floor north of Kern County, readings are 4 to 7 degrees warmer while in Kern County temperatures are roughly the same.   The upper low is now…

February 10, 2020 Summary: The center of a cold upper low is now just west of the northern Baja coastline.  Numerous showers are occurring, spreading over southern California, especially down in Imperial and San Diego Counties.  You definitely can tell where the pool of cold air is located as the freezing level has dropped to…

                 February 9, 2020 Summary: Doppler Radar is showing isolated small light showers along the Sierra Nevada and on little isolated shower in northwest Fresno County at this hour, but that’s it.  The center of circulation of the cold upper low is roughly over the Los Angeles Basin.  It’s moving south/southeast.  By sunrise Monday,…

February 9, 2020 Summary: Even though skies are mostly clear over much of the valley this morning, light showers have broken out along the Sierra Nevada in Fresno County and northern Tulare County.  As of 5:00am, the freezing level over Vandenberg AFB was 11,200 feet.  However, up at Oakland, the sounding indicated the freezing level…