Updates
  • Out/pneumonia Pardon the interruption again, folks. John had been coughing more and more frequently lately. Difficult breathing yesterday resulted in an ambulance ride to the local…
  • May 8, 2024 report May 8, 2024 Summary  High pressure aloft is  located 500 miles off the northern California coast. Low pressure is centered over Wyoming and the Dakotas…
  • May 6, 2024 report May 6, 2024 Summary  An elongated trough of low pressure extends from the Gulf of Alaska to the Pacific Northwest while high pressure is setting…
  • May 4, 2024 report May 4, 2024 Summary  A low pressure center is off the coast of the Pacific Northwest this morning. This low will move southwestward into northern…
  • May 2, 2024 report May 2, 2024 Summary  upper level high pressure is upwelling ahead of a low pressure system located in the northeast Pacific. This will drive temperatures…

March 26, 2023 report

March 26, 2023 am California is essentially sandwiched between a cool trough of low pressure over the interior west and weak upper level high pressure off the California coast. This is maintaining a cool northwest flow aloft. Freezing levels overnight at both Vandenburg and Oakland were remaining quite low as each location reported that level…

March 25, afternoon report

March 25, 2023 pm Considering we’re pushing April, temperatures continue to be more February like. Noon observations around the valley indicate temperatures in the low to mid 50s, we remain on the eastern flank of upper level high pressure off shore, maintaining a cool, northwest flow over California. surface winds remain somewhat elevated along the…

March 25, 2023 report

  March 25, 2023 am With the exception of some low clouds along the southwestern foothills and along the valley facing slopes of the Tehachapi Mountains, skies are generally clear. We remain under a northwest flow around the periphery of high pressure off shore This keeps temperatures below average. Monday will be a transition day…

March 24, 2023

  March 24, 2023 pm Satellite imagery shows upslope clouds have developed in the south valley. Pressure is still lower over the Desert Southwest than they are off shore which is generating northwest winds gusting to 26 mph at Lemoore, 25 at Merced, are generally in the  10 to 20 mph category elsewhere. Weak upper…

March 24, 2023 report

March 24, 2023 am A much deserved few days of dry weather begins today and will continue through Monday as we now find ourselves on the western side of high pressure. This will maintain a northwest flow over California, keeping temperatures several degrees below average. A low pressure system  begins to show up  on models…

March 23, 2023 afternoon report

March 23, 2023 pm Daytime heading has spawned some light showers over the central and south valley this afternoon. These showers will diminish at sunset or shortly thereafter. Weak upper level high pressure will push in from the west and will govern the weather over central California through the weekend. A weak inside slider will…

March 23, 2023 report

  March 23, 2023 am Models show there is still just enough energy along the back side of an exiting trough of low pressure for scattered showers over the Sierra Nevada and possibly over the valley floor this afternoon. Otherwise, the trend will be towards drying as a weak ridge struggles in from the west.…

March 22, 2023 report

March 22, 20me 23 am Showers continue over mainly the northern half of the valley this morning. The center of circulation of the latest low pressure system is parked just west of San Francisco this and will move southeastward, accompanied by more showers through the evening hours. As the daytime heating process gets revved up…

March 19 2023 report

March 19, 2023 am Generally light rain is widespread throughout central California at this hour. This is the first of two weather systems that will affect the valley over the next 72 hours. Models show somewhat of a gap between these two systems Monday before the next weather system approaches the coast Tuesday morning. This…