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
22/703 PM.
High pressure will bring warming to the area through Tuesday with mostly clear to partly cloudy skies. By Tuesday high temperatures will be 8 to 12 degrees above normal. Additional warming Thursday and Friday will bring high temperatures across the valleys and some interior coastal areas into the 80s.
LONG TERM (THU-SUN)
23/306 AM.
Just like the short term the long term will be dominated by the same ridge and high pressure system. The ridge does show some signs of breaking down late next Sunday. Hgts will mostly be between 582 and 584 dam.
At the sfc there will be weak onshore flow to the east and weak sometime mdt offshore flow from the north. There will be some northerly canyon winds in the mornings but nothing near advisory levels.
The weaker gradients will allow for some night through morning low clouds, but the higher hgts will keep them mostly out of the valleys.
Temperatures are the main focus for the extended period. There will be a few degrees of warming both Thu and Fri. By Friday most max temps across the csts/vlys will be in the mid 70s to mid 80s or 10 to 15 degrees over normal. There will not be much change on Saturday. Sunday will be cooler as the ridge finally begins to break down.
AVIATION
23/1044Z.
At 0825Z at KLAX, there was no marine layer. There was a sfc based inversion with a top of 1800 ft and a temperature of 19 C.
Overall, high confidence in TAFs.
KLAX...High confidence in TAF. Any east wind component is expected to remain below 7 kts.
KBUR...High confidence in TAF.
MARINE
23/227 AM.
Moderate to high confidence in the current forecast. Higher confidence in seas, lower confidence in winds.
For the outer waters and the nearshore waters along the Central Coast, there is a moderate to high chance of Small Craft Advisory (SCA) level winds each day through the week, with the highest chance near Point Conception and southward to San Nicolas Island. The strongest winds still look like they will develop Wednesday afternoon and evening.
Inside the southern California bight, winds and seas should remain below SCA levels through at least Tuesday morning. From Tuesday afternoon and onward, there is a moderate to high chance of SCA levels winds, highest across the western portions of the bight and near Santa Cruz Island.
LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE. PZ...Small Craft Advisory in effect until 9 AM PST this morning for zones 673-676. (See LAXMWWLOX).
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