584  
FXUS66 KLOX 192116  
AFDLOX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
216 PM PDT THU MAR 19 2026  
   
SYNOPSIS  
19/134 PM.  
 
TEMPERATURES WILL REMAIN WELL ABOVE NORMAL THROUGH NEXT WEEK,  
THOUGH SOME COOLING IS EXPECTED THIS WEEKEND. AREAS OF DENSE  
COASTAL FOG IS POSSIBLE THROUGH THE WEEKEND AS WELL. TEMPERATURES  
WILL TREND UPWARD AGAIN NEXT WEEK BUT ARE NOT EXPECTED TO BE AS  
HOT AS THIS WEEK.  
 
 
   
SHORT TERM (TDY-SUN)  
19/202 PM.  
 
IN GENERAL TEMPERATURES TODAY ARE EITHER THE SAME OR A FEW DEGREES  
COOLER THAN YESTERDAY. EXPECTING ONE MORE DAY OF SIMILAR  
TEMPERATURES BEFORE THE CURRENT HIGH PRESSURE SYSTEM STARTS  
SHIFTING INTO AZ WHICH WILL INITIATE A BRIEF COOLING TREND  
OVER THE WEEKEND. MOST AREAS EXCEPT THE FAR INTERIOR WILL  
EXPERIENCE 5-10 DEGREES OF COOLING THIS WEEKEND, THOUGH THAT STILL  
KEEPS HIGHS 10-20 DEGREES ABOVE NORMAL. A SHALLOW MARINE LAYER HAS  
BEGUN TO FORM OVER THE COASTAL WATERS AND MANY BEACHES WILL START  
OUT WITH DENSE FOG THE NEXT FEW DAYS AND THAT WILL HELP COOL OFF  
THE COASTAL AREAS.  
 
IN THE MEANTIME, IT CONTINUES TO BE VERY HOT WITH TEMPERATURES  
20-30 DEGREES ABOVE NORMAL HEAT ADVISORIES AND EXTREME HEAT  
WARNINGS REMAIN IN EFFECT THROUGH FRIDAY. BASED ON THE CURRENT  
FORECAST, THERE IS ONLY ABOUT A 30% CHANCE OF EXTENDING HEAT  
ADVISORIES INTO SATURDAY, AND THOSE WOULD MOST LIKELY BE IN THE  
INLAND AREAS.  
   
LONG TERM (MON-THU)  
19/215 PM.  
 
TEMPERATURES WILL SLOWLY START TO INCREASE ACROSS INLAND AREAS  
SUNDAY AND FOR COASTAL AREAS ON MONDAY. NOT EXPECTING  
TEMPERATURES TO BE AS HOT AS THIS WEEK, BUT STILL 15-20 DEGREES  
ABOVE NORMAL, WITH A LESS THAN 5% CHANCE OF REACHING 100 IN THE  
VALLEYS.  
 
ADDITIONAL RAIN POSSIBILITIES STILL LOOK VERY BLEAK THROUGH THE  
END OF THE MONTH. SOME MODELS INDICATE SOME VERY LIGHT RAIN IN  
EARLY APRIL BUT AMOUNTS ARE MOSTLY UNDER A TENTH OF AN INCH.  
 
 
   
AVIATION  
19/1727Z.  
 
AT 1648Z AT KLAX, THE MARINE LAYER WAS 1000 FT DEEP, AND THE  
INVERSION WAS UP TO 2800 FT WITH A MAXIMUM TEMPERATURE OF 27 C.  
 
HIGH CONFIDENCE IN KWJF, KPMD, KBUR, KVNY. LOW TO MODERATE  
CONFIDENCE IN OTHER SITES. THERE IS A 20-40% CHANCE OF VLIFR-IFR  
CONDS FOR KPRB, KSBP, KSMX, KSBA AND KCMA SOMETIME BETWEEN 06Z-16Z  
FRI. ADDITIONALLY THERE IS A 20% CHANCE OF VFR-MVFR CONDS THROUGH  
THE PERIOD AT KOXR, KSMO, KLAX, AND KLGB.  
 
KLAX...LOW TO MODERATE CONFIDENCE IN TAF. THERE IS A 40% CHANCE  
OF 1/4-1/2 FG BKN002 SOMETIMES BETWEEN 05Z-17Z FRI. OTHERWISE HIGH  
CONFIDENCE IN VFR CONDITIONS AND ANY EAST WINDS STAYING UNDER 6 KT.  
 
KBUR...HIGH CONFIDENCE IN TAF.  
 
 
   
MARINE  
19/958 AM.  
 
CONDITIONS ARE LIKELY TO REMAIN BELOW SMALL CRAFT ADVISORY (SCA)  
LEVELS THROUGH AT LEAST FRIDAY. THERE IS A 20 PERCENT CHANCE FOR  
BRIEF SCA LEVEL WINDS FOR THE WATERS NORTH OF POINT SAL THIS  
EVENING. SCA CONDITIONS ARE LIKELY TO DEVELOP SATURDAY AFTERNOON  
THROUGH SUNDAY ACROSS THE OUTER WATERS AND THE NEARSHORE WATERS  
ALONG THE CENTRAL COAST. SEAS WILL REACH 8-12 FEET, AND THERE IS A  
LOW (15-25 PERCENT) CHANCE OF GALE FORCE WINDS, HIGHEST FROM  
AROUND POINT ARGUELLO SOUTH TO SAN NICOLAS ISLAND.  
 
AREAS OF DENSE FOG ARE LIKELY TO BE WIDESPREAD TONIGHT INTO  
FRIDAY MORNING.  
 
 
   
LOX WATCHES/WARNINGS/ADVISORIES  
 
CA...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY FOR  
ZONES  
38-87-340-341-343-344-346>350-354-355-362-366-367-549-550. (SEE LAXNPWLOX).  
HEAT ADVISORY IN EFFECT UNTIL 8 PM PDT FRIDAY FOR ZONES  
38-87-343-344. (SEE LAXNPWLOX).  
EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM PDT FRIDAY FOR  
ZONES 88-342-345-351>353-356>358-368>376-378>380-548. (SEE LAXNPWLOX).  
PZ...NONE.  
 
 
 
 
 
PUBLIC...MW  
AVIATION...SCHOENFELD  
MARINE...SCHOENFELD  
SYNOPSIS...MW  
 
WEATHER.GOV/LOSANGELES  
 
EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK AT:  
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=LOX  
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