Sunny, then Wet

Sunday, June 19, 2011
6:18 P.M.

Yesterday was very cold and wet. Highs didn’t reach 60 in many places, and Seattle got close to a half inch of rain. That would be a pretty wet day for winter, and although it would be very mild as well, there have been warmer days in December and January. Still, that’s pretty cold, seeing as we are only a few days away from the summer solstice.

I have some good news and bad news. The good news is that we will return to a partly cloudy pattern with highs in the 70s next week. The bad news is that this will end on Thursday. Remember how I was showing that trough of low pressure with the corresponding low heights just offshore in my last blog post? Well, new forecasts show that this trough will move further onshore, giving us showers, clouds, and cool weather. Bummer.

UW 12z WRF-GFS 1000-500mb thickness at 5 P.M. Thursday, June 23
3-hour precipitation, same model, same time 
Bottom line: Monday-Wednesday – good days to get outside. Thursday onwards will be cool with periods of light rain from time to time.
Thanks,
Charlie
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