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733
FXUS66 KSGX 161612
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
912 AM PDT Sun Jun 16 2024

.SYNOPSIS...
A trough deepening down the West Coast will bring a few degrees of
cooling today and Monday, but it will still be quite warm. Monday
will be the coolest day of the week followed by a degree or two of
warming Tuesday and Wednesday. Hotter weather returns Friday through
Sunday when a ridge of high pressure builds over the Desert
Southwest.

&&

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

.Morning Update...
A coastal eddy churning off the coast gave way to low clouds
pushing into the region within 20 miles of the beaches this
morning. Visible satellite shows these low clouds clearing, which
should give way to mostly clear conditions by later this morning
into the afternoon hours. Also seen is wildfire smoke infiltrating
into much of the LA Basin and Coachella Valley from two burns
occurring near the Grapevine north of Los Angeles and another near
Hesperia in the high desert. The afternoon sea breeze should help
mix the air out some, but stay safe in the smoke and warm
temperatures today across these spots.

The deepening trough to the north will bring greater onshore flow
to the region today, where inland areas will see temperatures 5 to
10 degrees cooler than yesterday. Breezy west/northwest winds will
also occur across the desert mountain slopes into the deserts with
winds near 25-40 MPH at times each afternoon and evening today and
Monday.

.Previous Discussion (315 AM)...
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&&

.AVIATION...
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161515Z...Coast/Valleys...BKN-OVC with bases 1000-1500 FT MSL are
decreasing in coverage. Full scatter out across inland valleys
through 17z Sun, and by 19z Sun at the coast. Low clouds
redeveloping and moving inland after 00z Mon with bases 1500-2000 FT
MSL.

Mountains/Deserts...SKC with unrestricted VIS through tonight. W-SW
wind gusts of 20-35 knots, strongest this afternoon through late
tonight. WK-MOD up/downdrafts over/E of mtns.
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&&

.MARINE...
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Northwest wind gusts up to 20 knots will be possible in the outer
waters this afternoon and again Monday afternoon.
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&&

.BEACHES...
A combination of a west swell of around 5 feet/9 seconds in the
outer waters and south swells of around 2 feet/16 seconds on Monday
will bring surf of 3-6 feet along with a high rip current risk
through Monday. The surf and rip current risk will gradually lower
on Tuesday.

&&

.SKYWARN...
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Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.
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&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement through Monday evening for Orange County
     Coastal Areas-San Diego County Coastal Areas.

PZ...None.

&&

$$

PUBLIC...APR/Moede
AVIATION/MARINE...EA