285  
FSUS46 KSGX 181033  
QPSSGX  
 
QUANTITATIVE PRECIPITATION FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
333 AM PDT MON OCT 18 2021  
 
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
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
HUNTINGTON BEACH  
0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
NEWPORT BEACH  
0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LAGUNA BEACH  
0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN CLEMENTE  
0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..ORANGE COUNTY INLAND AREAS
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
ANAHEIM  
0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
FULLERTON  
0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BREA  
0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
VILLA PARK  
0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SANTA ANA MOUNTAINS AND FOOTHILLS
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
FREMONT CANYON  
0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SILVERADO CANYON, 3 MI EAST OF SILVERADO  
0.06 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MODJESKA PRESERVE  
0.07 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTIAGO PEAK  
0.07 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SANTA ROSA PLATEAU  
0.03 0.01 0.00 0.00 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
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
ONTARIO  
0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN BERNARDINO  
0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
BEAUMONT  
0.04 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RIVERSIDE  
0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PERRIS VALLEY CHANNEL  
0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
PRADO DAM  
0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
TEMECULA  
0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
HEMET  
0.03 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..RIVERSIDE COUNTY MOUNTAINS
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
IDYLLWILD  
0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..COACHELLA VALLEY
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
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
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
SAN ANTONIO DAM  
0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LYTLE CREEK  
0.11 0.00 0.00 0.00 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 0.00 0.00  
LAKE ARROWHEAD  
0.09 0.06 0.00 0.00 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 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
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
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
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
OCEANSIDE  
0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
MIRAMAR  
0.06 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN DIEGO INTERNATIONAL AIRPORT  
0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
CHULA VISTA  
0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
SAN YSIDRO  
0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY VALLEYS
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
FALLBROOK  
0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
RANCHO BERNARDO  
0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
LA MESA  
0.04 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
EL CAJON  
0.04 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
 
   
..SAN DIEGO COUNTY MOUNTAINS
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
PALOMAR MOUNTAIN  
0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
JULIAN  
0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 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 0.00 0.00  
CAMPO  
0.01 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 DESERTS
 
 
05MON 11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED  
11MON 17MON 23MON 05TUE 11TUE 17TUE 23TUE 05WED 11WED 17WED 23WED 05THU  
 
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 LOW PRESSURE SYSTEM WILL MOVE INLAND THROUGH CALIFORNIA TODAY.  
SOME LIGHT RAIN IS EXPECTED FROM A DEEP MARINE LAYER FROM THE  
COAST INTO THE MOUNTAINS THIS MORNING WITH SHOWERS NEAR THE  
MOUNTAINS DIMINISHING IN THE AFTERNOON. RAINFALL IN MOST AREAS  
WILL BE ONE-TENTH INCH OR LESS WITH ISOLATED RAINFALL TO AROUND  
ONE-QUARTER INCH ON THE COASTAL SLOPES OF THE MOUNTAINS. DRY  
WEATHER WILL THEN FOLLOW THROUGH THE END OF THE WEEK.  
 

 
 
17  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page