August 16, 2017
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Summary: A mild northwesterly flow will remain over California for one more day. The marine layer along the coast is roughly 3,000 feet deep. However, the strong on shore flow of the past 24 hours has begun to weaken. Even though it will be a degree or two warmer today, conditions will still be very pleasant with most locations in the upper 80s to the lower 90s.
There are two distinct features on forecast models this morning. The first, is an upper high covering the eastern Pacific Ocean. The second is a trough of low pressure moving through the interior west. Beginning Thursday, pressures above central California will begin to rise, cutting the flow of marine air off. Most locations on the valley floor should be back into the upper 90s to the lower 100s Friday through Sunday. For now, it appears the winds aloft will be southwesterly, but we will have to watch a batch of monsoon moisture which will begin to affect the Desert Southwest over the weekend. For now, though, it looks like we’ll be too far to the east for it to impact us. Even so, isolated thunderstorms will be possible over the high Sierra on any afternoon for the remainder of the week.
Outside of that, skies will be clear with summer returning as early as tomorrow.
Forecast: Clear skies through Saturday. Mostly clear skies will continue Saturday night through Wednesday.
Short Term:
| Madera 89/63/97/67/99 | Reedley 90/64/98/67/99 | Dinuba 89/63/97/67/98 | |
| Porterville 90/63/98/65/100 | Lindsay 90/63/97/67/100 | Delano 91/65/98/68/100 | |
| Bakersfield 89/71/99/75/101 | Arvin 90/66/99/70/101 | Taft 89/74/98/77/100 | |
| Lamont 98/67/98/69/101 | Pixley 90/64/98/67/100 | Tulare 90/63/97/66/99 | |
| Woodlake 89/63/98/66/99 | Hanford 90/64/98/67/100 | Orosi 89/64/97/68/100 | |
Seven Day Forecast:
| Saturday
Mostly clear 68/101 |
Sunday
Mostly clear 69/100 |
Monday
Mostly clear 68/99 |
Tuesday
Mostly clear 68/98 |
Wednesday
Mostly clear 66/97 |
Two Week Outlook: August 23 through August 29: This model indicates a trough of low pressure will be off shore during the early part of the period. It will then form another low over Nevada. This poses little if any chance of precipitation, but it would maintain a westerly flow with a possibly deep marine layer which would allow temperatures to slide a bit below average.
August: This model shows a significant trough of low pressure east of the Rockies and overall fairly strong high pressure dominating the western third of the U.S. This should create above average temperatures for the month with a chance of the return of the monsoon from time to time. Generally, temperatures will be above average with a slight chance of isolated showers and thunderstorms.
August, September, October: The trend towards above average temperatures shows up once again through at least August and September. October is more iffy. As far as precipitation is concerned, conditions will remain near average. Remember, the real rainfall season doesn’t begin until November so no significant amounts of precipitation are seen at this time.
Winds: Winds will be generally less than 15 MPH through Saturday and mainly out of the northwest afternoons and evenings.
Rain: Expect dry weather for the foreseeable future.
Afternoon Dew Points Today: Low to mid 50s. Kern: Upper 40s to the lower 50s
Relative Humidity Forecast: Hanford, 30%/80% Bakersfield, 25%/65%
Actual Humidity August, 14, 2017: Delano, 95%/23%, Porterville, 77%22%
Percentage of Sunshine Today/Tomorrow: Visalia: Today 100% tomorrow 100%, Bakersfield: Today 100% tomorrow 100%.
ET Rates over the Past Seven Days August 14, 2017: Stratford 2.02, Parlier 1.60, Blackwell NA, Lindcove 1.76, Arvin 2.15, Orange Cove 2.03, Porterville 1.68, Delano 1.81, Madera Two 1.68. Courtesy University of California *=estimate, NA=not available.
Seven Day Soil Temperatures: Stratford 76, Parlier 83, Blackwell 81, Lindcove 78, Arvin NA, Orange Cove 83, Porterville 84, Delano NA, Madera Two 82
Mean Temperatures for August Month So Far: 83.5. +4.5
Record Temperatures: 109/53. Average Temperatures: 97/65
Cooling Degree Days This Season: 1497, +380 Courtesy of the NWS
Precipitation: Seasonal total/average/above or below average:
Since August 14, 2017, Fresno: 17.20 season / +5.88 or +5.88, Month to Date: T
Since August 14, 2017, Bakersfield: 7.88, or 1.46, Month to Date: T, Water year season is from October 1st through September.
Sunrise: 6:17 am Sunset: 7:48 Hours of Daylight: 13:33
Yesterday’s Weather
MAE : Madera 253 : DH1700 / 87 / 58 / 0.00 /
FAT : Fresno Airport 333 : DH1700 / 88 / 62 / 0.00 /
HJO : Hanford Airport 242 : DH1700 / 88 / 61 / 0.00 /
NLC : Lemoore Naval AS 234 : DH1700 / 89 / 58 / 0.00 /
BFL : Bakersfield Airport 496 : DH1700 / 89 / 65 / 0.00 /
VIS : Visalia Airport 292 : DH1700 / 87 / 62 / 0.00 /
ATEC1 : Avenal 787 : DH1653 / 87 / 61 / 0.00 /
PTV : Porterville Airport 442 : DH1700 / 88 / 60 / 0.00 /
TFTC1 : Taft 759 : DH1655 / 87 / 65 / 0.00 /
LOSC1 : Los Banos 120 : DH1600 / 80 / 61 / 0.00 /
Rainfall:
STOCKTON 0.00 21.78 158 16.69 121 13.76 14.06
MODESTO 0.00 16.93 132 15.61 122 12.84 13.11
MERCED 0.00 16.03 131 14.66 120 12.20 12.50
MADERA 0.00 14.18 121 12.96 110 11.75 12.02
FRESNO 0.00 17.20 152 14.29 126 11.32 11.50
HANFORD 0.00 11.05 112 8.26 83 9.91 10.10
BAKERSFIELD 0.00 7.82 123 5.43 85 6.36 6.47
BISHOP 0.00 9.18 187 3.88 79 4.91 5.18
SALINAS T 16.45 130 13.47 106 12.65 12.83
PASO ROBLES 0.00 16.14 129 8.06 65 12.48 12.78
SANTA MARIA 0.00 18.44 134 9.00 65 13.80 13.95
Rainfall season from October 1st through September 30th
Next Report: Thursday, August 17