Category: Forecast

September 9, 2020 Summary:  A rather vigorous low pressure system is located  near the Utah/Arizona border.  In part, this system has created a strong off shore flow.  Even though the off shore winds are not affecting the valley, much drier air is settling in.  dew points are anywhere from 7 to 13 degrees lower  than…

  September 8, 2020 Summary:  Believe it or not, snow is flying over much of the states of Colorado and Wyoming this morning as a vigorous cold low drops southward from western Canada into Idaho.  This low will slide southward into Utah and Arizona Wednesday.  as hot as it was yesterday, believe it or not…

September 7, 2020 We will be out of the office today, Labor Day, September 7, 2020.  Reports will resume Tuesday, September 8.   John and Trudy

September 5, 2020 Summary:  It’s possible we could see the hottest day of the year during the first week of September.  More specifically, Sunday and possibly Monday.  All systems are go for a blistering heat wave today through Monday. The marine layer, which was hovering around 2,000 feet, has now peeled back to 800 feet. …

September 4, 2020 Summary:  This will be the last day of acceptable temperatures on the valley floor for a while.  As we head into the scorching hot Labor Day weekend, upper level high pressure is building over the western states with its current center over southern Utah.  Models show the center of circulation shifting further…

September 2, 2020 Summary:  The marine layer this morning is 2,400 feet deep, according to the latest sounding at the naval installation at Fort Ord.  there is modified marine air moving down the valley and there will be enough for near average temperatures again today.  Currently, winds at Travis Air Force Base in the Delta…

September 1, 2020 Summary:  The marine layer along the coast allowed temperatures from Merced County north to remain in the mid 90s yesterday.  The depth of the marine layer at Fort Ord is now roughly 2,000 feet.  However, there is no strong push of sea breeze into the valley at this hour.  Winds at Travis…

August 31, 2020 Summary:  As we wrap up August and  move into September, very little change can be expected through midweek with marginally above average temperatures, smoky conditions.  The current pattern shows a large high off the coast of the Pacific Northwest with a trough of low pressure extending from western Canada into the northern…

August 29, 2020 Summary:  The weather pattern for the next week or so will be exceedingly boring.  The very hot summer of 2020 will continue.  We are now at the end of August and average temperatures have fallen into the mid 90s.  most locations will range about 5 to 7 degrees above average for the…

August 28, 2020 Summary:  The shallow intrusion of marine air into the valley yesterday has come to a close.  Even though the marine layer still stands at roughly 1,900 feet, winds at Travis Air Force Base are out of the southwest at just 13 MPH.   Upper level high pressure remains over the Desert Southwest…