Author: Trudy Hibler

January 30, 2018 Summary:  There are areas of dense fog out there this morning, mainly north of Kern County and up the center of the valley.  At last report, both Visalia and Hanford were down to ¼ mile visibility.  There is also a great deal of mid and high level clouds overhead, however satellite imagery…

  January 29, 2018 Summary:  There is abundant sunshine over central California this afternoon, but it is a bit filtered from high, thin clouds overrunning the high ahead of a frontal system just now entering the Pacific Northwest.  Even though we will see a good amount of high clouds, especially tonight and Tuesday morning, generally…

January 29, 2018 Summary:  Considerable high clouds are streaming overhead from the west/northwest well ahead of a cold front.  That cold front extends from a low pressure system way up in the Gulf of Alaska.  This front will move southeastward into northern California tonight and early Tuesday and then will be eaten alive by upper…

  January 28, 2018 Summary:  Most of the fog this morning is up in western Merced County with some pockets of fog down into western Fresno County.  Just patchy fog is found elsewhere.  Otherwise, skies are mostly clear.   The high at the upper levels of the atmosphere is now pretty much overhead.  This has…

January 27, 2018 Summary:  The air mass is now very stable as that big upper high off shore has now moved on shore with much warmer air aloft now in place.  This will continue to build a warm air inversion above the valley floor.  This will be favorable for increasing amounts of night and morning…

January 27, 2018 Summary:  The beginning of a long period of dry weather is at hand as upper level high pressure off shore slowly builds in from the eastern Pacific.  The freezing level 36 hours ago was 4,900 feet.  The overnight sounding at VAFB placed the freezing level at 10,600 feet.  That illustrates very well…

January 26, 2018 Summary:  The current air mass is still on the cold side.  The freezing level taken earlier today above Vandenberg was only at 4,900 feet.  On the valley floor, temperatures at  1:00pm were averaging in the mid 50s with dew points generally in the upper 30s.  upper level high pressure is slowly nudging…

January 26, 2018 Summary:  The only vestiges of the upslope clouds in Kern County are right against the Tehachapi Mountains and are limited to just a few patches here and there.  The remainder of the valley is relatiavely clear with a few patches of fog.  Yesterday’s weather system has long since moved on, leaving central…

January 25, 2018 Summary:  There is a wide variance in temperatures this afternoon, ranging from 61 near Madera to 49 at Maricopa, and 47 at Arvin where upslope clouds are keeping temperatures on the chilly side.  Overall, most locations are in the mid to upper 50s.   The cold front that moved through during the…

January 25, 2018 Summary:  A fast moving cold front is currently moving through the southern San Joaquin Valley and will be clearing the Sierra Nevada over the next few hours.  The southern limit of the precipitation appears to be the Kern County mountains as no shower activity is visible off the southern California coast.  Once…