Area Forecast Discussion FXUS66 KMTR [Monterey CA] 090617 AFDMTR ∨ FXUS66 KMTR 090617 AFDMTR [HEAD] National Weather Service San Francisco California 11:17pm PDT Tue Oct 8 2024 ∨ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN FRANCISCO CA 1117 PM PDT TUE OCT 8 2024 [HEAD] New aviation. ∨ ...NEW AVIATION... [DISC] Synopsis. Issued at 1:12pm PDT Tuesday October 8 2024 ∨ .SYNOPSIS... ISSUED AT 112 PM PDT TUE OCT 8 2024 [DISC] Expect gradual cooling across the forecast area that'll extend into the weekend. Temperatures will remain above normal until the weekend. A Heat Advisory remains in effect until 7pm this evening for the East Bay interior valleys, eastern Santa Clara Hills and the East Bay hills. ∨ EXPECT GRADUAL COOLING ACROSS THE FORECAST AREA THAT`LL EXTEND INTO THE WEEKEND. TEMPERATURES WILL REMAIN ABOVE NORMAL UNTIL THE WEEKEND. A HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE EAST BAY INTERIOR VALLEYS, EASTERN SANTA CLARA HILLS AND THE EAST BAY HILLS. [DISC] Update. Issued at 8:33pm PDT Tuesday October 8 2024 ∨ .UPDATE... ISSUED AT 833 PM PDT TUE OCT 8 2024 [DISC] Current temperatures this hour are well on track with the forecast going into tonight. Heat Advisory in the interior East Bay has been allowed to expire as temps are expected to cool through the next few days. Now that our weather is relatively quiet, keep our colleagues in our Florida offices in your thoughts. They just dealt with historic Hurricane Helene and are now dealing with historic hurricane milton in some of the same locations. ∨ CURRENT TEMPERATURES THIS HOUR ARE WELL ON TRACK WITH THE FORECAST GOING INTO TONIGHT. HEAT ADVISORY IN THE INTERIOR EAST BAY HAS BEEN ALLOWED TO EXPIRE AS TEMPS ARE EXPECTED TO COOL THROUGH THE NEXT FEW DAYS. NOW THAT OUR WEATHER IS RELATIVELY QUIET, KEEP OUR COLLEAGUES IN OUR FLORIDA OFFICES IN YOUR THOUGHTS. THEY JUST DEALT WITH HISTORIC HURRICANE HELENE AND ARE NOW DEALING WITH HISTORIC HURRICANE MILTON IN SOME OF THE SAME LOCATIONS. [DISC] Behringer ∨ BEHRINGER [CRED] Short term. (this evening through Wednesday) issued at 1:35pm PDT Tuesday October 8 2024 ∨ .SHORT TERM... (THIS EVENING THROUGH WEDNESDAY) ISSUED AT 135 PM PDT TUE OCT 8 2024 [DISC] Farthest inland locations where it'll still be hot today such as the East Bay and the eastern Santa Clara Hills are under a Heat Advisory until 7pm this evening. A modest 1.8 mb SFO [San Francisco CA]-SAC [Sacramento CA] pressure gradient will otherwise result in afternoon and early evening sea-breezes. Afternoon temperatures closer to the bays and the coast are cooler to much cooler compared to Monday afternoon. Afternoon temps are quite likely to fall short of today's record highs at the long term sites. ∨ FARTHEST INLAND LOCATIONS WHERE IT`LL STILL BE HOT TODAY SUCH AS THE EAST BAY AND THE EASTERN SANTA CLARA HILLS ARE UNDER A HEAT ADVISORY UNTIL 7 PM THIS EVENING. A MODEST 1.8 MB SFO-SAC PRESSURE GRADIENT WILL OTHERWISE RESULT IN AFTERNOON AND EARLY EVENING SEA- BREEZES. AFTERNOON TEMPERATURES CLOSER TO THE BAYS AND THE COAST ARE COOLER TO MUCH COOLER COMPARED TO MONDAY AFTERNOON. AFTERNOON TEMPS ARE QUITE LIKELY TO FALL SHORT OF TODAY`S RECORD HIGHS AT THE LONG TERM SITES. [DISC] Long term. (Wednesday night through next Monday) issued at 1:35pm PDT Tuesday October 8 2024 ∨ .LONG TERM... (WEDNESDAY