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…
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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…