Quantitative Precipitation Statement
Issued by NWS San Diego, CA

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FSUS46 KSGX 181121
QPSSGX

QUANTITATIVE PRECIPITATION FORECAST
NATIONAL WEATHER SERVICE SAN DIEGO CA
321 AM PST WED JAN 18 2017

PRECIPITATION FORECAST IN INCHES IN 6-HOUR PERIODS...
   [ BEGINNING TIMES FOR EACH PERIOD IN LOCAL TIME...                    ]
   [ FOR EXAMPLE...04THU                                                 ]
   [            ...10THU IS A FORECAST FOR  4 AM TO 10 AM THURSDAY       ]
   [ FOR EXAMPLE...22THU                                                 ]
   [            ...04FRI IS A FORECAST FOR  10 PM THURSDAY TO 4 AM FRIDAY]


...ORANGE COUNTY COASTAL AREAS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   HUNTINGTON BEACH
   0.00  0.00  0.03  0.12  0.39  0.03  0.01  0.00  0.21  0.87  0.05  0.03
   NEWPORT BEACH
   0.00  0.00  0.04  0.10  0.48  0.04  0.02  0.02  0.21  0.79  0.12  0.05
   LAGUNA BEACH
   0.00  0.00  0.04  0.13  0.53  0.06  0.02  0.03  0.21  0.91  0.18  0.06
   SAN CLEMENTE
   0.00  0.00  0.03  0.08  0.48  0.06  0.04  0.04  0.26  0.89  0.19  0.05


...ORANGE COUNTY INLAND...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   ANAHEIM
   0.00  0.00  0.06  0.12  0.46  0.05  0.05  0.02  0.29  1.02  0.09  0.02
   FULLERTON
   0.00  0.00  0.03  0.18  0.43  0.03  0.03  0.01  0.28  0.81  0.07  0.02
   BREA
   0.00  0.00  0.04  0.16  0.48  0.05  0.08  0.02  0.32  0.93  0.10  0.02
   VILLA PARK
   0.00  0.00  0.03  0.12  0.52  0.06  0.05  0.02  0.27  1.01  0.13  0.06


...SANTA ANA MOUNTAINS AND FOOTHILLS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   FREMONT CANYON
   0.00  0.00  0.03  0.11  0.60  0.07  0.06  0.02  0.28  1.04  0.18  0.09
   SILVERADO CANYON, 3 MI EAST OF SILVERADO
   0.00  0.00  0.06  0.16  1.06  0.12  0.22  0.05  0.38  1.42  0.41  0.20
   MODJESKA PRESERVE
   0.00  0.00  0.05  0.15  0.90  0.09  0.15  0.03  0.33  1.28  0.36  0.11
   SANTIAGO PEAK
   0.00  0.00  0.05  0.16  1.23  0.13  0.15  0.03  0.39  1.54  0.62  0.18
   SANTA ROSA PLATEAU
   0.00  0.00  0.06  0.04  0.64  0.08  0.04  0.04  0.24  1.19  0.26  0.15


...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   ONTARIO
   0.00  0.00  0.02  0.12  0.54  0.10  0.04  0.03  0.28  0.99  0.15  0.04
   SAN BERNARDINO
   0.00  0.00  0.02  0.08  0.45  0.09  0.04  0.01  0.19  0.82  0.13  0.05
   BEAUMONT
   0.00  0.00  0.04  0.06  0.61  0.17  0.09  0.04  0.20  0.97  0.32  0.10
   RIVERSIDE
   0.00  0.00  0.01  0.07  0.40  0.06  0.06  0.02  0.21  0.67  0.15  0.03
   PERRIS VALLEY CHANNEL
   0.00  0.00  0.02  0.05  0.47  0.09  0.04  0.01  0.16  0.76  0.19  0.06
   PRADO DAM
   0.00  0.00  0.02  0.08  0.50  0.06  0.08  0.01  0.23  0.85  0.17  0.02
   TEMECULA
   0.00  0.00  0.03  0.02  0.41  0.08  0.04  0.04  0.17  0.93  0.23  0.10
   HEMET
   0.00  0.00  0.01  0.02  0.41  0.19  0.08  0.03  0.14  0.79  0.43  0.15


...RIVERSIDE COUNTY MOUNTAINS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   IDYLLWILD
   0.00  0.00  0.05  0.13  1.18  0.58  0.34  0.14  0.28  1.76  1.01  0.54


...COACHELLA VALLEY...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   PALM SPRINGS
   0.00  0.00  0.00  0.00  0.13  0.09  0.01  0.01  0.03  0.27  0.10  0.02
   THERMAL
   0.00  0.00  0.01  0.01  0.05  0.04  0.00  0.01  0.02  0.11  0.09  0.02


...SAN BERNARDINO COUNTY MOUNTAINS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   SAN ANTONIO DAM
   0.00  0.00  0.06  0.30  1.21  0.33  0.12  0.03  0.44  1.85  0.41  0.09
   LYTLE CREEK
   0.00  0.00  0.05  0.29  1.16  0.22  0.10  0.03  0.34  1.47  0.27  0.09
   WRIGHTWOOD
   0.00  0.00  0.11  0.22  0.85  0.17  0.09  0.01  0.25  1.09  0.27  0.06
   LAKE ARROWHEAD
   0.00  0.00  0.04  0.18  1.01  0.30  0.18  0.05  0.25  1.35  0.34  0.16
   BIG BEAR LAKE
   0.00  0.00  0.05  0.08  0.55  0.25  0.14  0.02  0.12  0.72  0.37  0.19
   BIG MORONGO CANYON
   0.00  0.00  0.00  0.02  0.37  0.10  0.03  0.01  0.04  0.50  0.11  0.05