NIGHT THROUGH NEXT MONDAY) ISSUED AT 135 PM PDT TUE OCT 8 2024 [DISC] A gradual cooling trend continues through mid to late week. By the weekend temperatures will be near normal for the time of year. Dry weather prevails this week, then a weakening 500 mb trough approaches the forecast area with a slight chance to chance of light measurable rain over the weekend. ∨ A GRADUAL COOLING TREND CONTINUES THROUGH MID TO LATE WEEK. BY THE WEEKEND TEMPERATURES WILL BE NEAR NORMAL FOR THE TIME OF YEAR. DRY WEATHER PREVAILS THIS WEEK, THEN A WEAKENING 500 MB TROUGH APPROACHES THE FORECAST AREA WITH A SLIGHT CHANCE TO CHANCE OF LIGHT MEASURABLE RAIN OVER THE WEEKEND. [DISC] Aviation. (06Z [11pm PDT] TAFs [Terminal Aerodrome Forecasts]) issued at 11:16pm PDT Tuesday October 8 2024 ∨ .AVIATION... (06Z TAFS) ISSUED AT 1116 PM PDT TUE OCT 8 2024 [AVIA] IFR [Instrument Flight Rules]/LIFR [Low Instrument Flight Rules] ceilings are moving inland, affecting the Monterey Bay and SF Bay terminals as well as the North Bay terminals later into the night. Expect light to moderate winds through the late morning. Expect moderate to breezy winds to build in afternoon as ceilings lift. Winds look to reduce in the mid evening as ceilings begin to move inland once again. ∨ IFR/LIFR CIGS ARE MOVING INLAND, AFFECTING THE MONTEREY BAY AND SF BAY TERMINALS AS WELL AS THE NORTH BAY TERMINALS LATER INTO THE NIGHT. EXPECT LIGHT TO MODERATE WINDS THROUGH THE LATE MORNING. EXPECT MODERATE TO BREEZY WINDS TO BUILD IN AFTERNOON AS CIGS LIFT. WINDS LOOK TO REDUCE IN THE MID EVENING AS CIGS BEGIN TO MOVE INLAND ONCE AGAIN. [AVI2] Vicinity of SFO [San Francisco CA]… VFR [Visual Flight Rules] lasts into the late night but moments of IFR [Instrument Flight Rules] ceilings affect the terminal in the late night through the early morning. Winds stay moderate through the late morning before increasing into the afternoon. Expect gusts around 25 kts [29 mph] to last into the night before reducing. ∨ VICINITY OF SFO...VFR LASTS INTO THE LATE NIGHT BUT MOMENTS OF IFR CIGS AFFECT THE TERMINAL IN THE LATE NIGHT THROUGH THE EARLY MORNING. WINDS STAY MODERATE THROUGH THE LATE MORNING BEFORE INCREASING INTO THE AFTERNOON. EXPECT GUSTS AROUND 25 KTS TO LAST INTO THE NIGHT BEFORE REDUCING. [AVI2] SFO [San Francisco CA] bridge approach… similar to SFO [San Francisco CA]. ∨ SFO BRIDGE APPROACH...SIMILAR TO SFO. [AVI2] Monterey Bay terminals… LIFR [Low Instrument Flight Rules]/IFR [Instrument Flight Rules] ceilings last through the late morning with some pockets of mist. Expect light through the night with more moderate winds arriving Monday afternoon as ceilings erode. These winds will last into the evening before light winds and IFR [Instrument Flight Rules] ceilings return after nightfall. ∨ MONTEREY BAY TERMINALS...LIFR/IFR CIGS LAST THROUGH THE LATE MORNING WITH SOME POCKETS OF MIST. EXPECT LIGHT THROUGH THE NIGHT WITH MORE MODERATE WINDS ARRIVING MONDAY AFTERNOON AS CIGS ERODE. THESE WINDS WILL LAST INTO THE EVENING BEFORE LIGHT WINDS AND IFR CIGS RETURN AFTER NIGHTFALL. [AVI2] Marine. (tonight through next Monday) issued at 8:33pm PDT Tuesday October 8 2024 ∨ .MARINE... (TONIGHT THROUGH NEXT MONDAY) ISSUED AT 833 PM PDT TUE OCT 8 2024 [AVIA] Moderate to fresh northwesterly breezes and rough seas in the outer waters will prevail through Thursday. Friday and into the weekend will bring renewed chances for rain as a weak cold front moves through. ∨ MODERATE TO FRESH NORTHWESTERLY BREEZES AND ROUGH SEAS IN THE OUTER WATERS WILL PREVAIL THROUGH THURSDAY. FRIDAY AND INTO THE WEEKEND WILL BRING RENEWED CHANCES FOR RAIN AS A WEAK COLD FRONT MOVES THROUGH. [AVI2] MTR Watches/Warnings/Advisories
