Quantitative Precipitation Statement
Issued by NWS San Diego, CA

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FSUS46 KSGX 221113
QPSSGX

Quantitative Precipitation Forecast
National Weather Service San Diego CA
413 AM PDT Wed May 22 2019

Precipitation Forecast in Inches in 6-Hour Periods...
   [ Beginning times for each period are in local time...               ]
   [ For example...05Thu                                                ]
   [            ...11Thu is a forecast for 5 AM to 11 AM Thursday       ]
   [ For example...23Thu                                                ]
   [            ...05Fri is a forecast for 11 PM Thursday to 5 AM Friday]


...Orange County Coastal Areas...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Huntington Beach
   0.00  0.00  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Newport Beach
   0.00  0.00  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Laguna Beach
   0.00  0.00  0.00  0.00  0.02  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   San Clemente
   0.00  0.00  0.02  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...Orange County Inland Areas...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Anaheim
   0.00  0.02  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Fullerton
   0.00  0.01  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Brea
   0.00  0.03  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Villa Park
   0.00  0.04  0.01  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...Santa Ana Mountains And Foothills...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Fremont Canyon
   0.00  0.06  0.03  0.00  0.03  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Silverado Canyon, 3 Mi East of Silverado
   0.00  0.12  0.06  0.00  0.06  0.03  0.00  0.00  0.00  0.00  0.00  0.00
   Modjeska Preserve
   0.00  0.05  0.05  0.00  0.06  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Santiago Peak
   0.01  0.09  0.08  0.00  0.09  0.04  0.00  0.00  0.00  0.00  0.00  0.00
   Santa Rosa Plateau
   0.00  0.02  0.06  0.06  0.09  0.01  0.00  0.00  0.00  0.00  0.00  0.00


...San Bernardino And Riverside County Valleys-The Inland Empire...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Ontario
   0.00  0.23  0.05  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   San Bernardino
   0.01  0.09  0.04  0.00  0.00  0.02  0.00  0.00  0.00  0.00  0.00  0.00
   Beaumont
   0.01  0.26  0.24  0.05  0.07  0.05  0.00  0.00  0.00  0.00  0.00  0.00
   Riverside
   0.00  0.21  0.04  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Perris Valley Channel
   0.00  0.22  0.06  0.00  0.01  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Prado Dam
   0.00  0.23  0.05  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Temecula
   0.00  0.12  0.07  0.00  0.02  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Hemet
   0.00  0.32  0.19  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...Riverside County Mountains...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Idyllwild
   0.06  0.45  0.37  0.08  0.17  0.09  0.00  0.00  0.00  0.00  0.00  0.00


...Coachella Valley...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Palm Springs
   0.00  0.03  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Thermal
   0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...San Bernardino County Mountains...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   San Antonio Dam
   0.01  0.24  0.09  0.00  0.07  0.15  0.02  0.00  0.00  0.00  0.00  0.00
   Lytle Creek
   0.07  0.19  0.02  0.00  0.06  0.03  0.00  0.00  0.00  0.00  0.00  0.00
   Wrightwood
   0.01  0.10  0.01  0.00  0.03  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Lake Arrowhead
   0.06  0.26  0.10  0.11  0.30  0.14  0.03  0.00  0.00  0.00  0.00  0.00
   Big Bear Lake
   0.03  0.25  0.10  0.04  0.04  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Big Morongo Canyon
   0.00  0.35  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...Apple And Lucerne Valleys...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Hesperia
   0.00  0.04  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Victorville
   0.00  0.07  0.00  0.00  0.00  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Apple Valley
   0.00  0.05  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...San Diego County Coastal Areas...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Oceanside
   0.00  0.02  0.01  0.00  0.04  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Miramar
   0.02  0.05  0.03  0.02  0.04  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   San Diego International Airport
   0.02  0.06  0.04  0.00  0.02  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Chula Vista
   0.05  0.04  0.04  0.01  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   San Ysidro
   0.07  0.08  0.06  0.01  0.01  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...San Diego County Valleys...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Fallbrook
   0.00  0.01  0.01  0.02  0.04  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   Rancho Bernardo
   0.01  0.07  0.03  0.01  0.03  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   La Mesa
   0.05  0.09  0.09  0.03  0.03  0.00  0.00  0.00  0.00  0.00  0.00  0.00
   El Cajon
   0.03  0.06  0.04  0.02  0.03  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...San Diego County Mountains...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Palomar Mountain
   0.13  0.24  0.12  0.03  0.07  0.02  0.00  0.00  0.00  0.00  0.00  0.00
   Julian
   0.22  0.31  0.26  0.06  0.07  0.02  0.00  0.00  0.00  0.00  0.00  0.00
   Mount Laguna
   0.22  0.31  0.10  0.04  0.03  0.01  0.00  0.00  0.00  0.00  0.00  0.00
   Campo
   0.22  0.15  0.11  0.05  0.03  0.00  0.00  0.00  0.00  0.00  0.00  0.00


...San Diego County Deserts...

   05Wed 11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri
   11Wed 17Wed 23Wed 05Thu 11Thu 17Thu 23Thu 05Fri 11Fri 17Fri 23Fri 05Sat

   Borrego Springs
   0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00

$$

DISCUSSION...
Scattered, mostly light showers will continue this morning, mainly
along the coastal slopes of the mountains of San Bernardino and
Riverside Counties and in San Diego County along and west of the
mountains.

A cold low pressure system from the north will bring more
widespread showers for this afternoon and early evening along with
a slight chance of thunderstorms. Given the convective nature of
the precipiation, amounts will be highly variable, but general
amounts will range from less than one quarter inch at the coast to
0.75 to 1.25 inch in the mountains with local amounts to around
1.5 inch. Hourly rainfall rates of around one half inch per hour
are possible with the stronger showers and isolated thunderstorms.
The snow level will be near 5500 to 6000 feet with an inch or two
of snow possible down around 5500 feet and amounts of 4 or more
inches mostly 7500 feet and above.

Showers will decrease from the northwest tonight, but could
linger for some areas along and west of the mountains through
Thursday morning and near the mountains for much of the day.

$$



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