Area Forecast Discussion FXUS66 KSGX [San Diego/WFO CA] 240406 AFDSGX ∨ FXUS66 KSGX 240406 AFDSGX [HEAD] National Weather Service San Diego California 9:10pm PDT Tue Apr 23 2024 ∨ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 910 PM PDT TUE APR 23 2024 [HEAD] Synopsis. A trough of low pressure will bring cool weather through Friday and a chance for light showers at times. Gusty winds will impact the mountains and deserts. The weekend will be dry with a warming trend as weak high pressure builds over the southwest. ∨ .SYNOPSIS... A TROUGH OF LOW PRESSURE WILL BRING COOL WEATHER THROUGH FRIDAY AND A CHANCE FOR LIGHT SHOWERS AT TIMES. GUSTY WINDS WILL IMPACT THE MOUNTAINS AND DESERTS. THE WEEKEND WILL BE DRY WITH A WARMING TREND AS WEAK HIGH PRESSURE BUILDS OVER THE SOUTHWEST. [DISC] Discussion. For extreme southwestern California including Orange… San Diego… western Riverside and southwestern San Bernardino Counties. ∨ .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES... [DISC] The marine layer depth on the 00Z [5pm PDT] NKX [Miramar NAS CA] didn't change much from this morning, hovering between 4000–4500 feet. Low clouds will fill the coastal, valley and foothill areas again tonight. Patchy drizzle is likely in some areas, but it won't be as widespread as last night when a coastal eddy and a saturated boundary layer brought measurable rain west of the mountains. ∨ THE MARINE LAYER DEPTH ON THE 00Z NKX DIDN`T CHANGE MUCH FROM THIS MORNING, HOVERING BETWEEN 4000-4500 FEET. LOW CLOUDS WILL FILL THE COASTAL, VALLEY AND FOOTHILL AREAS AGAIN TONIGHT. PATCHY DRIZZLE IS LIKELY IN SOME AREAS, BUT IT WON`T BE AS WIDESPREAD AS LAST NIGHT WHEN A COASTAL EDDY AND A SATURATED BOUNDARY LAYER BROUGHT MEASURABLE RAIN WEST OF THE MOUNTAINS. [DISC] A thick layer of marine clouds west of the mountains tomorrow morning will clear from most of the valleys in the afternoon but may not clear from the coastal areas. Scattered light showers are possible tomorrow night into Thursday as a trough moves across Southern California. ∨ A THICK LAYER OF MARINE CLOUDS WEST OF THE MOUNTAINS TOMORROW MORNING WILL CLEAR FROM MOST OF THE VALLEYS IN THE AFTERNOON BUT MAY NOT CLEAR FROM THE COASTAL AREAS. SCATTERED LIGHT SHOWERS ARE POSSIBLE TOMORROW NIGHT INTO THURSDAY AS A TROUGH MOVES ACROSS SOCAL. [DISC] A second trough digging down the West Coast will bring more cool, breezy weather and a chance for showers Thursday night and Friday. A Wind Advisory is in effect for the mountains and deserts from 5pm Wednesday through 11pm Friday for sustained northwest winds 15–30 mph gusting to 50–60 mph. ∨ A SECOND TROUGH DIGGING DOWN THE WEST COAST WILL BRING MORE COOL, BREEZY WEATHER AND A CHANCE FOR SHOWERS THURSDAY NIGHT AND FRIDAY. A WIND ADVISORY IS IN EFFECT FOR THE MOUNTAINS AND DESERTS FROM 5 PM WEDNESDAY THROUGH 11 PM FRIDAY FOR SUSTAINED NORTHWEST WINDS 15-30 MPH GUSTING TO 50-60 MPH. [DISC] The trough axis moves east Saturday which will be a generally dry, cool day with breezy northwest winds. Lighter winds are forecast Sunday which will also be a warmer day. ∨ THE TROUGH AXIS MOVES EAST SATURDAY WHICH WILL BE A GENERALLY DRY, COOL DAY WITH BREEZY NORTHWEST WINDS. LIGHTER WINDS ARE FORECAST SUNDAY WHICH WILL ALSO BE A WARMER DAY. [DISC] Aviation. 240310Z [5:03pm PDT]… coast/valleys/foothills… low clouds with bases 2500–3000 ft MSL [(above) Mean Sea Level] and tops to 3500 ft MSL [(above) Mean Sea Level] increasing in coverage tonight. Ceiling impacts currently at KSAN [San Diego CA] and KCRQ [Carlsbad CA]. Expect ceiling impacts at KSNA [Costa Mesa CA], kont and KSBD [San Bernardino CA] around 06Z [11pm PDT]. Bases and tops likely to rise slightly tonight into early Wednesday morning. Visibility 0–5 sm where clouds and terrain intersect, obscuring higher elevations. Expect inland clearing 17Z [10am PDT]-19Z [12pm PDT] but only partial clearing in the coastal areas. ∨ .AVIATION... 