Area Forecast Discussion
Issued by NWS San Diego, CA

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000
FXUS66 KSGX 032018
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
200 PM PDT MON AUG 3 2015

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

&&

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

SKIES ARE MOSTLY SUNNY ALTHOUGH A BATCH OF HIGH CLOUDS WILL ACCENT
THE SKY THIS AFTERNOON. A HIGH PRESSURE RIDGE OVER TEXAS WILL
GRADUALLY STRENGTHEN OVER ARIZONA THROUGH WEDNESDAY. THIS WILL BRING
WARMER WEATHER FOR INLAND AREAS TUESDAY AND WEDNESDAY. DAYTIME
TEMPERATURES WILL PUSH ABOVE SEASONABLY HOT IN THE LOWER DESERTS UP
TO AS HIGH AS 115...AND UP TO AROUND 100 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 THURSDAY THROUGH
SATURDAY...ALONG WITH A DEEPER MARINE LAYER AND MORE EXTENSIVE
COASTAL CLOUDS. THERE IS A TINY PUFF OF MONSOON MOISTURE ON THURSDAY
THAT SHOULD BRING SOME HIGHER CLOUDS...BUT THE MOISTURE REMAINS
QUITE HIGH AND NOT FAVORABLE FOR THUNDERSTORM DEVELOPMENT. SLIGHTLY
HIGHER PRESSURE FOLLOWS THE TROUGH NEXT WEEK FOR A MODEST WARMING
TREND AGAIN.

&&

.AVIATION...

032000Z...COAST/VALLEYS...SCT-BKN012-017 TOPS 2000 FEET RETURNING TO
KSAN AND KCRQ 04/03-06Z. AFTER 06Z...BKN-OVC010-015 WITH STRATUS
SPREADING NORTH AND 20-25 MI INLAND THROUGH 13Z WITH. AREAS 2-4SM BR
IN HIGHER TERRAIN. STRATUS CLEARING BACK TO THE COAST BETWEEN 16-
19Z.

MTNS/DESERTS...SCATTERED HIGH CLOUDS WITH UNRESTRICTED VIS THROUGH
TUESDAY.

&&

.MARINE... 100 PM...NORTHWEST WINDS 15 TO 20 KT OVER THE OUTER
WATERS EACH AFTERNOON AND EVENING THROUGH WEDNESDAY. WINDS WILL GUST
NEAR 25 KT TUESDAY AFTERNOON AND EVENING WHEN A SMALL CRAFT ADVISORY
MAY BE NEEDED.

&&

.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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