Category: Forecast

April 17, 2019 Summary: There are some lower level clouds in various locations over the valley floor this morning.  Many locations, though, are mostly clear.  The sounding above Visalia indicated an overcast of 4,600 feet.  As the day wears on, the clouds will dissipate in response to building upper level high pressure.  Already this morning,…

April 16, 2019 Summary: A cold front moved through central California overnight and has already progressed into southern Nevada, sweeping southwestward to near the San Diego mountains and out to sea from there.  A weak trough of low pressure is following the front, resulting in generally light showers well into the early morning hours.  Rainfall…

April 15, 2019 Summary: many locations Sunday afternoon soared into the mid 80s.  that will come to an abrupt halt today as pressures rapidly fall ahead of an incoming low pressure system and its associated cold front.  As barometric pressure drops over the interior, pressure gradients will tighten up between California and the eastern Pacific,…

April 13, 2019 Summary: Upper level high pressure continues to build over California via the eastern Pacific Ocean.  Freezing levels which were near 7,800 feet 24 hours ago zoomed up to 14,600 feet last night.  temperatures will continue to respond to the high as readings in many locations will top the 80 degree mark this…

April 12, 2019 Summary: Winds have died off throughout the valley this  morning but will pick up again during the late morning and afternoon hours, especially along the west side where winds will peak at 15 to 25 MPH this afternoon.  The trough that moved through yesterday is now centered over Utah and is shifting…

April 11, 2019 Summary: We call them “inside sliders”.  What that is, is a storm system that moves through the Pacific Northwest then drops into the Great Basin.  This will happen again today and once again later Monday  night and Tuesday.  Typically, these systems result in the valley remaining dry with a chance of rain…

April 10, 2019 Summary: A much cooler air mass, obviously, spread over the region yesterday accompanied by strong winds and blowing dust.  Aloft, the freezing level over Oakland dropped from 12,000 feet Monday to 6,800 feet this morning.  A massive spring storm is centered near the Colorado/Nebraska border.  It is so large in scope that…

April 9, 2019 Summary: A weak but fast moving cold front is currently moving into the southern San Joaquin Valley.  Just sprinkles have been recorded on the valley floor.  The only location as of 6:00am to record measurable rain was Mettler with a grand total of .01.  The main impact of this system will be…

April 8, 2019 Summary: Even despite the high clouds today, temperatures may actually surpass yesterday’s upper 70s to lower 80s readings.  Temperatures Tuesday will drop a good ten to thirteen degrees as a fast moving cold front slides down the valley.  The parent low will move into Oregon and northern California where significant amounts of…

April 6, 2019 Summary:  A flat zone of upper level high pressure covers the waters off the central and southern California coast.  From there, it extends inland over both regions.  The northern portion of the growing area will observe variable cloudiness today from a fairly significant low moving into Oregon and northern California.  The weak…