Author: Trudy Hibler

November 3, 2022 The current storm system stretches as a trough of low pressure from Montana to southern California. There are lingering showers over the Kern County mountains and the Sierra Nevada. Doppler radar now indicates the valley is free of showers. The air mass now invading central California is cold. the freezing level is…

November 2, 2022 The second phase of the current storm is well underway. An area of light showers has developed over mainly Santa Clara and San Benito Counties and is moving into Merced and Stanislaus Counties. This impulse is rotating through a cold trough of low pressure currently over California. It will affect most of…

November 2, 2022 Amounts of precipitation yesterday were fairly light, but it’s a start. Most locations ranged from .10 to .25. The important thing is that it did actually rain. The trough of low pressure is still overhead and will continue to be through tonight. With a little luck, a second impulse will move through…

November 1, 2022 As of midday, a cold front was stretched from the northern Sierra Nevada southwestward to just west of Monterey. Locally moderate to heavy rain is occurring in a band of moisture roughly 75 miles wide. This has spread into the Stockton/Modesto area and just west of Merced County. Rain will advance steadily…

A considerable amount of mid and high level clouds is blocking the sunshine this afternoon, lowering temperatures between roughly 1 and 4 degrees from yesterday at this time. These clouds are not ahead of the upcoming rain event, but rather a benign, dry disturbance running from west to east across central California.   Now we…

The last day in October is also the last day of this weather pattern which has resulted in such beautiful fall weather. A developing low in the Gulf of Alaska will slide southward west of British Columbia by later tonight, building a trough of cold low pressure all the way down the California coast. It…

October 29, 2022 Today is the last day of the pattern that has resulted in perfect weather. The back side of that ridge of high pressure is still overhead but is beginning to break down over the Pacific Northwest. Models still show a deep trough of low pressure digging southeastward out of the Gulf of…

October 28, 2022 In the short term, a ridge of upper level high pressure will dominate our pattern through the weekend. A weak upper air disturbance off shore will throw some mid and high level clouds overhead tonight and Saturday with no active weather for us. Temperatures will warm to very comfortable levels as widespread…

October 27, 2022 Temperatures on the valley floor are running roughly 2 to 4 degrees cooler than yesterday. Afternoon highs, however, will actually be a tad higher than yesterday due to a ridge of upper level high pressure which is building in from the eastern Pacific. Most locations both today and Friday will run in…

October 26, 2022 A weak weather system moved through the Pacific Northwest overnight and is now diving southeastward into the Great Basin. This will increase the difference in pressure between the northern California coast and the Great Basin, causing temperatures to drop anywhere from 4 to 7 degrees from yesterday’s reading. Some increase in winds…