textproduct: Los Angeles

SYNOPSIS

11/103 PM.

Several degrees of cooling are expected Tuesday and Wednesday as an upper low moves through northern California. Low clouds and fog will move into the coastal valleys then clearing to near the coast by afternoon. Gusty winds are possible at times across the mountains and deserts. Slight warming is expected Thursday and Friday.

LONG TERM (FRI-MON)

11/144 PM.

Building high pressure and continued offshore flow from the north will greatly reduce or eliminate the low clouds on Friday. There will be a decent bump up in temps of 3 to 6 locally 8 degrees across the area.

Further warming Saturday with limited or no marine layer clouds will bring max temps into the 70s across the csts and 80s in the vlys or 3 to 6 degrees over normal.

Weak troffing will move into the area next Sunday. In addition there will be an increase in the onshore flow to the east. Max temps will likely fall a degree or 2 over most areas.

In addition the northerly gradients will likely bring advisory level wind gusts to the western portion of the SBA south coast late in the afternoons and evenings.

AVIATION

11/2340Z.

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...Latest satellite trends showing more rapid onset of low clouds into KLAX, likely in the 01-02z time window. Otherwise moderate confidence in TAFs, with cigs likely to persist through aftrnoon hours on Tuesday.

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

11/149 PM.

Winds and seas will remain below Small Craft Advisory (SCA) levels overnight through Tuesday.

Wednesday night through the weekend, winds and seas will start to strengthen/build, with SCA winds across the outer waters starting late Wednesday night and Seas reaching steep and choppy SCA levels around Friday night. There is a 20-40 percent chance of SCA winds across the inner waters, with the highest chances each afternoon and evenings. 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.

Large SCA level seas of 10-12+ feet will be possible for the outer and northern waters by this weekend.

Dense fog will be possible this evening through mid morning Tuesday.

LOX WATCHES/WARNINGS/ADVISORIES

CA...NONE. PZ...NONE.