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 211320
QPSSGX

QUANTITATIVE PRECIPITATION FORECAST
NATIONAL WEATHER SERVICE SAN DIEGO CA
520 AM PST SAT JAN 21 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...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   HUNTINGTON BEACH
   0.00  0.00  0.00  0.01  0.09  0.49  0.75  0.29  0.30  0.09  0.05  0.01
   NEWPORT BEACH
   0.00  0.00  0.00  0.02  0.11  0.55  0.70  0.33  0.27  0.10  0.05  0.01
   LAGUNA BEACH
   0.00  0.00  0.00  0.03  0.12  0.57  0.68  0.28  0.29  0.11  0.06  0.02
   SAN CLEMENTE
   0.02  0.00  0.00  0.04  0.11  0.49  0.82  0.20  0.20  0.12  0.07  0.03


...ORANGE COUNTY INLAND...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   ANAHEIM
   0.00  0.00  0.00  0.04  0.14  0.64  1.05  0.33  0.35  0.16  0.09  0.01
   FULLERTON
   0.00  0.00  0.00  0.02  0.11  0.56  0.83  0.21  0.30  0.12  0.07  0.01
   BREA
   0.00  0.00  0.00  0.04  0.15  0.71  1.06  0.25  0.31  0.13  0.07  0.01
   VILLA PARK
   0.00  0.00  0.01  0.05  0.16  0.71  1.05  0.29  0.34  0.22  0.12  0.01


...SANTA ANA MOUNTAINS AND FOOTHILLS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   FREMONT CANYON
   0.00  0.00  0.01  0.06  0.16  0.70  1.13  0.31  0.36  0.19  0.10  0.01
   SILVERADO CANYON, 3 MI EAST OF SILVERADO
   0.04  0.01  0.02  0.10  0.23  0.92  1.68  0.58  0.62  0.31  0.17  0.02
   MODJESKA PRESERVE
   0.02  0.00  0.01  0.08  0.21  0.87  1.25  0.41  0.40  0.24  0.13  0.02
   SANTIAGO PEAK
   0.05  0.01  0.01  0.10  0.24  0.95  1.65  0.49  0.48  0.20  0.11  0.03
   SANTA ROSA PLATEAU
   0.01  0.00  0.01  0.04  0.09  0.38  1.38  0.34  0.28  0.20  0.11  0.05


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

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   ONTARIO
   0.00  0.00  0.01  0.05  0.15  0.66  0.94  0.28  0.24  0.13  0.07  0.01
   SAN BERNARDINO
   0.00  0.00  0.01  0.04  0.11  0.50  0.70  0.27  0.41  0.20  0.11  0.02
   BEAUMONT
   0.02  0.00  0.01  0.04  0.10  0.47  0.70  0.49  0.46  0.36  0.20  0.04
   RIVERSIDE
   0.00  0.00  0.00  0.05  0.12  0.48  0.27  0.12  0.26  0.16  0.09  0.01
   PERRIS VALLEY CHANNEL
   0.00  0.00  0.00  0.04  0.11  0.44  0.40  0.14  0.25  0.24  0.13  0.03
   PRADO DAM
   0.00  0.00  0.01  0.05  0.14  0.57  0.97  0.26  0.39  0.24  0.13  0.01
   TEMECULA
   0.00  0.00  0.00  0.02  0.07  0.29  0.82  0.27  0.37  0.20  0.11  0.07
   HEMET
   0.00  0.00  0.02  0.02  0.07  0.29  0.37  0.30  0.23  0.23  0.12  0.05


...RIVERSIDE COUNTY MOUNTAINS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   IDYLLWILD
   0.25  0.06  0.02  0.04  0.15  0.70  1.45  1.10  0.94  0.60  0.33  0.12


...COACHELLA VALLEY...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   PALM SPRINGS
   0.00  0.00  0.00  0.00  0.02  0.11  0.14  0.06  0.05  0.05  0.03  0.01
   THERMAL
   0.00  0.00  0.00  0.00  0.00  0.06  0.03  0.06  0.01  0.00  0.00  0.00


...SAN BERNARDINO COUNTY MOUNTAINS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   SAN ANTONIO DAM
   0.00  0.01  0.04  0.11  0.37  1.79  2.33  0.62  0.68  0.18  0.10  0.03
   LYTLE CREEK
   0.00  0.00  0.06  0.07  0.24  1.13  2.77  0.62  0.51  0.14  0.08  0.02
   WRIGHTWOOD
   0.00  0.00  0.01  0.05  0.18  0.89  2.30  0.85  0.58  0.22  0.12  0.02
   LAKE ARROWHEAD
   0.03  0.00  0.05  0.10  0.21  1.09  1.91  0.77  0.88  0.21  0.11  0.03
   BIG BEAR LAKE
   0.03  0.00  0.00  0.06  0.10  0.55  1.56  0.85  0.95  0.48  0.26  0.02
   BIG MORONGO CANYON
   0.00  0.00  0.00  0.02  0.05  0.27  1.06  0.40  0.49  0.16  0.09  0.02


...APPLE AND LUCERNE VALLEYS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   HESPERIA
   0.00  0.00  0.00  0.02  0.05  0.23  0.47  0.13  0.17  0.04  0.02  0.00
   VICTORVILLE
   0.00  0.00  0.00  0.01  0.04  0.18  0.21  0.09  0.06  0.04  0.02  0.00
   APPLE VALLEY
   0.00  0.00  0.00  0.01  0.03  0.14  0.13  0.06  0.07  0.03  0.02  0.00


...SAN DIEGO COUNTY COASTAL AREAS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   OCEANSIDE
   0.03  0.00  0.00  0.02  0.06  0.28  0.72  0.28  0.20  0.19  0.10  0.06
   MIRAMAR
   0.08  0.03  0.00  0.00  0.01  0.13  0.69  0.27  0.24  0.20  0.11  0.08
   SAN DIEGO INTERNATIONAL AIRPORT
   0.04  0.03  0.00  0.00  0.01  0.12  0.58  0.23  0.19  0.19  0.10  0.06
   CHULA VISTA
   0.03  0.04  0.00  0.00  0.00  0.10  0.55  0.22  0.17  0.22  0.12  0.06
   SAN YSIDRO
   0.03  0.02  0.00  0.00  0.01  0.11  0.57  0.30  0.18  0.24  0.13  0.07


...SAN DIEGO COUNTY VALLEYS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   FALLBROOK
   0.03  0.00  0.01  0.02  0.06  0.30  0.61  0.35  0.30  0.32  0.17  0.07
   RANCHO BERNARDO
   0.05  0.03  0.00  0.00  0.02  0.15  0.63  0.24  0.39  0.21  0.11  0.09
   LA MESA
   0.09  0.04  0.00  0.00  0.00  0.10  0.65  0.27  0.23  0.22  0.12  0.09
   EL CAJON
   0.15  0.04  0.00  0.00  0.00  0.09  0.65  0.29  0.23  0.20  0.11  0.09


...SAN DIEGO COUNTY MOUNTAINS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   PALOMAR MOUNTAIN
   0.14  0.05  0.00  0.01  0.05  0.27  1.98  0.85  0.76  0.58  0.31  0.13
   JULIAN
   0.37  0.12  0.00  0.00  0.02  0.18  1.13  1.05  0.80  0.35  0.19  0.14
   MOUNT LAGUNA
   0.38  0.09  0.00  0.00  0.01  0.13  1.10  1.07  0.61  0.48  0.26  0.09
   CAMPO
   0.22  0.04  0.00  0.00  0.00  0.16  0.73  0.63  0.48  0.49  0.27  0.12


...SAN DIEGO COUNTY DESERTS...

   04SAT 10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON
   10SAT 16SAT 22SAT 04SUN 10SUN 16SUN 22SUN 04MON 10MON 16MON 22MON 04TUE

   BORREGO SPRINGS
   0.06  0.01  0.00  0.00  0.00  0.07  0.10  0.08  0.60  0.14  0.08  0.02

$$

DISCUSSION...
SCATTERED SHOWERS WILL DECREASING TODAY INTO THIS EVENING WITH
GREATEST COVERAGE AND AMOUNTS ACROSS SAN DIEGO COUNTY.

THE THIRD AND MOST POWERFUL IN THIS SEQUENCE OF STORMS IS EXPECTED
FOR LATE SUNDAY INTO MONDAY WITH SHOWERS CONTINUING THROUGH
TUESDAY.

A PLUME OF HIGH PRECIPITABLE WATER VALUES WILL INCREASE TO AROUND
1.35 INCH FOR SUNDAY AFTERNOON AND EVENING...AROUND 300 PERCENT OF
NORMAL. SNOW LEVELS NEAR 5000 FEET EARLY SUNDAY...WILL RISE TO
AROUND 6500 TO 7000 FEET EARLY SUNDAY EVENING...THEN FALL TO
AROUND 5000 FEET LATE SUNDAY NIGHT...AND 3500 FEET MONDAY. SNOW
LEVELS MAY FALL TO AS LOW AS 2500 TO 3000 FEET FOR MONDAY NIGHT
AND EARLY TUESDAY.

RAIN AND SNOW IS EXPECTED TO DEVELOP SUNDAY...BECOMING HEAVY AT
TIMES FOR LATE SUNDAY AFTERNOON INTO SUNDAY EVENING. SHOWERS WILL
CONTINUE FOR LATE SUNDAY NIGHT AND MONDAY. THE COLDEST AIR ALOFT
WILL SPREAD INTO SOUTHERN CALIFORNIA MONDAY AFTERNOON...THEN
REMAIN IN PLACE THROUGH TUESDAY. NUMEROUS SHOWERS ARE EXPECTED
ALONG WITH A SLIGHT CHANCE FOR THUNDERSTORMS FOR MONDAY AFTERNOON
THROUGH TUESDAY.

FOR SUNDAY THROUGH TUESDAY...ADDITIONAL RAINFALL...

COAST..............1.5 TO 2.5 INCHES.
VALLEYS............2.5 TO 3.5 INCHES.
MOUNTAINS..........3.5 TO 6 INCHES, LOCALLY TO AROUND 8 INCHES.
UPPER DESERTS......0.5 TO 1 INCH.
LOWER DESERTS......0.50 INCH OR LESS.

THIS ADDITIONAL RAINFALL COULD BRING FLOODING TO PORTIONS OF THE
SAN DIEGO RIVER...SANTA MARGARITA RIVER...AND MOJAVE RIVER SUNDAY
NIGHT AND MONDAY.

$$

17



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