Sunday, September 20, 2020

Rain In September?

Actually some clouds drifting overhead this morning - first time in quite a few days. Down at bottom the two images show sunrise from Mt. Wilson with LA lights but no fires in sight; and the light pillars at LAX a bit before midnight Friday night.

Extremely quiet over the Southwest and Mexico yesterday, with no detected CG flashes (above plot for 12-hours ending at 10:00 pm last night - from Atmo and Vaisala). Morning sounding from TWC (below) is dry and stable, with light wind speeds below 300 mb.

The long-range, GFS forecast, from 00 UTC last evening, for precipitation (second below) is valid for period ending at 12 UTC on October 1st. Very dismal, dry outlook from the GFS model.

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