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
Back home now after 4 awesome nights in the rainier area. Because we didn't check the models for a couple days, we went back up the mountain Saturday evening expecting it to dump snow on us overnight, which never happened to our complete surprise, it was mostly dry the entire night, until the morning we started getting heavy snow which continued til some point last night, and then it turned to off and on heavy snow, I'm not sure when the change of forecast happened on the models for Saturday night, it surprised us to say the least. We didn't summit rainier yesterday which was we didn't expect to do anyways, it was just a day for doing some more Glacier training in whiteout conditions.
This morning we experienced some of the most extreme weather we've ever seen, 10k elevation at camp Muir from 3-5 AM we were experiencing 100mph gusts with temps in the low teens, once we started decending at 8am the gusts were still in the mid 90sMPH and 110sMPH on exposed ridgelines, which was impossible to ski in without repeatedly getting knocked over by the wind, but it was beautiful once we got down to Paradise.
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