textproduct: Los Angeles
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
SYNOPSIS
12/335 AM.
Several degrees of cooling are expected today and Wednesday as an upper low moves through northern California. Low clouds and fog will move into the coastal valleys with clouds lingering at some coastal areas through today. Gusty winds are expected times across the mountains and deserts. Slight warming is expected Thursday and Friday.
LONG TERM (FRI-MON)
12/429 AM.
In the long term, most temperatures will be within a few degrees of normal, with a very gradual warming trend each day. 500 mb heights will likely increase into Saturday, followed by broad weak troughing over the area. However, weakening onshore to briefly onshore surface pressure gradients will allow the warming trend to generally continue, most noticeably at the coasts, where temperatures will reach a few degrees above normal by Monday.
AVIATION
12/0752Z.
High confidence in KWJF and KPMD TAFs.
Low to moderate confidence in remainder of TAFs. Timing of flight category changes may be off by 3 hours and one flight category.
KLAX...Moderate confidence in TAF, with cigs likely to persist through Tue afternoon. VSBY between 1/2-2SM possible through 16Z-18Z.
KBUR...Moderate confidence in TAF. There is a 30 percent chc of VFR conditions remaining through period, but latest trends indicating increasing potential for IFR/LIFR cigs around sunrise.
MARINE
12/754 AM.
Winds and seas will remain below Small Craft Advisory (SCA) levels through Wednesday morning.
SCA conditions (winds and seas) are expected to develop across the northern Outer Waters Wednesday afternoon, expanding in coverage to include all Outer Waters by Wednesday night.
These hazardous conditions will persist into the weekend reaching portions of inner waters (along the Central Coast and SB Channel) at times.
GALE Force winds will be possible across the outer waters as early as Thursday afternoon, with highest (30-50 percent) chances on Saturday into Sunday.
Seas will continue to build into the weekend peaking 10-15 ft across the outer waters.
Dense fog will be possible through mid morning Today.
LOX WATCHES/WARNINGS/ADVISORIES
CA...Wind Advisory in effect from 2 PM this afternoon to 10 PM PDT this evening for zones 381-383. (See LAXNPWLOX). PZ...NONE.
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