I Hate When This Happens

In this case, by the time model outputs were posted they were already noticeably wrong! Moisture from Mexico scheduled for Sunday arrived Friday.

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The computer models have been terrible the past few days. The moisture above the desert cities has been totally underforecast. That led to more cloudiness than expected. More humidity and lower temps too. Ouch.

I am not getting into the Weather Hall of Fame based on this week’s calls.

All meteorologists use computer guidance. It’s better than we are as forecasters. That doesn’t mean they’re always right.

Part of my job is analyzing that data, to sniff when something doesn’t smell right. Then I make modifications. In Connecticut I had to do that a lot. Not so much here.

In this case, by the time model outputs were posted they were already noticeably wrong! Moisture from Mexico scheduled for Sunday arrived Friday.

A line of cellular showers, looking like a formation of bombers from a WW2 movie, just passed over the Coachella Valley. It never reached the ground. Too much dry air beneath the rain today. Maybe not tomorrow.

Our best radar comes from Yuma, AZ. We’re at the far northwestern edge of its coverage. The beam is up high. Too high. Closer radars are blocked by mountains.

I’ve had this angst before.

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