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
After yesterday's chilly day today will be another day with high temps running near 7 degrees below normal with readings in the upper 50's. We get back to near normal temps tomorrow before dropping back to the mid 50's on Sunday. We should see normal to below temps for much of the next 10 days or so. Some shower chances tonight and again by Tuesday night into Wednesday.
Chester County records for today: High 93 degrees in West Chester (1976) / Low 24 degrees at Coatesville (1904) / Rain 2.05" