181  
FSUS46 KSGX 041001  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
301 AM PDT SAT MAY 4 2024  
 
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
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
HUNTINGTON BEACH  
0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
NEWPORT BEACH  
0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAGUNA BEACH  
0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN CLEMENTE  
0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..ORANGE COUNTY INLAND AREAS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
ANAHEIM  
0.00 0.00 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
FULLERTON  
0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BREA  
0.00 0.00 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VILLA PARK  
0.00 0.00 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
FREMONT CANYON  
0.00 0.00 0.01 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SILVERADO CANYON, 3 MI EAST OF SILVERADO  
0.00 0.00 0.02 0.22 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MODJESKA PRESERVE  
0.00 0.00 0.02 0.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTIAGO PEAK  
0.00 0.00 0.02 0.24 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTA ROSA PLATEAU  
0.00 0.00 0.00 0.10 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
ONTARIO  
0.00 0.00 0.00 0.09 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN BERNARDINO  
0.00 0.00 0.01 0.20 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BEAUMONT  
0.00 0.00 0.04 0.17 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RIVERSIDE  
0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PERRIS VALLEY CHANNEL  
0.00 0.00 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PRADO DAM  
0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
TEMECULA  
0.00 0.00 0.00 0.07 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
HEMET  
0.00 0.00 0.00 0.09 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
IDYLLWILD  
0.00 0.00 0.01 0.28 0.17 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..COACHELLA VALLEY
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
PALM 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  
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
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
SAN ANTONIO DAM  
0.00 0.00 0.03 0.26 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LYTLE CREEK  
0.00 0.00 0.02 0.36 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
WRIGHTWOOD  
0.00 0.00 0.01 0.23 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAKE ARROWHEAD  
0.00 0.00 0.06 0.49 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BIG BEAR LAKE  
0.00 0.00 0.02 0.21 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BIG MORONGO CANYON  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..APPLE AND LUCERNE VALLEYS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
HESPERIA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VICTORVILLE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
APPLE VALLEY  
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 DIEGO COUNTY COASTAL AREAS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
OCEANSIDE  
0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MIRAMAR  
0.00 0.00 0.00 0.04 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN DIEGO INTERNATIONAL AIRPORT  
0.00 0.00 0.00 0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CHULA VISTA  
0.00 0.00 0.00 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN YSIDRO  
0.00 0.00 0.00 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY VALLEYS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
FALLBROOK  
0.00 0.00 0.00 0.09 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RANCHO BERNARDO  
0.00 0.00 0.01 0.07 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LA MESA  
0.00 0.00 0.00 0.04 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CAJON  
0.00 0.00 0.00 0.05 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
PALOMAR MOUNTAIN  
0.00 0.00 0.00 0.10 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
JULIAN  
0.00 0.00 0.03 0.13 0.22 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MOUNT LAGUNA  
0.00 0.00 0.00 0.02 0.25 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CAMPO  
0.00 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY DESERTS
 
 
05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON  
11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON 11MON 17MON 23MON 05TUE  
 
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...  
 
A QUICK MOVING COLD FRONT AND WEAK ATMOSPHERIC RIVER WILL BRING  
LIGHT TO LOCALLY MODERATE RAIN TONIGHT INTO SUNDAY MORNING.  
RAINFALL RATES WILL MOSTLY BE 0.15 INCH/HOUR OR LESS, LOCALLY UP  
TO 0.35 INCH/HOUR ALONG THE SOUTHWEST FACING SLOPES OF THE SAN  
BERNARDINO MOUNTAINS. RAINFALL TOTALS WILL RANGE FROM AROUND 0.05  
INCH TO 0.25 INCH FOR THE COAST TO THE FOOTHILLS, AND 0.25-0.50  
INCH WITH ISOLATED AMOUNTS TO 0.75 INCH IN THE MOUNTAINS, HIGHEST  
IN THE SAN BERNARDINO MOUNTAINS. ANY ACCUMULATION IN THE HIGH  
DESERT WILL BE LESS THAN 0.05 INCH, WITH NO ACCUMULATION EXPECTED  
IN THE LOW DESERTS. DRY WEATHER WILL PREVAIL SUNDAY AFTERNOON  
THROUGH THE REMAINDER OF THE WEEK.  
 

 
 
SS  
 
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