Area Forecast Discussion
Issued by NWS San Diego, CA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS66 KSGX 050411 AAB
AFDSGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
910 PM PDT SAT JUL 4 2015

.SYNOPSIS... SOLID ONSHORE FLOW AT THE SURFACE AND INCREASING
SOUTHWESTERLY FLOW ALOFT WILL GUARANTEE SOME FINE SUMMER WEATHER
ACROSS THE SOUTHLAND THROUGH NEXT WEEK. A DEEP MARINE LAYER WILL
BRING LOW CLOUDS EACH NIGHT AND MORNING WELL INTO THE
VALLEYS...WHICH MAY LINGER NEAR THE BEACHES INTO THE AFTERNOONS.
THIS WILL MEAN COOLER THAN AVERAGE SUMMER DAYS NEXT WEEK. THERE
REMAINS A SLIGHT CHANCE OF THUNDERSTORMS NEAR THE HIGHER MOUNTAINS
EACH AFTERNOON AND EVENING THROUGH MONDAY...AND SOME DRIZZLE NEAR
THE COAST...OTHERWISE THE WEATHER WILL BE DRY.

&&

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

AFTERNOON CONVECTION LASTED UNTIL AROUND SUNSET IN THE SAN
BERNARDINO MOUNTAINS AND DUE TO SOUTHERLY MEAN FLOW...PERSISTED
INTO THE HIGH DESERTS. ATMOSPHERIC MOISTURE WILL BE SIMILAR IF NOT
SLIGHTLY DEEPER FOR SUNDAY AND MONDAY...MEANWHILE UPPER LEVEL
SUPPORT WILL BE WEAK ON SUNDAY WITH A LITTLE BETTER U/L FORCING DUE
TO THE PROXIMITY OF THE UPPER LOW AND ATTENDANT SHORTWAVES AND
EMBEDDED VORTS OFFSHORE FROM THE CALIFORNIA COAST. WITH THAT IN MIND
BELIEVE ISOLATED SHOWERS AND STORMS WILL OCCUR SUNDAY AFTERNOON AND
AGAIN MONDAY AFTERNOON...WITH POSSIBLY SLIGHTLY BETTER COVERAGE FOR
MONDAY AFTERNOON DUE TO A LITTLE BETTER U/L SUPPORT. A LITTLE MORE
ATMOSPHERIC MOISTURE WILL BRING TEMPERATURES DOWN SLIGHTLY FOR THE
NEXT FEW DAYS FOR INLAND LOCATIONS...WITH MARINE LAYER WEATHER
DOMINATING CONDITIONS NEAR AND ALONG THE COAST. NO OTHER CHANGES
HAVE BEEN MADE TO THE ONGOING FORECAST THIS EVENING.

&&

.AVIATION...

050400Z...COAST/VALLEYS...BKN-OVC010-015 SURGING 40 SM INLAND
THROUGH 16Z SUNDAY. AREAS OF VIS 3-5SM BR EARLY SUNDAY MORNING IN
THE INLAND VALLEYS INCLUDING KONT. CLEARING BACK TO THE COAST SUNDAY
THROUGH 21Z WITH BRIEF CLEARING AT KSAN BETWEEN 21Z-01Z. CIGS MAY
NOT CLEAR FROM KCRQ SUNDAY AFTERNOON. FORECASTER CONFIDENCE IN
STRATUS FORECAST IS MODERATE TO HIGH.

MTNS/DESERTS...WEST SFC WINDS GUSTING 30-40 KT THROUGH THE SAN
GORGONIO PASS AND ALONG THE DESERT MOUNTAIN SLOPES SUNDAY AFTERNOON
AND EVENING. ISOLATED AFTERNOON SHOWERS AND THUNDERSTORMS OVER THE
MOUNTAINS AND HIGH DESERTS SUNDAY AFTERNOON AND EVENING.

&&

.MARINE...

900 PM...NO HAZARDOUS WEATHER IS EXPECTED THROUGH WEDNESDAY.

&&

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

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...NONE.
PZ...NONE.
&&

$$

PUBLIC...JMB
AVIATION/MARINE...MOEDE



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.