Record Heat – 101 in Santa Rosa – Slow Cooling Coming

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It was a record setting June 10th, as high temperature records were shattered all across the Bay Area including 101 in Santa Rosa, breaking the record of 100 set back in 1921.

Charles Schulz Sonoma County Airport was officially 100 degrees, and Windsor, Healdsburg, Rohnert Park, Sebastopol and Petaluma all saw readings at or above the century mark.

Here are some of the records set:

As of Monday afternoon, a Heat Advisory in the North Bay and Excessive Heat Warning in the Bay Area continue, and those warnings were expected to be extended into Tuesday.

Highs in Sonoma and Napa Counties ranged from 97-107. Even the coast saw temperatures in the 80s to low 90s.

Here are some of the unofficial observations across the region.

Right now the marine layer is very shallow, only affecting the immediate coast.  A big dome of high pressure to our north is keeping the offshore breezes going, shutting down the marine layer.

There is cool air moving up the coast from the south, but the southerly breeze and marine influence is a bit slower arriving in the Bay Area than expected.

So, the forecast now calls for the immediate coast, places like Bodega Bay and Tomales Bay to cool down by 10-15 degrees tomorrow, but with very little cooling extending inland on Tuesday.

You can see on the satellite there is little to no fog along the California coast.

Inland, Tuesday should be just a bit cooler, with highs in the mid to upper 90s in most areas away from the coast.  Even with that, temperatures will still be 10-15 degrees above normal along the California coast, into Oregon.

By Wednesday though, a stiff south wind and real cooling should arrive at Bodega Bay and Petaluma, spreading inland over the Santa Rosa plain and cooling temperatures by 10-20 degrees from today’s highs.

So, hang in there.  It’s coming!

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