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March 28, 2020/pm update

March 28, 2020

Summary: A weak trough of low pressure continues to spread light showers over northern California.  A few renegade showers have spread as far south as Madera County as of 1:00pm.  The air aloft, even though a tad warmer, is still quite chilly.  The freezing level early this morning over Oakland was 5,200 feet. To our southwest, however, the freezing level over Vandenberg had nudged up to 7,200 feet.  Light showers will spread down into Fresno County tonight through Sunday, however models continue to indicate it will rapidly weaken as it moves into the south valley for only a chance of light, scattered showers south of Fresno County.


The trough will move into the interior west later Sunday night and Monday.  In fact, by Monday morning this system will have raced eastward into the Four Corners region.  A zone of high pressure will develop over the eastern Pacific and will extend inland through California and into the Great Basin and Desert Southwest through midweek.  With a weak west/northwest flow aloft, temperatures will warm a bit each day, finally rising above average by Wednesday.


Models indicate a ridge will amplify further north this coming weekend and will strengthen the high over and off the west coast for well above average temperatures.  After Sunday, dry weather will last for a good seven to possibly ten days.


Forecast: Light showers will be likely tonight and Sunday from Fresno County north with a chance of light scattered showers south of Fresno County.  Partly to mostly cloudy tonight and Sunday morning.  mostly clear Sunday afternoon and on through Saturday.


Short Term:                                                                        

Madera 44/62/41/68 Reedley 45/63/41/69 Dinuba 44/62/40/67
Porterville 45/64/41/69 Lindsay 43/64/40/68 Delano 47/63/43/69
Bakersfield 49/64/44/69 Taft 48/63/47/69 Arvin 47/65/43/70
Lamont 47/64/44/69 Pixley 46/63/42/69 Tulare 43/62/40/68
Woodlake 44/63/41/69 Hanford 46/63/42/69 Orosi 43/62/40/68


Winds:  Winds will be generally at or less than 12 MPH through Sunday night.  Winds Monday through Tuesday will be generally at or less than 10 MPH with periods of near calm conditions, mainly during the night and morning hours.


Rain:  Light showers will spread over Fresno and Madera Counties tonight with a chance of widely scattered light showers spreading into the south valley.  This will be the general rule of thumb through Sunday.  Rainfall amounts in Fresno and Madera Counties will generally range at less than .10 with most locations south of Fresno County recording .05 or less.  Dry weather will return Sunday night.  the weather pattern will evolve into a dry one for all next week.


Frost Discussion:  All locations will be above 32 degrees tonight and each night for the foreseeable future.

Next report: March 29/morning