Category: Forecast

January 2, 2019 Summary: It was quite cold overnight.  Just got an email from a grower who told me it was down to 23 degrees at the Delano Airport with a dewpoint of 20.  I noted Maricopa was down to 25 with many locations in the 26 to 28 degree range.  No doubt there was…

January 1, 2019 Summary:  Some peculiar things have been occurring today as far as overnight low temperature potential is concerned.  This is discussed in detail below. Low pressure both at the surface and aloft stretches from the Dakotas down into northern Baja while upper level high pressure covers the eastern and central Pacific with a…

January 1, 2019 Summary: Mid to upper 20s were widespread last night and tonight will be colder.  Already this  morning Rio Bravo was down to 23 degrees with 26 at west Porterville and in Ivanhoe.  All other locations were generally 27 to 29.   The low is now centered over northern Arizona with a high…

December 31, 2018 Summary: All the key ingredients are there for a hard freeze tonight through Thursday morning.  Winds are screaming down the west side of the valley and through the Sacramento Valley.  Winds are gusting to 37 MPH up at Gustine, 36 MPH at Panoche Road, and 29 MPH at Kettleman Hills.  That’s as…

December 31, 2018 Summary: A very cold low has raced southward from western Canada and is now centered over Nevada.  It will drop into Arizona by tonight.  Gusty winds are picking up along the west side of the valley.  Gusts to 31 MPH have been reported along Panoche road and 22 MPH at Kettleman Hills. …

  December 30, 2018 Summary: A fast  moving Canadian low pressure system continues to dive southward into the interior west.  The center of this storm’s circulation is currently over Idaho with the bottom side of the trough invading northern Nevada.  In the meantime, upper level high pressure covers the eastern Pacific with a ridge extending…

December 30, 2018 Summary: Temperatures this morning are as cold to a degree or two warmer in some locations as they were yesterday.  More below in the frost section.   We have a rapidly evolving weather pattern.  A cold low is dropping southeastward from British Columbia into the Pacific Northwest.  The leading edge of this…

December 29, 2018 Summary: A north/northeast flow aloft and a low center over the Four Corners region are keeping a north/northeast flow over California.  The cold dry air has pretty much solidified now on the valley floor, meaning well below freezing temperatures will again occur Sunday morning throughout the growing area, even though most locations…

December 29, 2018 Summary: This is the coldest  morning of the year, so far, as widespread mid to upper 20s are prevalent.  As of 6:00am, Rio Bravo was down to 26 and Fowler, Ivanhoe, and Mcfarland were reporting 27.  No doubt before the sunrises this morning, a few locations could hit 25.   Upper level…

December 28, 2018 Summary: Skies are generally clear this afternoon with the exception of a few small pockets of clouds in Kern County which will no doubt dissipate this afternoon and evening.  We are in for a couple of cold nights ahead as low pressure centered over northeast Arizona and an upper level high which…