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
Been completely shafted this event, probably by half a mile on four separate bands. Starting to get to the point where I don't even want to look at radar anymore because I already know what I'm going to see
Fuuuuuuuuuuuuunk these pscz setups, they're way too fickle and unreliable. We need a solid azz FRONT and PRONTO
I think it’s more spectacular that the “boom” heard was the flashing of water to steam, namely Spirit Lake. What didn’t flash into steam was part of that tsunami that was hundreds of feet high. Heat shock likely killed Johnston & Truman before their brains registered pain.
I was a 1-year-old living in Kelowna, so I was years away from appreciating the significance of the event. After seeing a 10 year anniversary special on TV, I got hooked on this event. My folks remember that in the southern interior of B.C. that the sky got hazy. Not black like southern WA. The sonic boom wasn’t heard in the southern interior, but it was heard in the Fraser Valley.
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