995
FXUS66 KLOX 261746
AFDLOX
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1046 AM PDT FRI JUN 26 2026
UPDATED AVIATION SECTION
SYNOPSIS
25/1152 PM.
MARINE LAYER CLOUDS WITH PATCHY FOG WILL REOCCUR EACH NIGHT FROM
THE COASTS TO THE COASTAL VALLEYS, EXPANDING INTO THE VALLEYS
OVER THE WEEKEND. TEMPERATURES WILL TREND COOLER, WITH BELOW
NORMAL TEMPERATURES THROUGH SUNDAY. A SLOW WARMING TREND WILL
BEGIN ON MONDAY.
SHORT TERM (TDY-SUN)
26/941 AM.
***UPDATE***
MORNING SATELLITE SHOWS THE MARINE LAYER IN PLACE ALONG THE COAST
WITH THE TOP OF THE LAYER AROUND 2500 FEET, ALTHOUGH IT IS VERY
SLOWLY BEGINNING TO ERODE IN PLACES. MID- TO HIGH CLOUDS CAN ALSO
BE SEEN SHIFTING INTO SOUTHERN CA. AS PRESSURE HEIGHTS CONTINUE
TO FALL, MID- TO HIGH LEVEL CLOUDS WILL CONTINUE TO INCREASE
FURTHER SOUTHWARD. THE DEEPENING MARINE LAYER DUE TO OFFSHORE
FLOW, ALONG WITH THE INCREASING MID- TO HIGH CLOUDS, WILL RESULT
IN COOLING DAYTIME TEMPERATURES THROUGH SUNDAY, AFTER WHICH
TEMPERATURES REMAIN FAIRLY STABLE THROUGH LATE NEXT WEEK. HIGHS
WILL LARGELY RUN IN THE 70S FURTHER INLAND, WITH A HANDFUL OF
LOCATIONS REACHING THE LOW 80S, AND COASTAL LOCATIONS GENERALLY
WARMING INTO THE MID- TO UPPER-60S.
AS THE PRESSURE GRADIENT TIGHTENS, WINDS WILL BEGIN TO INCREASE
THIS EVENING, PEAKING ON SATURDAY. WIND ADVISORIES HAVE BEEN
ISSUED FOR THE ANTELOPE VALLEY AND WESTERN ANTELOPE FOOTHILLS
FROM 11 AM PDT TODAY THROUGH 5 AM PDT SUNDAY FOR GUSTS TO AROUND
50 MPH. THE NBM 24-HOUR MAX WIND GUST FOR THESE TWO REGIONS, ALONG
WITH A SHORT STRETCH OF I-5 REST OF TODAY AND SATURDAY IS 40 TO
45 MPH WITH A MUCH BROADER AREA OF MAX GUSTS TO 35 MPH. ADDITIONAL
WIND ADVISORIES ARE IN EFFECT FOR THE SANTA BARBARA SW COAST FOR
SUNDOWNER WINDS 5 PM PDT THIS EVENING THROUGH 3 AM PDT TOMORROW
AND AGAIN SATURDAY NIGHT INTO SUNDAY MORNING. OFFSHORE NORTHWEST
WINDS WINDS WILL REACH 30 MPH WITH GUSTS UP TO 50 MPH. THE SANTA
BARBARA BEACHES WILL EXPERIENCE BREEZY ONSHORE WINDS DURING THESE
SAME TIMEFRAME, WITH GUSTS RANGING 25 TO 35 MPH.
***FROM PREVIOUS DISCUSSION***
THE NEXT THREE DAYS (AND BEYOND) WILL BE DOMINATED BY A PERSISTENT
NIGHT THROUGH LATE MORNING (OR EVEN AFTERNOON) LOW CLOUD PATTERN.
THIS PATTERN IS THE RESULT OF UNUSUAL CYCLONIC FLOW GENERATED BY A
SERIES OF UPPER LOWS MOVING THROUGH THE PACNW ALONG WITH STRONG
ONSHORE FLOW (~9MB PEAK). LOW CLOUDS WILL ARRIVE IN THE EVENINGS
AND WILL BE SLOW TO CLEAR WITH SOME CLOUDS LINGERING INTO THE
AFTERNOON ACROSS WEST FACING NEARSHORE AREAS.
ANOTHER EFFECT OF THE STRONG ONSHORE FLOW WILL BE THE GUSTY WINDS
THROUGH THE PASSES AND CANYONS OF LA COUNTY INTO THE ANTELOPE
VALLEY. LOOK FOR PERSISTENT GUSTY WINDS, WITH ISOLATED STRONG
GUSTS, IN THE AFTERNOON TO EVENING HOURS THROUGH SUNDAY. AS
USUAL, THE STRONGEST WINDS WILL BE OVER THE INTERIOR, ESPECIALLY
THE ANTELOPE VALLEY.
THE COMBINATION OF FALLING HGTS, STRONG ONSHORE FLOW AND A DEEP
PERSISTENT MARINE LAYER WILL BRING COOLING TO MOST AREAS TODAY
THROUGH SUNDAY. MOST CST AND VLY MAX TEMPS WILL ONLY BE IN THE 70S
THROUGH THE PERIOD WITH MID TO UPPER 60S ACROSS THE BEACHES AND A
SMATTERING OF 80 OR 81 DEGREE READINGS IN THE WARMEST VLY
LOCATIONS. THESE MAX TEMPS ARE 3 TO 6 DEGREES UNDER NORMAL FOR THE
CSTS AND 6 TO 12 DEGREES FOR THE VLYS.
