Category: Forecast

April 24, 2020 Summary: Relatively strong upper level high pressure remains over the eastern Pacific.  The high will marginally shift further east during the next 24 hours with high pressure aloft reaching its pinnacle Saturday.  this will allow many locations on the valley floor to reach the 90 degree mark for the first time this…

April 23, 2020 Summary:The record high temperature for Fresno on this date is 100 which is the earliest triple digit date on record.  There are no triple digits in the immediate forecast, but definitely a prolonged period of warm weather.  It’s possible that by the middle of next week warmest locations could reach into the…

April 22, 2020 Summary A warm bubble of subsiding air is now pressing eastward over California via upper level high pressure aloft.  The freezing level has now jumped up to nearly 13,000 feet.  Mountain weather stations are significantly warmer this morning.  Blue Canyon at 5,600 feet is 7 degrees warmer than 24 hours ago while Sandburg…

April 21, 2020 Summary: Skies have cleared over  most of the valley this morning.  the exception is Kern County where upslope clouds are banking up against the north facing slopes of the Kern County mountains.  These clouds will dissipate during the mid to late morning hours as drier air moves in on a northwesterly flow…

April 20, 2020 Summary: A rather fragmented looking trough of weak low pressure is beginning to move on shore along the northern and central California coast.  Doppler radar is indicating scattered showers over the Coast Range which will be moving in from the west into the west side of the valley over the next few…

April 19, 2020 Summary: Upper level high pressure stretches from the eastern Pacific northward to the waters off British Columbia.  A weak trough of low pressure will push through the high and will move through central California Monday afternoon and night.  models are now indicating the system will move through as more of a long…

   April 18, 2020 Summary: The only real active portion of this storm as of the time of this writing is over the southern San Joaquin Valley and adjacent foothills where light showers are rapidly moving southeastward.  The shower activity in all areas will come to an end by midmorning. The low is now moving…

April 17, 2020 Summary: By far the dominant pattern this rainfall season has been for Pacific storms to roll southward off the California coast then inland through southern California or northern Baja.  In many cases, northern California currently has just 50% of average while southern California, in some cases, is 150% of average.  The latest…

April 16, 2020 Summary: A compact low pressure system is moving steadily southward off the northern California coast.  To our east, a trough of low pressure is quickly moving southward through the Rocky Mountains and the Great Basin.  As the off shore low moves southward off the central coast this afternoon, it will combine with…

April 15, 2020 Summary: Currently, upper level high pressure covers the eastern Pacific with a ridge extending northward into the Gulf of Alaska.  The freezing level this  morning over Vandenberg AFB is 11,200 feet which indicates that warm bubble of subsiding air over us.  Temperatures this afternoon and again Thursday afternoon will finally eclipse the…