Really, really lovely cumulonimbus action tonight! I just happened to have my drone in the car and got some solid shots of DT Seattle/Lake Washington/Mercer Island/Bellevue looking north from Skyway. Alas, the focal length of the lens doesn't do the vertical height justice and my WB was off rendering it into semi-gross HDR territory, but still... fun looking weather! It was quite windy- I was flying right at 390 ft and the drone was giving me all sorts of warnings about sustained winds/gusts.
A most incredible snow storm. At times the snowfall rates have been as heavy or slightly heavier than January 2017. Temp 27.5, Dewpoint: 27.1 with gusty east wind and very heavy snow continuing. I'm at 11 1/2" now! UNBELIEVABLE!!!! This pic does no justice at all.
NBM is quite an interesting product! Their weighting algorithm is moderately complex and dynamic, though does has some drawbacks as we saw yesterday. For those who don't know, NBM is an attempt by NOAA to create a super probabilistic forecast model that ingests output from all the models above and outputs forecast guidance for local offices that help them to gauge the relative odds of particular weather outcomes. The 'special sauce' is the post-processing, normalization and weighting that they d
Here in the Fraser Valley we woke up to a stiff outflow that’s still blowing. That’s likely the source of the N wind. Beautiful here in Mission: sunny, 64F with a dewpoint of 19F with the outflow.
North wind has been gusting to 30 mph at SEA this afternoon. Almost no wind out here... North Bend got up to 68. The difference in what this afternoon felt like between SEA and NB had to be pretty significant. 68 with almost no wind feels quite warm. 64 with a north wind gusting to 30 mph likely feels quite chilly. Being blocked from the north wind out here is really nice because that is predominant direction on our really nice days.
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