317  
FSUS46 KSGX 112114  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
214 PM PDT FRI MAY 11 2018  
 
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
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
HUNTINGTON BEACH  
0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
NEWPORT BEACH  
0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAGUNA BEACH  
0.07 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN CLEMENTE  
0.03 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..ORANGE COUNTY INLAND AREAS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
ANAHEIM  
0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
FULLERTON  
0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BREA  
0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VILLA PARK  
0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
FREMONT CANYON  
0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SILVERADO CANYON, 3 MI EAST OF SILVERADO  
0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MODJESKA PRESERVE  
0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTIAGO PEAK  
0.06 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTA ROSA PLATEAU  
0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
ONTARIO  
0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN BERNARDINO  
0.05 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BEAUMONT  
0.01 0.03 0.01 0.00 0.01 0.01 0.00 0.00 0.00 0.00  
RIVERSIDE  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PERRIS VALLEY CHANNEL  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PRADO DAM  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
TEMECULA  
0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
HEMET  
0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
IDYLLWILD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..COACHELLA VALLEY
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
PALM SPRINGS  
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  
 
   
..SAN BERNARDINO COUNTY MOUNTAINS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
SAN ANTONIO DAM  
0.02 0.04 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
LYTLE CREEK  
0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
WRIGHTWOOD  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAKE ARROWHEAD  
0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BIG BEAR LAKE  
0.00 0.00 0.00 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  
 
   
..APPLE AND LUCERNE VALLEYS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
HESPERIA  
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  
APPLE VALLEY  
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
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
OCEANSIDE  
0.04 0.05 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MIRAMAR  
0.04 0.03 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN DIEGO INTERNATIONAL AIRPORT  
0.02 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CHULA VISTA  
0.02 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN YSIDRO  
0.01 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY VALLEYS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
FALLBROOK  
0.06 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RANCHO BERNARDO  
0.03 0.02 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00  
LA MESA  
0.04 0.03 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CAJON  
0.04 0.03 0.02 0.00 0.01 0.01 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
PALOMAR MOUNTAIN  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
JULIAN  
0.02 0.03 0.02 0.02 0.01 0.01 0.00 0.00 0.00 0.00  
MOUNT LAGUNA  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CAMPO  
0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY DESERTS
 
 
17FRI 23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN  
23FRI 05SAT 11SAT 17SAT 23SAT 05SUN 11SUN 17SUN 23SUN 05MON  
 
BORREGO SPRINGS  
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 

 
 
DISCUSSION...  
LIGHT SHOWERS WILL DEVELOP TONIGHT AND CONTINUE THROUGH SATURDAY.  
THE SHOWERS WILL BE FOCUSED ALONG THE COAST AND THE LOWER COASTAL  
MOUNTAINS SLOPES. INLAND VALLEYS WILL ALSO RECEIVE SHOWERS AS  
WELL. RAINFALL AMOUNTS AT MOST LOCALES WEST OF THE MOUNTAINS WILL  
RANGE FROM A FEW HUNDREDTHS TO A TENTH OF AN INCH, BUT A QUARTER  
INCH IS POSSIBLE, PARTICULARLY ACROSS SAN DIEGO COUNTY. NO RAIN  
WILL OCCUR ACROSS THE DESERTS.  
 

 
GREGORIA  
 
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