Category: Forecast

August 2, 2018 Summary: Upper level high pressure centered over western Arizona has weakened slightly over the past 24 hours.  This may allow temperatures today to move downward a degree or two, but they will still remain above the century mark both today and Friday.  The south valley may see some lower hundreds even on…

August 1, 2018 Summary: Strong upper level high pressure is near the California/Arizona border again this morning.  There are some minor differences as the clockwise flow around the high has winds more out of the south today than the southeast which they were over the past few days.  The freezing level is way up there…

July 31, 2018 Summary: High pressure in the upper levels of the atmosphere continues unabated.  The center of circulation this morning is in extreme western Arizona.  The clockwise flow around the high keeps a southeasterly flow going into southern and central California.  Most of the cloud cover this morning is over the Sierra Nevada but…

July 30, 2018 Summary: Here we go with a brand new week with the string of 100+ degree weather continuing probably through Saturday.  The high center has shifted just a little further east, allowing a southeast flow to move into southern and central California.  This flow is pumping a minimal amount of monsoonal moisture over…

July 28, 2018 Summary: Strong upper level  high pressure is centered directly over southern California again this morning.  The freezing level stands at 16,100 feet while the marine layer along the central coast is at 1,400 feet.  There is very little leakage of sea breeze moving through the Delta as winds at Travis Air Force…

July 27, 2018 Summary: Strong upper level high pressure is centered right over southern California this morning.  The freezing level overnight at Vandenberg Air Force Base was 16,000 feet, illustrating a warm bubble of subsiding air which not only is creating hot weather, but is trapping a layer of smoke along the foothills and portions…

July 26, 2018 Summary: today will be the twenty-first day in a row that Fresno has recorded temperatures of 100 or above.  This ties the all time record of 100 plus degree days.  This record will not only be broken, but significantly so as triple digit heat continued for probably at least the next week. …

July 25, 2018 Summary: As hot as it was yesterday, it paled in comparison to what is occurring in southern California.  Most locations in the Coachella and Imperial Valleys topped out at between 119 and 123.  Even so, it will be very hot in the valley through the weekend and well into next week.  Most…

  July 24, 2018 The report for Wednesday, July 25 will be issued late.  We apologize for any inconvenience. John

July 24, 2018 Summary: Strong upper level high pressure has shifted further west and is currently in eastern Arizona.  By tomorrow, it will be over western Arizona and southern California.  A blistering heat wave is in progress over southern California where hottest locations this afternoon will surpass the 120 degree mark.  It will be hot…