July 4, 2022

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Cliff Mass Weather Blog: Winter Rainfall in Spring

2 min read

 One of the problems in being a meteorologist is that you suffer twice with bad weather:  once with the forecast and then again when you experience the ill weather.

And the suffering is getting worse.

Tomorrow will be the last dry day for a long time, and this May will end up with rainfall more appropriate for February.

Let me show you the dismal story in 48-h chunks.  

Wednesday will be mainly dry, but Thursday will be wet, with the 48-h precipitation total ending 5 AM Friday (below) showing a moderate atmospheric river coming in off the Pacific, with rain enhanced over the mountains.


During the next 48-h the precipitation revs up over Oregon, with some locations receiving over 2 inches (see below)

Over the next 7 days, the totals are…well..scarry, with a number of mountain areas getting three to five inches.  A lot any time of the year, but unusual for May.

Eastern Washington gets substantial rain, particularly in the “extreme drought” area from Yakima to Moses Lake. Rivers are also above normal within the drought warning area.

Now the really depressing thing is that normally there is a major warm spell in mid-May, one that always came like clockwork.  But not this year.

Do you want to experience 70F or more during the next few weeks?  Go to Hawaii.

The latest extended European Center temperature forecast is predicting much colder than normal conditions into the end of June (see below, blue colors are below normal).  Unbelievable.

 Being cold and wet through May, with a bountiful snowpack, has major positive implications for the wildfire season, something I will discuss in a future blog.


noreply@blogger.com (Cliff Mass Weather Blog)
2022-05-11 00:40:00

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