945
FSUS46 KLOX 141040
QPSLOX

Quantitative Precipitation Forecast
National Weather Service Los Angeles/Oxnard CA
334 AM PDT Tue Oct 14 2025

Precipitation forecasts in inches are provided in 3-hour
increments until 1700 followed by 6-hour increments until 0500.
Thunderstorm chances cover up to 0500 on day 1 only.

Light rainfall amounts greater than zero but less than a tenth of an
inch are shown as lgt.

The discussion covers the period from: Tue Oct 14 2025 through Mon Oct 20 2025.

&&

                                    05-08  08-11  11-14  14-17  |  17-23  23-05

San Luis Obispo County...

LSRC1:Cambria                          lgt    lgt    lgt    lgt   |   0.0   0.0
SMRC1:Santa Margarita                  lgt    lgt    lgt    lgt   |   0.0   0.0
NIPC1:Lopez Lake                       0.2    lgt    lgt    0.0   |   0.0   0.0

1-Hr Rates:              Coasts/Valleys   Foothills/Mountains
Expected Peak (in/hr):   0.10-0.20        0.10-0.20
Probability 0.50+ in/hr: 45%              55%
Probability 1.00+ in/hr: <5%              <5%

Peak rates expected to occur between: 0400-0700

Chance of Thunderstorms: 40%
Isolated rates around 0.5 in/hr possible near thunderstorms.

&&                                    05-08  08-11  11-14  14-17  |  17-23  23-05

Santa Barbara County...

SIYC1:Santa Maria                      0.1    lgt    lgt    0.0   |   0.0   0.0
SBTC1:Santa Barbara Potrero            0.4    0.1    0.1    lgt   |   0.0   0.0
GBRC1:Gibraltar Dam                    0.3    lgt    0.1    lgt   |   0.0   0.0
SMCC1:San Marcos Pass                  0.3    lgt    0.1    lgt   |   0.0   0.0
SBFC1:Santa Barbara City               0.3    lgt    lgt    lgt   |   lgt   0.0

1-Hr Rates:              Coasts/Valleys   Foothills/Mountains
Expected Peak (in/hr):   0.10-0.20        0.20-0.40
Probability 0.50+ in/hr: 45%              95%
Probability 1.00+ in/hr: <5%              30%

Peak rates expected to occur between: 0400-0700

Chance of Thunderstorms: 40%
Isolated rates around 0.75 in/hr possible near thunderstorms.

&&                                    05-08  08-11  11-14  14-17  |  17-23  23-05

Ventura County...

FGWC1:Fagan Canyon                     0.5    0.2    lgt    lgt   |   0.0   0.0
HRCC1:Hopper Canyon                    0.7    0.2    lgt    lgt   |   0.0   0.0
MTDC1:Matilija Dam                     0.4    0.2    lgt    lgt   |   0.0   0.0
VTUC1:Ventura City                     0.4    0.2    lgt    lgt   |   0.0   0.0
MORC1:Moorpark                         0.6    0.2    lgt    lgt   |   0.0   0.0
CRXC1:Circle X Ranch                   0.7    0.2    lgt    lgt   |   0.0   0.0

1-Hr Rates:              Coasts/Valleys   Foothills/Mountains
Expected Peak (in/hr):   0.20-0.40        0.35-0.55
Probability 0.50+ in/hr: 35%              85%
Probability 1.00+ in/hr: <5%              20%

Peak rates expected to occur between: 0400-0900

Chance of Thunderstorms: 40%
Isolated rates around 1.0 in/hr possible near thunderstorms.

&&                                    05-08  08-11  11-14  14-17  |  17-23  23-05

Los Angeles County...

WFKC1:West Fork Heliport               1.7    0.7    0.2    lgt   |   0.0   0.0
BDDC1:Big Dalton Dam                   0.9    0.5    0.2    lgt   |   0.0   0.0
PCDC1:Pacoima Dam                      0.9    0.3    0.1    lgt   |   lgt   0.0
FLTC1:La Canada Flintridge             1.0    0.4    0.1    lgt   |   0.0   0.0
SAUC1:Saugus                           0.7    0.2    lgt    lgt   |   0.0   0.0
CQT:Downtown LA                        0.5    0.3    lgt    lgt   |   0.0   0.0
MLUC1:Malibu Big Rock Mesa             0.4    0.2    lgt    lgt   |   lgt   0.0

1-Hr Rates:              Coasts/Valleys   Foothills/Mountains
Expected Peak (in/hr):   0.30-0.50        0.55-0.95
Probability 0.50+ in/hr: 50%              100%
Probability 1.00+ in/hr: <5%              45%

Peak rates expected to occur between: 0400-1000

Chance of Thunderstorms: 40%
Isolated rates around 2.0 in/hr possible near thunderstorms.

&&

DISCUSSION:

A strong storm system will bring rain, heavy at times to the area
this morning. Lingering post frontal showers will then continue into
the early evneing. Rainfall totals will range from 0.75 and 1.50
inches, except 2.00 to 4.00 inches across the favorable south facing
slopes perhaps anywhere a strong TSTM forms. An isolated reading of
5 inches is possible over the eastern San Gabriels. Peak rainfall
rates of 0.33 to 0.66 inches per hour will be common. Isolated rates
to around 1.00 inches per hour are also possible over the south
facing slopes and under convective bursts.

Dry conditions will occur for Wedesday through the weekend.

$$

The last routine issuance of this product for this rainy season
was on April 30. Routine issuances will resume on Nov 1.
Non-routine issuances of this product will occur should widespread
precipitation be expected.