...APPLE AND LUCERNE VALLEYS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   HESPERIA
   0.00  0.00  0.07  0.02  0.18  0.05  0.02  0.01  0.04  0.26  0.06  0.03
   VICTORVILLE
   0.00  0.00  0.06  0.02  0.13  0.04  0.01  0.00  0.04  0.20  0.05  0.01
   APPLE VALLEY
   0.00  0.00  0.05  0.02  0.12  0.03  0.01  0.00  0.03  0.15  0.04  0.01


...SAN DIEGO COUNTY COASTAL AREAS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   OCEANSIDE
   0.00  0.00  0.03  0.04  0.40  0.07  0.04  0.02  0.25  0.72  0.23  0.08
   MIRAMAR
   0.00  0.00  0.01  0.04  0.50  0.14  0.05  0.02  0.11  0.64  0.33  0.10
   SAN DIEGO INTERNATIONAL AIRPORT
   0.00  0.00  0.01  0.03  0.49  0.14  0.04  0.03  0.10  0.55  0.27  0.09
   CHULA VISTA
   0.00  0.00  0.01  0.03  0.29  0.08  0.04  0.03  0.10  0.52  0.29  0.09
   SAN YSIDRO
   0.00  0.00  0.01  0.03  0.28  0.13  0.04  0.04  0.07  0.50  0.37  0.09


...SAN DIEGO COUNTY VALLEYS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   FALLBROOK
   0.00  0.00  0.03  0.03  0.45  0.08  0.07  0.03  0.27  0.91  0.26  0.08
   RANCHO BERNARDO
   0.00  0.00  0.01  0.03  0.59  0.11  0.08  0.04  0.21  0.76  0.30  0.11
   LA MESA
   0.00  0.00  0.01  0.04  0.56  0.16  0.05  0.04  0.13  0.65  0.35  0.11
   EL CAJON
   0.00  0.00  0.01  0.02  0.53  0.17  0.09  0.04  0.13  0.65  0.40  0.14


...SAN DIEGO COUNTY MOUNTAINS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   PALOMAR MOUNTAIN
   0.00  0.00  0.03  0.03  0.89  0.25  0.12  0.08  0.30  1.51  0.73  0.38
   JULIAN
   0.00  0.00  0.03  0.03  0.69  0.46  0.17  0.17  0.32  1.14  0.84  0.32
   MOUNT LAGUNA
   0.00  0.00  0.02  0.05  0.59  0.51  0.11  0.10  0.21  1.01  0.92  0.53
   CAMPO
   0.00  0.00  0.01  0.03  0.42  0.26  0.08  0.08  0.17  0.87  0.69  0.25


...SAN DIEGO COUNTY DESERTS...

   04WED 10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI
   10WED 16WED 22WED 04THU 10THU 16THU 22THU 04FRI 10FRI 16FRI 22FRI 04SAT

   BORREGO SPRINGS
   0.00  0.00  0.00  0.01  0.12  0.07  0.02  0.01  0.03  0.33  0.37  0.17

$$

DISCUSSION...
HIGH PRESSURE ALOFT WILL CONTINUE DRY WEATHER TODAY.

THREE STORMS WILL MOVE THROUGH SOUTHERN CALIFORNIA TONIGHT THROUGH
EARLY TUESDAY. EACH STORM WILL BRING SIGNIFICANT RAINFALL WITH
SOME ADDITIONAL SHOWERS IN BETWEEN THE STORMS. THE FIRST STORM
WILL BRING A PERIOD OF MODERATE TO HEAVY RAIN THURSDAY MORNING.
THE SECOND STORM WILL BRING HEAVY RAIN FRIDAY. THE THIRD STORM
WILL BRING RAIN SUNDAY AND MONDAY. EACH STORM WILL BRING HEAVY
MOUNTAIN SNOW, WITH VARIABLE SNOW LEVELS BETWEEN 4000 AND 7000
FEET. THUNDERSTORMS WILL BE POSSIBLE WITH ANY OF THESE STORMS AS
WELL, AND THEY COULD BRING LOCALLY HEAVY RAINFALL.

FOR THE PERIOD FROM WEDNESDAY NIGHT THROUGH NEXT MONDAY...PRELIMINARY
RAINFALL TOTALS...

COAST...........2 TO 5 INCHES.
VALLEYS.........3 TO 6 INCHES.
MOUNTAINS.......6 TO 12 INCHES, WITH LOCALLY HIGHER AMOUNTS IN SAN
BERNARDINO COUNTY.
UPPER DESERTS...1 TO 3 INCHES.
LOWER DESERTS...0.75 TO 1.5 INCHES.

FLOODING WILL BE POSSIBLE, ESPECIALLY FROM FRIDAY THROUGH MONDAY.

SNOWFALL WILL BE QUITE VARIABLE, ESPECIALLY WITH THE PERIODIC
CHANGES IN SNOW LEVELS, BUT SOME LOCATIONS AT AND ABOVE 7000 FEET
IN SAN BERNARDINO COUNTY COULD RECEIVE 2 TO 3 FEET OF SNOW
THROUGH NEXT MONDAY. A FOOT OR MORE OF SNOW COULD FALL AS LOW AS
5000 FEET IN SAN BERNARDINO AND RIVERSIDE COUNTIES. THE SAN DIEGO
COUNTY MOUNTAINS WILL LIKELY ONLY RECEIVE A FEW INCHES OF SNOW AT
HIGHEST ELEVATIONS.

$$



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