240310Z...COAST/VALLEYS/FOOTHILLS...LOW CLOUDS WITH BASES 2500-3000 FT MSL AND TOPS TO 3500 FT MSL INCREASING IN COVERAGE TONIGHT. CIG IMPACTS CURRENTLY AT KSAN AND KCRQ. EXPECT CIG IMPACTS AT KSNA, KONT AND KSBD AROUND 06Z. BASES AND TOPS LIKELY TO RISE SLIGHTLY TONIGHT INTO EARLY WEDNESDAY MORNING. VIS 0-5SM WHERE CLOUDS AND TERRAIN INTERSECT, OBSCURING HIGHER ELEVATIONS. EXPECT INLAND CLEARING 17Z- 19Z BUT ONLY PARTIAL CLEARING IN THE COASTAL AREAS. [AVIA] Mountains/deserts… mostly clear skies above 4000 feet MSL [(above) Mean Sea Level] on coastal slopes, with unrestricted visibility through tonight. ∨ MOUNTAINS/DESERTS...MOSTLY CLEAR SKIES ABOVE 4000 FEET MSL ON COASTAL SLOPES, WITH UNRESTRICTED VIS THROUGH TONIGHT. [AVI2] Marine. No hazardous marine conditions are expected through Thursday. Stronger northwest winds and choppy seas develop late Thursday and continue into early Saturday, likely generating hazardous conditions at times, especially in the outer waters. ∨ .MARINE... NO HAZARDOUS MARINE CONDITIONS ARE EXPECTED THROUGH THURSDAY. STRONGER NORTHWEST WINDS AND CHOPPY SEAS DEVELOP LATE THURSDAY AND CONTINUE INTO EARLY SATURDAY, LIKELY GENERATING HAZARDOUS CONDITIONS AT TIMES, ESPECIALLY IN THE OUTER WATERS. [AVIA] SGX [San Diego/WFO CA] Watches/Warnings/Advisories
.SGX WATCHES/WARNINGS/ADVISORIES... CA...WIND ADVISORY FROM 5 PM WEDNESDAY TO 11 PM PDT FRIDAY FOR APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-RIVERSIDE COUNTY MOUNTAINS-SAN BERNARDINO COUNTY MOUNTAINS-SAN DIEGO COUNTY DESERTS-SAN DIEGO COUNTY MOUNTAINS-SAN GORGONIO PASS NEAR BANNING. [WARN]
PZ...NONE. [WRN2] Public: Moede; Aviation/Marine: PG ∨ PUBLIC...MOEDE AVIATION/MARINE...PG [CRED] |
Point Forecast Poway CA Tonight Patchy drizzle and fog after 11pm. Cloudy, with a low around 51°. West wind around 5 mph. Wednesday Patchy drizzle and fog before 11am. Partly sunny, with a high near 65°. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Wednesday Night A chance of rain after 11pm. Cloudy, with a low around 52°. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Thursday A slight chance of rain before 11am. Mostly cloudy, with a high near 63°. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Thursday Night A slight chance of rain after 11pm. Mostly cloudy, with a low around 51°. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Friday A slight chance of rain before 11am. Mostly cloudy, with a high near 64°. Chance of precipitation is 20%. Friday Night Patchy fog after 11pm. Otherwise, cloudy, with a low around 52°. Saturday Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69°. Saturday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50°. Sunday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72°. Sunday Night Mostly clear, with a low around 52°. Monday Sunny, with a high near 77°. Monday Night Mostly clear, with a low around 53°. Tuesday Patchy fog. Otherwise, mostly sunny, with a high near 76°. Tonight Patchy drizzle and fog after 11pm. Cloudy, with a low around 51. West wind around 5 mph. Wednesday Patchy drizzle and fog before 11am. Partly sunny, with a high near 65. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Wednesday Night A chance of rain after 11pm. Cloudy, with a low around 52. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Thursday A slight chance of rain before 11am. Mostly cloudy, with a high near 63. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Thursday Night A slight chance of rain after 11pm. Mostly cloudy, with a low around 51. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Friday A slight chance of rain before 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 20%. Friday Night Patchy fog after 11pm. Otherwise, cloudy, with a low around 52. Saturday Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. Saturday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50. Sunday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72. Sunday Night Mostly clear, with a low around 52. Monday Sunny, with a high near 77. Monday Night Mostly clear, with a low around 53. Tuesday Patchy fog. Otherwise, mostly sunny, with a high near 76. |
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