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…

February 18, 2019/report

February 18, 2019 Summary:  This morning, Mother Nature has thrown us a little curve ball in the form of a weak upper air disturbance caught up in the current northerly flow aloft.  Snow flakes have reached the ground on the valley floor in various locations.  As of the time of this writing, most of the…

February 17, 2019/pm report

February 17, 2019 Summary: The freezing level over Oakland earlier this morning was 3,700 feet while at Vandenberg it was 3,800 feet.  Temperatures on the valley floor, as of 1:00pm were unusually cold, ranging from 44 at Visalia to 50 at Bakersfield.  Dew points were still in the lower 40s which is a little higher…

February 17, 2019/pm report

February 17, 2019 Summary:  The last in this latest series of arctic systems is currently spreading showers down the valley.  The latest observation at Mariposa and Oakhurst was a temperature of 32 degrees, so snow levels are probably down to 1,500 to 1,800 feet or so and perhaps 2,000 to 3,000 feet over the Kern…

February 16, 2019/pm report

February 16, 2019 Summary: The latest batch of mostly light showers is working its way down the eastern San Joaquin Valley in Fresno County and will move swiftly southward down the rest of the valley over the next few hours.  A brief thunderstorm pulsed up over Merced County but dissipated quickly as it moved into…

February 16 2019/report

February 16, 2019 Summary:  The latest burst of showers is moving down the valley at this hour.  As of the time of this writing, a batch of showers was just moving into Tulare County and will continue to track down the east side of the valley over the next couple of hours.  A broad trough…

February 15, 2019/pm report

February 15, 2019 Summary: Right on cue, a line of thunderstorms has developed in Fresno County.  In fact, it just went through the city of Fresno within the past hour.  Isolated thunderstorms will continue to be possible into the evening hours.  Low pressure is now over northern California with a cold northwest flow swinging into…

February 15, 2019/report

February 15, 2019 Summary:  One of the amazing facts about the tremendous atmospheric river event of the past 48 hours is not only the floods in northern and southern California, but the tremendous rain shadow in the San Joaquin Valley.  I really credit one forecast model that predicted this, calling for no more than .25…

February 14, 2019/pm report

February 14, 2019 Summary: It is turning out to be a wild afternoon in central California.  The atmospheric river of air which has resulted in 3 to 6 inches of rain over the higher elevations of the Sierra Nevada has now moved southeast of our region.  We are now in the conflict zone between colder…

February 13, 2019/pm report

February 13, 2019 Summary: Remember the past couple of days when freezing levels were between 3,000 and 4,000 feet?  The latest freezing level over Oakland is now 10,900 feet and 11,200 feet over Vandenberg.  To find the cold air, we go to Medford, Oregon where the freezing level is 3,200 feet.   So far, models…