Heavy
rain last night into during the day today amounted to 1.69” so far. Southwesterly
winds, reaching a maximum of 22 kt, surprisingly not as strong as earlier in
the evening, led to a high of 51F before winds weakened and turned to northwesterly
with a cooldown to 49F, but then surprisingly, winds turned to southeasterly and
it warmed to 51F. Skies will clear slightly tonight, but probably not enough
for much radiational cooling tonight. Sunshine will lead to a modest warmup tomorrow,
greatly muted by strengthening onshore northwesterly winds. The winds will be
enhanced by the diurnal cycle as inland areas warm up much more than the ocean,
promoting an onshore sea breeze. However, the winds might not arrive until noon
or just after, and temperatures could quickly spike above what models show
before that due to downslope and slightly offshore northeasterly winds just
aloft, making for a tricky high temperature forecast. Even just how strong the
winds get is a bit uncertain, with the northeasterly downslope winds just aloft
possibly colliding with and muting the strong onshore flow right along the
coast. Winds will lighten somewhat tomorrow night (though not enough for ideal radiational
cooling), and skies will remain clear, so somewhat better radiational cooling will
occur tomorrow night, with the low likely occurring at the end (Thursday 06z).
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