Author: Trudy Hibler

September 9, 2017 Summary:  Heavy thunderstorms are pounding portions of San Bernardino and Riverside Counties this afternoon as  monsoonal moisture continues to be injected into the region.  In the meantime, we have a cut off low off the central coast which is drifting southward and has already turned the winds aloft to out of the…

September 9, 2017 Summary:  The next 72 hours will be a bit tricky.  Currently, we have an upper low which is just west of Monterey this morning with plenty of monsoonal moisture working northward from southern California into Nevada.  Models show this feature drifting southward parallel to the California coast to a position off the…

September 8, 2017 Summary:  We have a definite rain threat on our hands for late Saturday night through Monday.  Forecast models did a good job in showing the formation of a cut off low just off the coast of Monterey.  Currently, there’s no active weather associated with this low, however that will change, especially during…

September 7, 2017 Summary:  That upper low which has been off the coast of San Francisco the past few days is finally moving eastward.  Projections are that it will move through northern California today.  Already there is some thunderstorm activity over the northern Sacramento Valley.  We may see some cloudiness at times, especially over the…

September 6, 2017 Summary:  Monsoonal moisture continues to move in from the southeast via southern California.  Most of the latest batch of the monsoon is moving up the east side of the Sierra Nevada with mid level clouds over portions of the San Joaquin Valley.  The same upper level low we’ve been talking about for…

September 5, 2017 Summary:  The remains of Lidia are no more than a low pressure system off the central coast.  This low is farther out to sea and is moving to the west, ending the chance of rain for the San Joaquin Valley.  This low is forecast to move northward and eventually move through northern…

September 4, 2017 Summary:  Thunderstorms developed yesterday over the Sierra Nevada and the Tehachapi Mountains.  The southeast flow aloft allowed some of these storms to make it out over the valley floor.  There were locally heavy rains and strong, gusty winds, especially in Kern and Tulare Counties.  This will be possible again this afternoon, assuming…

September 3, 2017 Summary:  Blistering heat continued Saturday with Bakersfield reaching 111 and most other locations between 105 and 110.  Temperatures will marginally lower today but will still be very hot.  The main feature we’re monitoring closely is the remains of former Tropical Storm Lidia.  Currently, there are two main areas of precipitation.  One is…

A sunday report will be issued.  September 2, 2017 Summary:  Temperatures along the California coast yesterday were bizarre.  San Francisco recorded an all time record of 106.  Down the coast at Monterey the temperature was 101.  There are many other record highs to our west with just plain hot weather in the valley.   We…

September 1, 2017 Summary:  Yet another area of monsoonal moisture and debris clouds from yesterday’s thunderstorms over the Sierra Nevada are resulting in partly cloudy conditions in some areas.  This is going to be an interesting several days up ahead as, short term, we have strong, upper level high pressure building into the Pacific Northwest…