Updates
  • Out/pneumonia Pardon the interruption again, folks. John had been coughing more and more frequently lately. Difficult breathing yesterday resulted in an ambulance ride to the local…
  • May 8, 2024 report May 8, 2024 Summary  High pressure aloft is  located 500 miles off the northern California coast. Low pressure is centered over Wyoming and the Dakotas…
  • May 6, 2024 report May 6, 2024 Summary  An elongated trough of low pressure extends from the Gulf of Alaska to the Pacific Northwest while high pressure is setting…
  • May 4, 2024 report May 4, 2024 Summary  A low pressure center is off the coast of the Pacific Northwest this morning. This low will move southwestward into northern…
  • May 2, 2024 report May 2, 2024 Summary  upper level high pressure is upwelling ahead of a low pressure system located in the northeast Pacific. This will drive temperatures…
Forecast

September 16, 2017

September 16, 2017

Summary:  The latest trough of low pressure is now moving through the Pacific Northwest.  High clouds have spread as far south as Sacramento and a few high clouds may be visible here later this afternoon.  Temperatures this afternoon will struggle towards seasonal values as temporarily the marine layer is too shallow to be a player.  Weak ridging will keep temperatures around the 90 degree mark through Monday.

 

From Tuesday and through the remainder of next week, cooler than average temperatures can be expected as a fairly robust trough of low pressure moves into the Pacific Northwest and northern California.  This will again generate a strong on shore flow, allowing marine air to move into the valley unhindered.

 

Once we get to Thursday through Saturday, a reinforcing trough will move inland.  This system could result in scattered showers over parts of northern California and possibly the Sierra Nevada, but all the models point to dry conditions for central California.

 

It appears our next warming trend is a ways off as models show a trough lingering along the west coast through the twenty-fourth of this month then the possibility of much warmer temperatures shows up for the twenty-fifth through the twenty-sixth.

 

Forecast:  Mostly clear skies through Wednesday.  Mostly clear skies will continue Wednesday night through Saturday.

 

Short Term:                                                                        

Madera 88/57/90/59/90 Reedley 89/59/90/60/90 Dinuba 89/57/89/59/89
Porterville 90/58/91/59/90 Lindsay 90/57/90/58/91 Delano 91/61/91/63/91
Bakersfield 90/67/91/67/90 Arvin 91/64/91/65/91 Taft 89/67/90/67/91
Lamont 91/66/91/67/92 Pixley 89/61/91/62/89 Tulare 88/57/89/59/89
Woodlake 89/58/90/59/89 Hanford 90/58/91/60/90 Orosi 89/58/90/60/90

 

Seven Day Forecast:

Tuesday

Mostly clear

57/83

Wednesday

Mostly clear

57/86

Thursday

Mostly clear

54/80

Friday

Partly cloudy

53/80

Saturday

Partly cloudy

53/84

 

Two Week Outlook: September 22 through September 28:  This model shows a pretty active pattern moving into the Pacific Northwest and clipping northern California.  For now, it does not appear precipitation will affect central California, but this regime should keep temperatures near to slightly below average.

 

September:  This model shows upper level high pressure more dominant over the western U.S.  There’s no clear indicator of above or below average rainfall as we move into the fall season.  With that in mind, we’ll call for near average precipitation for the month.

 

September, October, November:  It appears temperatures overall will rise to above average values for the bulk of this time frame.  Upper level high pressure is also more dominant with precipitation, believe it or not, predicted to be somewhat near average.

 

Winds: Winds will be generally less than 15 MPH with locally stronger gusts through Tuesday.

 

Rain: Expect dry conditions for the next 5 to 10 days.

 

Afternoon Dew Points Today: Low to mid 50s. Kern: Low to mid 50s.

Relative Humidity Forecast:  Hanford, 25%/80%  Bakersfield, 30%/60%

Actual Humidity September 14, 2017: Delano, 71%/35%, Porterville, 81%/33%

 

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

 

ET Rates Over the Past Seven Days September 14, 2017: Stratford 1.48, Parlier 1.19, Blackwell 1.58, Lindcove 1.25, Arvin 1.51, Orange Cove 1.42, Porterville 1.11, Delano 1.34, Madera Two 1.20 Courtesy University of California *=estimate, NA=not available. 

 

Seven Day Soil Temperatures: Stratford 77, Parlier 81, Blackwell 81, Lindcove 79, Arvin 1.89, Orange Cove 80, Porterville 84, Delano 80, Madera Two 83

 

Mean Temperatures for September Month So Far:  82.5 +7.2

Record Temperatures: 104/45. Average Temperatures: 91/60

Cooling Degree Days This Season: 2056, +591 Courtesy of the NWS

 

Precipitation:  Seasonal total/average/above or below average

Since September 14, 2017,  Fresno: 17.20 season. or +5.92.  Month to Date: .10

Since September 14, 2017,  Bakersfield:  7.89, or 1.92,  Month to Date: ..51, Water year season is from October 1st through September.

 

Chilling Hours November 1st Through February 28: Orange Cove, Parlier, Arvin, Shafter, , Stratford, Madera two, Alpaugh, Delano, Lindcove, Porterville, Hours at 45 or below 45.

 

Sunrise: 6:42 am  Sunset: 7:04 Hours of Daylight: 12:26

 

Yesterday’s Weather

MAE   : Madera               253 : DH1700 /  84 /  57 / 0.00 /

FAT   : Fresno Airport       333 : DH1700 /  83 /  60 / 0.00 /

HJO   : Hanford Airport      242 : DH1700 /  85 /  56 / 0.00 /

NLC   : Lemoore Naval AS     234 : DH1700 /   M /  56 / 0.00 /

BFL   : Bakersfield Airport  496 : DH1700 /  84 /  64 / 0.00 /

VIS   : Visalia Airport      292 : DH1700 /  83 /  57 / 0.00 /

ATEC1 : Avenal               787 : DH1656 /  86 /  57 / 0.00 /

PTV   : Porterville Airport  442 : DH1700 /  84 /  56 / 0.00 /

TFTC1 : Taft                 759 : DH1642 /  82 /  64 / 0.00 /

LOSC1 : Los Banos            120 : DH1600 /  84 /  58 / 0.00 /

 

 

Rainfall:

To date       Last year      Average  Annual ave

STOCKTON                      0.00   21.79   157   16.69   120    13.86    14.06

MODESTO                       0.00   16.93   131   15.61   121    12.92    13.11

MERCED                        0.00   16.03   130   14.66   119    12.32    12.50

MADERA                        0.00   14.26   120   12.96   109    11.86    12.02

FRESNO                        0.00   17.30   152   14.29   126    11.38    11.50

HANFORD                       0.00   11.16   112    8.26    83     9.99    10.10

BAKERSFIELD                   0.00    8.33   130    5.43    85     6.42     6.47

BISHOP                        0.00    9.18   182    3.88    77     5.05     5.18

SALINAS                       0.00   16.49   130   13.47   106    12.70    12.83

PASO ROBLES                   0.00   16.17   128    8.06    64    12.61    12.78

SANTA MARIA                   0.00   18.91   136    9.00    65    13.86    13.95

Rainfall season from October 1st through September 30th

 

Next Report: Monday, September 18