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…

October 19, 2023 report

October 19, 2023 Summary   Strong upper level high pressure is almost directly above central California this morning. The warm bubble of subsiding air will drive temperatures into the low to mid 90s both today and Friday. The high has crushed the marine layer down to 500 feet. The air aloft is extraordinarily warm for this…

October 18, 2023 report

October 18, 2023 Summary   Upper level high pressure is rapidly building in from the eastern Pacific Ocean. A warm bubble of air is currently above central California. The balloon sounding above Oakland stands at 16,700 feet. The marine layer along the coast is almost nonexistent with a depth of just 500 feet at Monterey. All…

October 17, 2023 report

October 17, 2023 Summary   A weak wave of upper level high pressure is moving through. The only way to see this feature exists is that temperatures will drop back 2 to 4 degrees today. Just off shore, a rather strong ridge of high pressure will begin to push inland Wednesday. The center will be almost…

October 16, 2023 report

October 16, 2023 Summary   Upper level high pressure has shifted eastward into Arizona and Utah as a weak trough of low pressure makes its move on northern California. The trough will move through central California tonight and will be marked by partly cloudy skies. A dry cold front will move through the valley late this…

October 14, 2023 report

October 14, 2023 Summary   Essentially, we are under a zonal flow across the eastern Pacific and into north America. The storm track continues to be aimed at the Pacific Northwest. The high will build further north over the weekend, warming temperatures into the mid 80s each day with possibly some upper 80s here and there.…

October 13, 2023 report

Friday the 13th Summary   a weak ridge of upper level high pressure is currently moving through California. Surface pressure is marginally higher over Nevada than off the California coast.  The combination of these factors will result in a warming trend.. our current pattern is a progressive one. Weak areas of low pressure continue to move…

October 11, 2023 report

October 11, 2023 Summary   A trough of low pressure which yesterday moved through the Pacific Northwest and northern California has shifted into the Great Basin. Barometric pressure is considerably lower over Nevada than off shore California. The current altimeter reading at San Francisco  is at 29.86  inches of mercury while at Las Vegas the current…

October 10, 2023 report

October 10, 2023 Summary   Temperatures yesterday varied widely from north to south. High temperatures ranged from 73 at Merced to 92 at Bakersfield. Highs today will be more uniform with most locations topping out at near 80. Low pressure extends from a center off the British Columbia coast with a trough sinking into northern California.…

October 9, 2023 report

October 9, 2023 Summary   The ridge of  upper level high pressure which resulted in near record warmth over the weekend is breaking down as a trough of low pressure moves into northern California. The marine layer, which was just a few hundred feet thick over the weekend is now 2,800 feet deep and is surging…

October 7, 2023 report

October 7, 2023 Summary    In the short term, all systems are go for two more days of Indian summer. Widespread mid to upper 90s will be commonplace both today and Sunday before a significant cooling trend begins Monday. The marine layer along the coast remains very shallow. The latest sounding at Ford Ord indicated…