Category: Forecast

August 14, 2018 Summary:  There are two high centers: one is over the Desert Southwest and the other off the southern California coast. A weak trough is off the coast of the Pacific Northwest.  The marine layer along the coast has marginally deepened during the past 24 hours and currently is showing a depth of…

August 13, 2018 Summary:  The marine layer along the coast has deepened to 1,500 feet which is still quite low.  There is a minimal amount of sea breeze moving through the Delta as winds at Travis Air Force Base are out of the southwest, gusting to 24 MPH.  there will be a slight weakening of…

August 11, 2018 Summary:  Upper level high pressure has been nudged just a bit further east, centering over eastern Nevada and Utah.  The freezing level has come down a bit as the reading taken over VAF last night stood at 15, 100 feet.  The marine layer along the coast remains very shallow, hovering around 1,000…

August 10, 2018 Summary:  Strong upper level high pressure continues to be parked over Nevada this morning.  The freezing level has come down a tad with a reading of 15,000 feet over Vandenberg Air Force Base.  The marine layer remains very shallow with a depth of only 900 feet with no sea breeze moving through…

August 9, 2018 Summary:  The center of circulation around the latest strong upper high is over Nevada this morning.  The high has crushed the marine layer down to about 1,000 feet.  The freezing level is all the way up to 16,700 feet over Vandenberg, which is the highest reading in the lower 48.   The…

August 8, 2018 Summary:  Upper level high pressure is building northward and westward from its center over Arizona.  The freezing level is now up to 16,600 feet which is the highest reading in the lower 48 while the marine layer is 1,200 feet and is not moving through the Delta.  With the high building overhead,…

August 7, 2018 Summary:  The current center of a rather strong upper high has moved westward into Arizona.  For now, highest pressures will be from the Kern County mountains southward, but if the high begins to expand towards the north and west, another heat wave will ensue beginning Wednesday and lasting through at least Friday. …

August 6, 2018 Summary:  Thirty days in a row was the new record for consecutive 100+ degree days at Fresno.  Temperatures backed off to a chilly 99 Sunday, breaking this string, but not by much.  Currently, a westerly flow is evident across the eastern Pacific and into California which is flanked underneath a low off…

August 4, 2018 Summary: The center of circulation of the upper level high is now just west of San Diego.  It is being pressed southward by a weak low off the coast of the Pacific Northwest with a very weak trough trying to move into northern California.  The marine layer is only 900 feet deep,…

August 3, 2018 Summary: Upper level high pressure is beginning to flatten out over northern California and will be suppressed southward through Monday.  A westerly flow is now evident over central California and will result in clear skies through at least Tuesday.  The marine layer is still fairly shallow this morning, standing at 1,500 feet. …