.MTR WATCHES/WARNINGS/ADVISORIES... CA...NONE. PZ...SMALL CRAFT ADVISORY UNTIL 3 AM PDT WEDNESDAY FOR PIGEON PT TO PT PINOS 0-10 NM-PT ARENA TO PT REYES 0-10 NM. [WARN]
SMALL CRAFT ADVISORY FROM 9 AM TO 9 PM PDT WEDNESDAY FOR PIGEON PT TO PT PINOS 0-10 NM-PT ARENA TO PT REYES 0-10 NM. [WRN2]
SMALL CRAFT ADVISORY UNTIL 9 PM PDT WEDNESDAY FOR PIGEON PT TO PT PINOS 10-60 NM-PT ARENA TO PT REYES 10-60 NM-PT PINOS TO PT PIEDRAS BLANCAS 0-10 NM. [WRN2]
SHORT TERM...CANEPA LONG TERM....CANEPA AVIATION...MURDOCK MARINE...SARMENT [WRN2] VISIT US AT WWW.WEATHER.GOV/SANFRANCISCO [LINK] Follow us on Facebook, Twitter, and YouTube at: www.facebook.com/nwsbayarea www.twitter.com/nwsbayarea www.youtube.com/nwsbayarea ∨ FOLLOW US ON FACEBOOK, TWITTER, AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSBAYAREA WWW.TWITTER.COM/NWSBAYAREA WWW.YOUTUBE.COM/NWSBAYAREA [DISC] |
Point Forecast Half Moon Bay Airport 08 Oct 10:55pm PDT Tonight Mostly cloudy, with a low around 54°. NW wind 6 to 8 mph. Wednesday Partly sunny, with a high near 65°. WNW wind 6 to 9 mph. Wednesday Night Increasing clouds, with a low around 53°. WNW wind around 6 mph becoming calm after midnight. Thursday Mostly cloudy, with a high near 64°. Calm wind becoming west 5 to 7 mph in the morning. Thursday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51°. Light west wind. Friday Patchy fog before 9am. Otherwise, partly sunny, with a high near 65°. Friday Night Mostly cloudy, with a low around 53°. Saturday A chance of rain, mainly after 11am. Partly sunny, with a high near 67°. Saturday Night A chance of rain. Mostly cloudy, with a low around 55°. Sunday A slight chance of rain. Mostly cloudy, with a high near 66°. Sunday Night A slight chance of rain. Cloudy, with a low around 54°. Columbus Day Mostly cloudy, with a high near 64°. Monday Night Mostly cloudy, with a low around 54°. Tuesday Mostly cloudy, with a high near 64°. Tonight Mostly cloudy, with a low around 54. Northwest wind 6 to 8 mph. Wednesday Partly sunny, with a high near 65. West northwest wind 6 to 9 mph. Wednesday Night Increasing clouds, with a low around 53. West northwest wind around 6 mph becoming calm after midnight. Thursday Mostly cloudy, with a high near 64. Calm wind becoming west 5 to 7 mph in the morning. Thursday Night Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. Light west wind. Friday Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Friday Night Mostly cloudy, with a low around 53. Saturday A chance of rain, mainly after 11am. Partly sunny, with a high near 67. Saturday Night A chance of rain. Mostly cloudy, with a low around 55. Sunday A slight chance of rain. Mostly cloudy, with a high near 66. Sunday Night A slight chance of rain. Cloudy, with a low around 54. Columbus Day Mostly cloudy, with a high near 64. Monday Night Mostly cloudy, with a low around 54. Tuesday Mostly cloudy, with a high near 64. |
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