Category: Forecast

February 17, 2018 Summary:  The leading edge of the cloud deck from a strong but cold and moisture starved low pressure system has entered northern California.  This leading edge will become an interesting weather pattern for California.  Models show a cold front driving down the  valley Sunday night and early Monday with a chance of…

February 17, 2018 Summary: This will be the last day of relatively mild afternoons as we continue to be on the far eastern flank of a strong upper high which covers the bulk of the eastern Pacific Ocean.  The high will begin to move westward later today and tonight, farther out to sea, and will…

February 16, 2018 Summary:  Some moderation is occurring in the upper atmosphere this afternoon.  The freezing level has nudged up to 10,000 feet as opposed to 6,900 feet yesterday.  That massive eastern Pacific high has moved a bit further east, putting California under its umbrella.  Saturday will be the warmest day we’ll potentially see for…

February 16, 2018 Summary: It was again cold this morning with a few locations, especially in Madera and Fresno Counties, chilling into the upper 20s.  some  moderation will occur tonight and again Saturday night as high pressure off shore temporarily moves in.  some of the warmer locations Saturday may eclipse the 70 degree mark.  …

February 15, 2018 Summary:  There is a distinct difference in pressure between northern and southern California due to a literally invisible trough that moved through before dawn this morning.  Winds are generally light in the central, southern, and eastern sectors of the valley but are averaging between 15 and 20 MPH on the western side,…

February 15, 2018 Summary: You couldn’t tell, but a weak wave of low pressure moving from north to south went through during the early morning hours.  Satellite imagery indicates that all of central California is enjoying clear skies this morning.  It will be somewhat cooler today as the air aloft chills a bit.  I noted…

February 14, 2018 Summary:  The cold upper low off the southern California coast has drifted further south while the leading edge of the next dry wave of low pressure is moving into northern California.  The southern low will move quickly eastward through northern Baja and far southern California tonight and Thursday morning.  The clouds from…

February 14, 2018 Summary: Heavy cloud cover based at roughly 10,000 feet moved in during the early morning hours, creating milder conditions than expected.  The culprit is the same upper low which is now centered just southwest of the Channel Islands.  Light showers are currently occurring from Los Angeles and Ventura Counties as far north…

February 13, 2018 Summary:  The center of circulation of a cold upper low is a bit further west this afternoon and is about 150 miles west/southwest of Santa Barbara.  The counterclockwise flow around the system is generating a few showers along the immediate south/central California coast from Santa Maria southward.  There is a swath of…

February 13, 2018 Summary:  it was cold last night, especially in Fresno and Madera Counties where cloud cover was less evident.  Madera, Sanger, and Fowler, as of 6:00am, were reporting a low of 29 degrees.  More in the frost discussion below.   The center of circulation of our cold upper low has now moved just…