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…

May 24, 2023 report

May 24, 2023 am Summary:  There was a wide variety of high temperatures yesterday afternoon as a strong push of modified marine air moved down the valley. Los Banos had a high of just 72, Merced 80 while Lemoore was the hot spot at 92. Readings this morning are anywhere from 7 to 11 degrees…

May 23, 2023 report

May 23, 2023 am Summary:  The beginning of a noticeable cooling trend will start today, especially in the central and northern portions of the valley. Infrared satellite imagery shows coastal low clouds penetrating through the Delta while winds at Travis AFB in the Delta are out of the southwest sustained at 20 mph, gusting to…

May 22, 2023 report

May 22, 2023 am Summary:  upper level high pressure remains over California. It extends westward well off shore and eastward into the Rocky Mountain region. The only inclement weather along the west coast is over Washington state which is dealing with a weak area of low pressure. That low will slowly develop a trough down…

May 20, 2023 report

May 20, 2023 am Summary:  Upper level high pressure is anchored right above central California this morning. There is a weak upper air feature over southern California which has caused mid and high level clouds to develop over that region. Some of these clouds have drifted as far north as the south valley, but pose…

May 19 2023 report

May 19, 2023 am Summary:  We continue to be under a very mundane weather pattern where any day to day change will be minor. Upper level high pressure continues to blanket the western half of the US and off shore. The air aloft remains quite warm for this early in the season. The balloon sounding…

March 18, 2023 report

May 18, 2023 am Summary:  A blanket of upper level high pressure and its blanket of warm subsiding air continue to cover most of the western US and off shore. Highs of 99 were recorded yesterday afternoon at both Hanford and Lemoore for the hot spots in the valley with most other locations between 95…

May 17, 2023 report

May 17, 2023 am Summary: .Any changes in the overall pattern over the next week to ten days will be subtle. A blanket of high pressure aloft continues to cover the eastern Pacific and the western half of the lower 48 with a ridge poking northward into western Canada. At the surface, the marine layer…

May 15, 2023 report

May 15, 2023 am Summary: a broad expanse of upper level high pressure covers the eastern Pacific Ocean, the western half of the US with a ridge extending into western Canada. The only exception is a weak upper air feature over the Pacific Northwest. As a result, temperatures have soared with most locations ranging in…

May 12, 2023 report

May 12, 2023 am Summary: Temperatures at all levels of the atmosphere have warmed significantly. Sandburg at an elevation of 4,100 feet is 8  degrees warmer than yesterday at this time, Blue Canyon 5 warmer, and most locations on the valley floor are 3 to 7 degrees warmer. Strong upper level high pressure now stretches…

May 11,2023 report

May 11, 2023 am Summary: We find ourselves on the eastern rim of upper level high pressure located just off shore. This will result in a significant warming trend over the next 72 hours. The freezing level taken over Vandenburg overnight was 10,300 feet, which was roughly a 3,000 foot rise over the past 24…