Category: Forecast

July 3, 2020   Summary:  A zone of upper level high pressure stretches from the southeast U.S. to another high off the southern California coast.  The marine layer remains fairly shallow with the latest sounding at Monterey indicating a depth of 1,200 feet.  We remain under the balancing act between low pressure covering western Canada…

July 3, 2020                We will be out of the office Saturday, July 4.  Reports will                resume Monday, July 6.  Have a safe and blessed holiday weekend!    Summary:  Central California will continue to be sandwiched between persistent low pressure over western Canada with a weak trough of low pressure extending as far south…

July 2, 2020 Summary:  Temperatures currently are running generally2 to 4 degrees lower than 24 hours ago.  This is due to a burst of modified marine air that surged through the Delta and, to a lesser extent, through the gaps and passes of the Coast Range overnight.  At last report, the marine layer at Monterey…

July 1, 2020 Summary:  The marine layer along the coast deepened somewhat overnight.  The latest sounding at Monterey indicates a depth of 2,100 feet.  There is a weak push of modified marine air through the Delta as winds at Travis Air Force Base were sustained at 17 MPH at last report.  Infrared satellite imagery shows…

June 30, 2020 Summary:After a brief respite, summer returns to the San Joaquin Valley today, although no triple digits are expected through at least Friday.  The low pressure system that resulted in the mild temperatures yesterday, has morphed into a broad area of low pressure which now stretches from western Canada southeastward through Colorado.  California…

June 29, 2020 Summary: It is quite a refreshing morning out there as all ag locations from Madera southward through Kern County are reporting readings in the low to mid 50s as of 6:00am.  Anytime you have highs in the 80s, which we’ll enjoy this afternoon, consider it a very temporary summer reprieve.  The freezing…

June 27, 2020 Summary: Pressures aloft have risen overnight.  A very warm bubble of subsiding air will give central California one  more hot day before a major break in the heat wave occurs.  The latest balloon sounding over Oakland pegged the freezing level way up at 17,400 feet, the highest so far this summer.  Very…

June 26, 2020 Summary: A weak upper low that was centered over Nevada yesterday has moved southward and is now centered over Inyo County.  It will move into eastern San Bernardino County this afternoon. As a result, temperatures this afternoon will lower by about 2 degrees over yesterday’s highs.  The marine layer is right at…

June 25, 2020 Summary: Today will be day 5 of triple digit heat on the valley floor. There are some minor deviations in the overall pattern, however.  There is a weak trough of low pressure over the Great Basin which is oriented northeast to southwest with the far western side of the trough hanging into…

June 24, 2020 Summary: The center of circulation of a relatively strong upper high is just off the northern Baja, California coast.  A very warm bubble of subsiding air continues to drive temperatures well above the century mark.  The freezing level taken over Oakland a few hours ago was 16,200 feet.  The marine layer is…