Some amazing rain today...here is the radar image at 9:56 PM tonight...wow...lots of yellows--that is all heavy rain. It is pounding on my roof right now.
And today with the front there was a very intense rainfall band crossing the Sound around noon...here is the radar image. If you look closely, there were some reds in there....a downpour, probably with some small hail mixed in.
You might be interested in the quantity you are looking at in these images...they are reflectivity--a measure of the scattering of the microwave radiation emitted from the radar. The units are dbZ. You know about dbs on your sound system (db stands for decibel)..a logarithmic system for noting sound volume. This is a logarithmic scale for radar reflectivity.
5-10 greys-light mist or drizzle
15-25 light reds or pinks--light rain
40-45 -heavy rain...yellows
Above 50--either absolute pouring or hail (reds)
Here is the rain over the past 24-hours from Seattle Rainwatch...some locations have gotten 1.5-2.5 inches today. Nice rainshadow.
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