LONG TERM (MON-THU)
26/159 AM.
NOT MUCH CHANGE IN THE JUNE GLOOM FORECAST FOR THE END OF THE
MONTH AND INTO JULY. A SERIES OF UPPER LOWS MOVING THROUGH THE
PACNW WILL KEEP CYCLONIC FLOW ALOFT THROUGH THE PERIOD. MDT TO STG
ONSHORE FLOW WILL CONTINUE THROUGH THE PERIOD XCP ON MON WHEN
THERE WILL BE A NOTICEABLE RELAXATION OF THE ONSHORE GRADIENTS.
LOOK FOR THE NIGHT THROUGH MORNING LOW CLOUD PATTERN TO CONTINUE
ALTHOUGH IT SHOULD BE A LITTLE LESS INTENSE IN COVERAGE AND
DURATION ON MONDAY.
LOOK FOR 2 TO 4 DEGREES OF WARMING MONDAY WITH THE WEAKER ONSHORE
FLOW, BUT ALL THAT WARMING WILL BE LOST TUESDAY AS THE ONSHORE
FLOW STRENGTHENS AGAIN. NOT MUCH CHANGE ON WEDNESDAY AND THEN A
LITTLE MORE WARMING ON THURSDAY AS THE UPPER LEVEL TROFFING IS
FORECAST TO WEAKEN. MAX TEMPS WILL REMAIN MANY DEGREES UNDER
NORMAL THROUGH THE PERIOD.
AVIATION
26/1746Z.
AT 1630Z AT KLAX, THE MARINE LAYER WAS 2600 FT DEEP. THE TOP OF
THE INVERSION WAS AT 3500 FEET WITH A TEMPERATURE OF 18 C.
HIGH CONFIDENCE IN VFR TAFS FOR DESERT AIRFIELDS (KPMD & KWJF).
MODERATE CONFIDENCE IN THE REMAINDER OF THE TAFS. TIMING OF
FLIGHT CAT CHANGES COULD BE OFF +/- 2 HOURS AND CIG HEIGHTS
+/- 300 FT.
KLAX...MODERATE CONFIDENCE IN TAF. ARRIVAL OF MVFR CIGS AROUND
012 EXPECTED TO OCCUR 27/02Z (+/- 2 HOURS). 15% CHANCE CIGS
INITIALLY ARRIVE AT IFR 008. CIGS EXPECTED TO GRADUALLY LIFT
BREAKING 2000 FT THRESHOLD SOMETIME BETWEEN 16/13Z-16Z.
25% CHANCE EAST WIND COMPONENT REACHES 7-8 KTS 16/12Z-16Z.
KBUR...MODERATE CONFIDENCE IN TAF. ARRIVAL OF IFR CIGS AROUND
008 SHOULD BE ACCURATE WITHIN +/- 2 HOURS OF CURRENT FORECAST.
CIGS SHOULD LIFT TO MVFR 010-015 AROUND 13Z. NO WIND ISSUES
EXPECTED.
MARINE
26/936 AM.
SMALL CRAFT ADVISORY (SCA) LEVEL WIND GUSTS ARE EXPECTED TO
EXPAND INTO THE INNER WATERS FOCUSED ACROSS THE WESTERN AND
SOUTHERN SANTA BARBARA CHANNEL AND NORTH OF POINT SAL TODAY,
PEAKING SATURDAY BEFORE GRADUALLY DIMINISHING THROUGH MONDAY.
LOCAL GUSTS MAY APPROACH 35 KT NEAR PT WITH A 30 PERCENT CHANCE OF
GALE CONDITIONS ACROSS THE CENTRAL PART OF THE SANTA BARBARA
CHANNEL SATURDAY EVENING. THERE IS A 30 PERCENT CHANCE OF SCA
CONDITIONS EXPANDING INTO THE SOUTHERN INNER WATERS ALONG AND
SOUTH OF POINT MUGU/MALIBU SATURDAY AFTERNOON TO EVENING.
SEAS WILL NEAR 10 FT SATURDAY EVENING THROUGH AT LEAST MONDAY
MORNING FOCUSED ACROSS THE OUTER WATERS. BEYOND, CONDITIONS LOOK
TO QUIET DOWN A BIT THROUGH MID NEXT WEEK.
LOX WATCHES/WARNINGS/ADVISORIES
CA...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 3
AM PDT SATURDAY FOR ZONES 349-351. (SEE LAXNPWLOX).
WIND ADVISORY IN EFFECT FROM 5 PM SATURDAY TO 3 AM PDT SUNDAY
FOR ZONES 349-351. (SEE LAXNPWLOX).
WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SUNDAY FOR
ZONES 381-383. (SEE LAXNPWLOX).
PZ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT SUNDAY FOR ZONE
645. (SEE LAXMWWLOX).
SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 3
AM PDT SATURDAY FOR ZONE 650. (SEE LAXMWWLOX).
SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 3 AM
PDT SUNDAY FOR ZONE 650. (SEE LAXMWWLOX).
SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT MONDAY FOR
ZONES 670-673-676. (SEE LAXMWWLOX).
PUBLIC...CROPP/RORKE
AVIATION...BLACK
MARINE...MUNROE
SYNOPSIS...PHILLIPS/CILIBERTI
WEATHER.GOV/LOSANGELES
EXPERIMENTAL GRAPHICAL HAZARDOUS WEATHER OUTLOOK AT:
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=LOX
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