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Forecast

August 16, 2021/report

 August 16, 2021

Help is definitely on the way.  However, we have to get through today.  Today may very well turn out to be one of the hottest days of what has been a very  hot summer.  At the upper levels of the atmosphere, high pressure is directly over central California.  This will drive readings near the 110 degree mark this afternoon in those typical hot spots.

 

A weak easterly flow continues over central California.  There’s also enough lingering monsoonal moisture available for one more day of isolated thunderstorms over the Sierra Nevada.  Debris clouds from these storms will move over the valley floor, but not enough to limit a scorching afternoon.

 

The break we’ve been looking for for much of the summer is already taking shape over western Canada.  Twenty four hours from now, a trough of low pressure will extend from central Canada to northern California.  Upper winds are currently out of the east but they will become westerly and, by Thursday and Friday, northwesterly.  This will put an end to any monsoonal moisture moving into California.  A decent on shore flow will also begin Tuesday, however it will be Wednesday before we see those double digits return.

 

Medium range models are indicating a dominant trough of low pressure over the western US with temperatures dropping marginally below average on Wednesday.  And, as occasional bursts of marine air move inland, readings generally in the mid 90s will continue through the weekend.  With a bit of luck, these temperatures may last through the middle of next week.

 

Forecast:   Other than occasional high clouds today, it will be mostly clear and extremely hot.  Mostly clear tonight through Friday with a cooling trend.  Mostly clear Friday night through Monday.

 

 

Short Term:                                                     

Madera 108/70/102/63/94 Reedley 108/69/103/63/94 Dinuba 107/69/102/62/93
Porterville 109/70/103/63/94 Lindsay 107/68/102/62/93 Delano 108/71/103/65/94
Bakersfield 109/81/102/73/93 Taft 108/82/102/72/94 Arvin 110/76/104/70/93
Lamont 109/75/103/69/92 Pixley 108/70/102/63/93 Tulare 106/69/102/62/92
Woodlake 107/68;102/62/93 Hanford 109/71/103/63/94 Orosi 106/68/102/62/92

 

Seven Day Forecast:

Thursday

Mostly clear

61/92

Friday

Mostly clear

60/93

Saturday

Mostly clear

64/97

Sunday

Mostly clear

60/96

Monday

Mostly clear

62/96

 

Two Week Outlook:  August 23 through August 29  This model shows a dry, southwesterly flow aloft as the eastern Pacific High governs our weather.  This will result in above average temperatures once again with very little chance of rain.  :

 

July:  The 30 day outlook for July follows the trend set in June with above average temperatures and upper level high pressure that’s stronger than usual.  The typical dry conditions will continue.

 

July, August, September: Above average temperatures can be expected for the next three months.  This model is given equal chance of rain for not only California but also the parched desert southwest.

 

Winds Discussion:  Winds through this evening will be mainly out of the northwest at 8 to 15 MPH with locally stronger gusts.  Tonight and at times through Thursday, winds will pick up out of the west to northwest at 10 to 15 MPH with gusts to near 25 MPH possible.  Local gusts over 30 mph will be possible Tuesday and Wednesday.

 

Rain: Expect dry conditions for at least the next 7 to 10 days.

Actual Humidity Range Yesterday: Delano, 100%/21%  Porterville, 66%/24`%,  Dew Points: Hanford, low to mid 50s.  Bakersfield: Low to mid 50s.

Percentage of Sunshine Today/Tomorrow: Visalia: Today: 90%, tomorrow 100%.  Bakersfield: Today: 90% Tomorrow: 100%.

 

ET Rates Over the Past Seven Days:. Stratford 1.98, Parlier 1.87, Arvin 2.17, Orange Cove 2.04, Porterville 1.80, Delano 1.79. Courtesy University of California *=estimate, NA=not available

Seven Day Soil Temperatures: Stratford 78, Parlier 81, Arvin, 79, Orange Cove NA, Porterville NA, Delano 78.

Record Temperatures: 112/53. Average Temperatures: 97/65

Cooling Degree Days This Season.  1645  +371 Varies widely from location to location. courtesy of the NWS

Average Temperature for this month So Far: 84.2 +3.6 courtesy of the NWS

Precipitation:  Seasonal total for Fresno,  6.59  or -4.35 or 60% of average.  Month to Date: .00  or -.03

Precipitation for Bakersfield,  Season,T yesterday,  2.77, +or-  -3.34 or 44% of average.  Month to date  .T or -.-00

Water year season is from October 1st through September 30.

Chilling Hours November 1st through February 28: Orange Cove,  , Parlier,  ,  Arvin,  , Belridge,    , Shafter,  , Stratford,  , Delano,  , Porterville,

Hours at 45 or below 45.  Courtesy UC Davis

Sunrise: 6:18 am   Sunset: 7:47  Hours of Daylight:  13:31

 

Yesterday’s Weather

MCE   : Merced               153 : DH1700 / 100 /  69 / 0.00 /

MAE   : Madera               253 : DH1700 / 102 /  70 / 0.00 /

FAT   : Fresno Airport       333 : DH1700 / 103 /  79 / 0.00 /

HJO   : Hanford Airport      242 : DH1700 / 104 /  70 / 0.00 /

NLC   : Lemoore Naval AS     234 : DH1700 / 105 /  73 / 0.00 /

BFL   : Bakersfield Airport  496 : DH1700 / 104 /  81 / 0.00 /

VIS   : Visalia Airport      292 : DH1700 / 101 /  71 / 0.00 /

ATEC1 : Avenal               787 : DH1653 / 104 /  86 / 0.00 /

PTV   : Porterville Airport  442 : DH1700 / 104 /  73 / 0.00 /

TFTC1 : Taft                 759 : DH1649 / 104 /  76 / 0.00 /:

.END

:

: Unofficial Weather Stations

:

: Approximate high temperature this afternoon and low temperature

this morning.

: 24-hour precipitation ending AT 5 pm PDT/ 4 pm PST.

:

:                                          Max   Min    24Hr  Snow

: Id    Name                Elev   TIME    Temp  Temp   Pcpn  Depth

:

: …Valley…

VIS   : Visalia Airport      292 : DH1700 / 101 /  71 / 0.00 /

ATEC1 : Avenal               787 : DH1653 / 104 /  86 / 0.00 /

PTV   : Porterville Airport  442 : DH1700 / 104 /  73 / 0.00 /

TFTC1 : Taft                 759 : DH1649 / 104 /  76 / 0.00 /

 

Rainfall:                     24hr    W.Y.    %    Last Y.  %     Ave.     Year ave.

STOCKTON                      0.00    7.88    59    8.35    63    13.36    13.45

MODESTO                       0.00    7.12    58    6.94    57    12.20    12.27

MERCED                        0.00    7.00    60    0.00     0    11.75    11.80

MADERA                        0.00       M     M    0.00     0    10.76    10.79

FRESNO                        0.00    6.59    60    0.00     0    10.94    10.99

HANFORD                       0.00    4.29    53    0.00     0     8.09     8.13

BAKERSFIELD                   0.00    2.77    44    0.00     0     6.31     6.36

BISHOP                        0.00    1.68    36    2.25    48     4.68     4.84

SALINAS                       0.00    5.79    46    9.18    73    12.51    12.58

PASO ROBLES                   0.00    6.74    56   11.37    94    12.08    12.15

SANTA MARIA                   0.00    6.87    52   10.61    80    13.24    13.32

 

 

Next report:  August 17/am