Author: Trudy Hibler

June 16, 2022 There are two main players governing the weather over most of the lower 48. The first is a high center over southern Missouri which dominates the pattern from the southeast US to southern California. This has created a heat belt essentially from coast to coast. The second feature is a low developing…

June 15, 2022 A weak ridge of upper level high pressure is currently moving on shore. Noticeably warmer weather will be apparent through Thursday as readings move into the mid to upper 90s. winds through Travis AFB in the Delta and through Pacheco Pass are light at this hour, indicating no marine air will affect…

June 14, 2022 The upper trough of low pressure which yesterday was moving through the Pacific Northwest and northern California has shifted eastward and is now over the Rocky Mountain region. At the surface, pressures have generally equalized between the coast and the interior, ending the gusty winds. This also means the strong flow of…

June 13, 2022 The coming week will be characterized by significant swings in temperatures from  day to day. In the short term, much cooler temperatures have already arrived as readings this morning are anywhere from 6 to 12 degrees cooler than 24 hours ago. Gusty northwesterly winds are blowing down the valley, generally in the…

  June 11, 2022 Picture a dome of hot air piled over the valley floor. Picture it also descending downward toward the earth, heating by compression and resulting in a heat wave. Most locations yesterday soared to between 100 and 105 with similar conditions expected today. Already, however, there are signs of a cooling trend…

June 10, 2022 A zone of upper level high pressure stretches from one center well off shore to another directly over California to yet a third high center over the Four Corners region. This will result in very hot weather this weekend although a bit of moderation will occur Sunday as a trough of low…

June 9, 2022 Upper level high pressure off the California coast will slowly link up with another high over the southern Plains, essentially developing a heat belt from Texas to California. Hot weather will begin today with readings over the century mark Friday through Sunday. I noted the temperature at 6:00am at Sandberg was 62…

June 8, 2022 low pressure just off the British Columbia coast is actually retrograding, meaning it’s moving northwestward into the Gulf of Alaska. This is allowing high pressure currently over the Desert Southwest to link up with another high off the southern California coast. This high is actually expanding northward now into the Pacific Northwest.…

June 7, 2022 The flow of modified marine air has ceased from moving down the valley as upper level high pressure slowly increases above California. Blended model information keeps the high at pretty much status quo through Wednesday with readings moving into the mid to upper 90s. The high will begin to expand further north…

  June 6, 2022 There is still a fairly steep pressure gradient between the coast and the interior west. The current altimeter reading at San Francisco is at 30.00 inches of mercury while at Las Vegas the reading is at 29.71. As a result, a fairly stiff northwesterly breeze is blowing down the valley. The…