Author: Trudy Hibler

June 28, 2022 We still have two more days of triple digit temperatures as strong upper level high pressure centers over southwest Utah this morning with a ridge building northward into the Rockies. The weak off shore flow of the past few days has turned onshore this morning, but not nearly strong enough to tug…

June 27, 2022 Strong upper level high pressure is centered over southern Nevada this morning. At the surface, pressure is higher over the interior west than off shore. The current altimeter reading at Salt Lake City was 30.21 inches of mercury while at the same time, the reading at San Francisco was 30.05. even though…

June 25, 2022 Upper level high pressure is centered just off the southern California coast this morning with a ridge extending northward into the Pacific Northwest. Another high center is over Oklahoma. The clockwise flow around that high is moving moisture northward into New Mexico and Arizona. The flow aloft over California is out of…

June 24, 2022 After the unsettled pattern of the last 48 hours, we now find ourselves heading into a pattern which is fairly typical of early to mid summer. The low responsible for the active weather of two days ago opened up into a trough and is now over Montana. Upper level high pressure centered…

June 23, 2022 The low pressure system which resulted in as much as .25 inch of rain in isolated locations yesterday has now moved into western Nevada. This system is weakening and is opening up into a trough. It will continue to pull off to the northeast. Upper level high pressure over Texas is expanding…

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…