Quantitative Precipitation Statement
Issued by NWS San Diego, CA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
000
FSUS46 KSGX 182308
QPSSGX

QUANTITATIVE PRECIPITATION FORECAST
NATIONAL WEATHER SERVICE SAN DIEGO CA
308 PM 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...

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

   HUNTINGTON BEACH
   0.03  0.09  0.40  0.02  0.01  0.01  0.23  0.87  0.05  0.03
   NEWPORT BEACH
   0.04  0.10  0.43  0.03  0.02  0.02  0.20  0.79  0.13  0.05
   LAGUNA BEACH
   0.04  0.12  0.48  0.05  0.02  0.04  0.20  0.91  0.15  0.06
   SAN CLEMENTE
   0.03  0.09  0.48  0.05  0.04  0.05  0.23  0.89  0.17  0.05


...ORANGE COUNTY INLAND...

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

   ANAHEIM
   0.06  0.14  0.41  0.04  0.05  0.02  0.31  1.02  0.10  0.02
   FULLERTON
   0.03  0.17  0.39  0.03  0.03  0.01  0.28  0.81  0.07  0.02
   BREA
   0.04  0.21  0.45  0.04  0.07  0.02  0.31  0.93  0.09  0.02
   VILLA PARK
   0.03  0.13  0.53  0.05  0.05  0.02  0.33  1.01  0.18  0.06


...SANTA ANA MOUNTAINS AND FOOTHILLS...

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

   FREMONT CANYON
   0.03  0.14  0.63  0.07  0.06  0.03  0.32  1.04  0.25  0.09
   SILVERADO CANYON, 3 MI EAST OF SILVERADO
   0.06  0.22  1.08  0.11  0.21  0.05  0.42  1.42  0.43  0.20
   MODJESKA PRESERVE
   0.05  0.21  0.87  0.08  0.14  0.04  0.33  1.28  0.34  0.11
   SANTIAGO PEAK
   0.05  0.22  1.17  0.12  0.15  0.04  0.43  1.54  0.58  0.18
   SANTA ROSA PLATEAU
   0.06  0.07  0.63  0.08  0.04  0.04  0.24  1.19  0.24  0.15


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

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

   ONTARIO
   0.02  0.15  0.49  0.12  0.04  0.02  0.27  0.99  0.15  0.04
   SAN BERNARDINO
   0.02  0.08  0.40  0.13  0.04  0.01  0.23  0.82  0.11  0.05
   BEAUMONT
   0.04  0.08  0.60  0.16  0.09  0.05  0.25  0.97  0.32  0.10
   RIVERSIDE
   0.01  0.07  0.38  0.08  0.06  0.02  0.22  0.67  0.14  0.03
   PERRIS VALLEY CHANNEL
   0.02  0.05  0.41  0.07  0.04  0.01  0.16  0.76  0.23  0.06
   PRADO DAM
   0.02  0.08  0.48  0.08  0.08  0.02  0.28  0.85  0.20  0.02
   TEMECULA
   0.03  0.02  0.36  0.08  0.04  0.04  0.17  0.93  0.20  0.10
   HEMET
   0.01  0.02  0.35  0.17  0.08  0.03  0.17  0.79  0.43  0.15


...RIVERSIDE COUNTY MOUNTAINS...

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

   IDYLLWILD
   0.05  0.12  1.13  0.57  0.34  0.17  0.52  1.76  1.11  0.54


...COACHELLA VALLEY...

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

   PALM SPRINGS
   0.00  0.01  0.10  0.07  0.01  0.01  0.02  0.27  0.15  0.02
   THERMAL
   0.00  0.01  0.04  0.03  0.00  0.01  0.02  0.11  0.08  0.02


...SAN BERNARDINO COUNTY MOUNTAINS...

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

   SAN ANTONIO DAM
   0.06  0.33  1.07  0.28  0.12  0.03  0.46  1.85  0.40  0.09
   LYTLE CREEK
   0.05  0.30  1.02  0.19  0.10  0.02  0.37  1.47  0.29  0.09
   WRIGHTWOOD
   0.11  0.26  0.75  0.15  0.09  0.01  0.33  1.09  0.25  0.06
   LAKE ARROWHEAD
   0.04  0.21  0.97  0.33  0.18  0.06  0.34  1.35  0.39  0.16
   BIG BEAR LAKE
   0.05  0.08  0.52  0.27  0.14  0.03  0.16  0.72  0.44  0.19
   BIG MORONGO CANYON
   0.00  0.01  0.33  0.17  0.03  0.01  0.04  0.50  0.16  0.05


...APPLE AND LUCERNE VALLEYS...

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

   HESPERIA
   0.07  0.03  0.14  0.05  0.02  0.01  0.04  0.26  0.06  0.03
   VICTORVILLE
   0.06  0.02  0.10  0.03  0.01  0.01  0.04  0.20  0.04  0.01
   APPLE VALLEY
   0.05  0.02  0.10  0.02  0.01  0.01  0.03  0.15  0.03  0.01


...SAN DIEGO COUNTY COASTAL AREAS...

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

   OCEANSIDE
   0.03  0.04  0.43  0.08  0.04  0.04  0.23  0.72  0.20  0.08
   MIRAMAR
   0.01  0.03  0.45  0.12  0.05  0.02  0.11  0.64  0.28  0.10
   SAN DIEGO INTERNATIONAL AIRPORT
   0.01  0.03  0.46  0.12  0.04  0.02  0.09  0.55  0.22  0.09
   CHULA VISTA
   0.01  0.02  0.26  0.07  0.04  0.03  0.13  0.52  0.24  0.09
   SAN YSIDRO
   0.01  0.02  0.26  0.11  0.04  0.06  0.09  0.50  0.31  0.09


...SAN DIEGO COUNTY VALLEYS...

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

   FALLBROOK
   0.03  0.03  0.42  0.08  0.07  0.02  0.27  0.91  0.25  0.08
   RANCHO BERNARDO
   0.01  0.02  0.51  0.11  0.09  0.06  0.20  0.76  0.27  0.11
   LA MESA
   0.01  0.03  0.49  0.14  0.05  0.04  0.14  0.65  0.29  0.11
   EL CAJON
   0.01  0.02  0.45  0.15  0.08  0.04  0.14  0.65  0.33  0.14


...SAN DIEGO COUNTY MOUNTAINS...

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

   PALOMAR MOUNTAIN
   0.03  0.03  0.83  0.30  0.13  0.09  0.51  1.51  0.72  0.38
   JULIAN
   0.03  0.02  0.65  0.48  0.18  0.23  0.41  1.14  0.88  0.32
   MOUNT LAGUNA
   0.02  0.04  0.54  0.53  0.11  0.15  0.33  1.01  0.88  0.53
   CAMPO
   0.01  0.02  0.35  0.23  0.08  0.08  0.18  0.87  0.65  0.25


...SAN DIEGO COUNTY DESERTS...

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

   BORREGO SPRINGS
   0.00  0.01  0.10  0.06  0.02  0.01  0.02  0.33  0.36  0.17

$$

DISCUSSION...
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...
FORECAST RAINFALL TOTALS...

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

FLOODING WILL BE POSSIBLE, ESPECIALLY ON FRIDAY AND THEN DURING
THE PERIOD SUNDAY 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 ARE FORECAST TO 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. SEVERAL
INCHES OF SNOW IS POSSIBLE ON THE HIGHEST PEAKS OF THE SAN DIEGO
COUNTY MOUNTAINS AS WELL...ESPECIALLY BY MONDAY AS SNOW LEVELS
LOWER.

$$
GREGORIA



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.