Category: Forecast

October 16, 2018 Summary:  The low pressure system which yesterday was moving southerly through the Great Basin is now centered over western Arizona.  This has relaxed the off shore flow but by no means has ended the general pattern of winds blowing from the land towards the sea.  A ridge of high pressure is just…

October 15, 2018 Summary:  High pressure aloft covers the eastern Pacific Ocean just off shore with a ridge extending northeastward into British Columbia and the Pacific Northwest.  This is creating a strong northeasterly flow aloft.  A weak low is currently moving southward through the Great Basin and is enhancing the off shore flow at the…

October 13, 2018 Summary:  A weak upper low is centered just to the west of Santa Barbara this morning.  This interesting little feature has dragged up tropical moisture along its eastern flank.  It then shoots it westward through the high desert.  Eventually it’s making its way into the LA basIn.  Doppler radar is showing locally…

October 12, 2018 Summary:  A rather interesting pattern has developed over the past 24 hours.  A very weak upper low which yesterday at this time was moving into northern California is now stalling just off the central coast.  This low, with the exception of satellite imagery, is pretty much invisible.  However, I have been watching…

October 11, 2018 Summary:  Skies are generally clear throughout central California this afternoon in spite of a weak wave of low pressure which is currently moving through.  This little wave will be an interesting feature through Friday night as it almost cuts off and begins to pick up tropical moisture from tropical storm Sergio which…

Due to a medical appointment, Thursday’s report will be issued in the afternoon. John

October 10, 2018 Summary:  Our weather is tranquil compared to the utter devastation that will occur in the coming hours along the Florida panhandle with the landfall of Hurricane Michael which has maximum sustained winds of 145 MPH with stronger gusts.  In the meantime, out west here, the pattern remains quite pleasant as October typically…

October 9, 2018 Summary:  An extensive trough of low pressure  covers the western United States with the main core of the trough over the Rocky Mountain region.  In the meantime, a large upper high continues to dominate the central and eastern Pacific Ocean with California just to the east of the main influence of this…

October 8, 2018 Summary:  A strong trough of low pressure encompasses the entire western U.S. with the main center moving into the Four Corners region. A mammoth high covers the central and eastern Pacific Ocean, putting California in a squeeze play between these two systems with a dry north to south flow aloft.  Temperatures near…

October 6, 2018 Summary:  A broad trough of low pressure is now becoming well established over western North America as a gigantic high at the upper levels of the atmosphere covers the central and eastern Pacific Ocean.  California is on the far western side of this trough with a rather robust north/northwest flow aloft. Periodically,…