Category: Forecast

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…

January 24, 2018 Summary:  Rain has spread over most of northern California.  Precipitation is approaching Sacramento and San Francisco, but the portion of the front off the central coast appears to be losing its upper air support, as expected.  Showers will spread down the valley by late evening and during the early morning hours.  By…

January 24, 2018 Summary:  A considerable amount of fog formed overnight north of Kern County, mainly towards the center and western side of the San Joaquin Valley.  Satellite imagery is rather interesting.  The fog is moving slowly northwestward as a weak southeasterly flow is moving up the valley towards a cold front which is now…

January 23, 2018 Summary:  Low cloud cover which blanketed much of northern Tulare county and points northward is still surprisingly hanging in there, but is dissipating from south to north.  Weak upper level high pressure will hang around through tonight for clear skies, although no doubt some patchy fog will form Wednesday morning.  Later Wednesday,…

January 23, 2018 Summary:  Low clouds developed over much of the valley during the night, but have taken on a rather odd configuration.  Hanford and Fresno are each reporting overcast skies, Hanford at 3,400 feet and Fresno at just 800 feet.  In the meantime, much of the southeast sector of the valley was clear as…

January 22, 2018 Summary:  From Fresno County northward, skies are mostly to partly cloudy this afternoon with abundant sunshine in the south valley.  The low pressure system which dove into northern California early this morning just plain fell apart on its southward journey.   Weak upper level high pressure is currently filling in from the eastern…