Category: Forecast

June 22, 2022 A weak upper low is located just off the central coast this morning. High resolution short range models have done an excellent job in depicting a tap of moisture moving from southeast to northwest along the eastern side of the low and into central California this morning. Thunderstorms began to flare up…

Occasionally, a weak upper low will develop along the central or southern California coast. Such is the case this morning as a weak upper low is just off the central coast. If it weren’t for water vapor satellite imagery, you would never even know this feature is there. Typically, these features simply move across California…

June 18, 2022   We will be out of the office today, Monday June 20 and also Wednesday, June 22.  We apologize for any inconvenience.    John and Trudy

June 18, 2022 It’s not very often on June 18 that you can talk about chilly weather. West Porterville dropped to 43 last night while most other ag locations were in the mid 40s to the lower 50s. I’ll bet there’s a bunch of chilly campers this morning. Shaver Lake and Lodgepole dropped to 30…

June 17, 2022 At the surface, a low pressure system is located just north of Yosemite at this hour. A cold front straddles the Sierra Nevada to another low center located over the Channel Islands. Behind the front are mid and high level clouds which are streaming in from the southwest. In the meantime, at…

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…