Area Forecast Discussion
Issued by NWS San Diego, CA

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000
FXUS66 KSGX 031621
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
900 AM PDT MON AUG 3 2015

.SYNOPSIS... HIGH PRESSURE WILL STRENGTHEN OVER THE SOUTHWEST THIS
WEEK TO BRING HOT INLAND WEATHER. COASTAL CLOUDS WILL BE LESS
EXTENSIVE NIGHTS AND MORNINGS. A TROUGH OF LOW PRESSURE WILL BRING
COOLER WEATHER AND MORE COASTAL CLOUDS TOWARD THE END OF THE WEEK.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

MOSTLY SUNNY WEATHER IS EXPECTED TODAY. LOW CLOUDS MADE IT INTO THE
WESTERNMOST OF INLAND VALLEYS THIS MORNING AND WILL CLEAR TO THE
COAST BY LATE MORNING. A HIGH PRESSURE RIDGE OVER TEXAS WILL
GRADUALLY STRENGTHEN OVER ARIZONA THROUGH WEDNESDAY. THIS WILL BRING
A FEW DEGREES OF WARMING FOR INLAND AREAS TUESDAY AND WEDNESDAY.
DAYTIME TEMPERATURES WILL PUSH ABOVE SEASONABLY HOT IN THE LOWER
DESERTS UP TO AROUND 115...AND INTO THE UPPER 90S IN THE HOTTEST
INLAND VALLEYS. A LOW PRESSURE TROUGH HANGING OFF THE COAST WILL
BEGIN TO PUSH THE RIDGE BACK WHERE IT CAME FROM ON THURSDAY THROUGH
SATURDAY. THAT WILL REVERSE THE FLOW FOR A COOLING TREND INLAND ON
FRIDAY AND SATURDAY...ALONG WITH A DEEPER MARINE LAYER AND MORE
EXTENSIVE COASTAL CLOUDS. THERE IS A TINY PUFF OF MONSOON MOISTURE
ON THURSDAY CAPABLE OF BRINGING SOME CLOUDS...BUT RIGHT NOW IT DOES
NOT APPEAR TO BE A THUNDERSTORM MAKER. SLIGHTLY HIGHER PRESSURE
FOLLOWS THE TROUGH NEXT WEEK FOR A MODEST WARMING TREND AGAIN.

&&

.AVIATION...

031600Z...COAST/VALLEYS...STRATUS BASES 1200-1700 FT MSL WITH  TOPS
2000 FT MSL CLEARING BACK TO THE COAST 17-20Z.

STRATUS BASES 1200-1700 TOPS 2000 FEET RETURNING TO THE SAN DIEGO
COUNTY COASTAL AIRPORTS 04/02-04Z AND SPREADING NORTH AND 20-25 MI
INLAND OVERNIGHT.

MTNS/DESERTS...MOSTLY CLEAR WITH UNRESTRICTED VIS THROUGH TUESDAY
MORNING.

&&

.MARINE... 900 AM...NORTHWEST WINDS 15 TO 20 KT OVER THE OUTER
WATERS EACH AFTERNOON AND EVENING THROUGH WEDNESDAY. GUSTS NEAR 25
KT ARE EXPECTED TUESDAY AFTERNOON AND EVENING...CREATING CONDITIONS
THAT MAY BE HAZARDOUS TO SMALL CRAFT. NO HAZARDOUS MARINE WEATHER IS
EXPECTED THURSDAY AND FRIDAY.

&&

.SKYWARN...

SKYWARN ACTIVATION IS NOT REQUESTED. HOWEVER WEATHER SPOTTERS ARE
ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...HEAT ADVISORY FROM NOON TUESDAY TO 6 PM PDT WEDNESDAY FOR
     COACHELLA VALLEY-SAN GORGONIO PASS NEAR BANNING.

PZ...NONE.

&&

$$

PUBLIC...MM
AVIATION/MARINE...MOEDE



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