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Forecast

April 21, 2023 report

April 21, 2023 am

Summary:  Temperatures are 2 to 6 degrees warmer than 24 hours ago. Upper level high pressure off the Pacific coast is building northeastward. The balloon sounding above Vandenburg AFB indicated the freezing level has risen to 13,400 feet, indicative of a warm bubble of air above California. This will nudge readings into the low to mid 80s over the weekend. A weak trough of low pressure  will move through the Pacific Northwest Tuesday and Wednesday, allowing temperatures to drop into the lower 80s.  as soon as this system shifts eastward, the high will firm up even more. In fact, we may have our first 90 degree reading anytime from Wednesday through Friday of next week. for the third day in a row, models are showing a large low off the northern California coast beginning the first of May. It’s too early to discern what impact this system will have on California, however I wouldn’t completely rule out a chance of showers around the second or third of May along with cooler temperatures.

 

Forecast: Mostly clear through Monday. Mostly clear Monday night through Friday.

 

Temperatures:  

Madera

80/50/83/51//84

Reedley

81/50/84//52/84

Dinuba

79/49/83/51/83

Porterville

81/51/84/52/85

Lindsay

80/50/84/52/84

Delano

79/52/83/53/84

Bakersfield

79/56/82//58/84

Taft

78/59/81/60/82

Arvin

81/53/83/53/84

Lamont

81/54/84/55/85

Pixley

80/51/83/52/84

Tulare

78//50/82/52/83

Woodlake

80/49/83/52/83

Hanford

81/53/84/55/84

Orosi

79/49/82/52/83

 

Seven Day Forecast

Monday

Mostly clear

51/85

Tuesday

Mostly clear

48/80

Wednesday

Mostly clear

50/81

Thursday

Mostly clear

54/89

Friday

Mostly clear

56/90

 

Two Week Outlook:  April 28 through May 4: This model is showing a late season low pressure system moving through California with a greater than average shot at precipitation during this period. Even so, temperatures will remain close to average.

 

April:  This model is showing a dominant westerly flow during the month, resulting in below average temperatures. The main storm track will be through the Pacific Northwest and the northern one-fourth of California. Central California is just south of that zone with predicted near average precipitation.

 

April, May, June:  The 90 day outlook calls for generally near to below average precipitation as we head into the dry season. The model doesn’t swing in either direction regarding temperatures, calling for near average temperatures.

 

Wind Discussion: Winds through Saturday night will be mainly out of the northwest at 5 to 12 mph afternoons and evenings and generally at or less than 8 mph with periods of near calm conditions during the night and morning hours.  By late Sunday afternoon, winds will be out of the northwest at 8 to 15 mph, continuing through Monday.

 

Rain Discussion: Medium range models have been trending towards a late season low pressure system moving into California. This far out, of course nothing is in concrete, however there does seem to be at least a chance of showers around the 2 through the 3.

 

Mid afternoon dew points: Mid to upper 40s..  Kern: Mid to upper 40s.

ET for the past seven days: Stratford, 1.44, Parlier, 1.40, Arvin 1.32, Porterville .NA, Delano 1.31 Soil temperatures: Stratford 56, Parlier 62, Arvin 63, Porterville NA, Delano 67 *=data missing.

Average Temperatures: 75/49  Record Temperatures: 98/36

Cooling Degree Days This Season.  5 -17 Varies widely from location to location. courtesy of the NWS

Precipitation:  Seasonal total for Fresno  17.48, Monthly  .00

Precipitation for Bakersfield:  Season: 9.74, Monthly:  .00

Average Temperature This Month 58.6 -1.9 Taken NWS Hanford.

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

Chilling Hours November 1st Through February 28:  Parlier 1306,  Arvin 1115, Belridge 1204, Shafter 1230, Stratford 1277,  Delano 1273,  Porterville  1245  courtesy UC Davis

Sunrise 6:16, sunset, 7:39.  hours of daylight, 13:22

 

Yesterday’s Weather:                                         H        L         R

MCE   : Merced               153 : DH1700 /  67 /  39 / 0.00 /

MAE   : Madera               253 : DH1700 /  67 /  37 / 0.00 /

FAT   : Fresno Airport       333 : DH1700 /  68 /  45 / 0.00 /

HJO   : Hanford Airport      242 : DH1700 /  69 /  43 / 0.00 /

NLC   : Lemoore Naval AS     234 : DH1700 /  69 /  39 / 0.00 /

BFL   : Bakersfield Airport  496 : DH1700 /  56 /  40 / 0.00 /

VIS   : Visalia Airport      292 : DH1700 /  68 /  40 / 0.00 /

ATEC1 : Avenal               787 : DH1700 /  70 /  52 / 0.00 /

PTV   : Porterville Airport  442 : DH1700 /  67 /  39 / 0.00 /

TFTC1 : Taft                 759 : DH1658 /  63 /  44 / 0.00 /

LOSC1 : Los Banos            120 : DH1600 /  72 /  40 / 0.00 /

 

STOCKTON                      0.00   22.87   184    9.21    74    12.44    13.45

MODESTO                       0.00   19.31   173    8.79    79    11.17    12.27

MERCED                        0.00   20.07   185    7.05    65    10.82    11.80

MADERA                        0.00   10.83   109    1.91    19     9.92    10.79

FRESNO                        0.00   17.48   175    6.08    61    10.00    10.99

HANFORD                       0.00   14.48   193    5.80    77     7.49     8.13

BAKERSFIELD                   0.00    9.74   166    5.01    85     5.87     6.36

BISHOP                        0.00   13.66   336    4.75   117     4.07     4.84

DEATH VALLEY NP               0.00    1.06    63       M     M     1.69     2.20

SALINAS                       0.00   13.73   116    7.13    60    11.85    12.58

PASO ROBLES                   0.00   20.51   178    8.52    74    11.53    12.15

SANTA MARIA                   0.00   23.18   184    7.41    59    12.59    13.32

 

 

Next report: April 22 am

At John Hibler Weather Forecasting, it is our goal to provide the most accurate forecasts available. Weather forecasting, unlike any other business, invites errors. Weather, by nature, is chaotic. It is our goal to be as accurate as humanly possible.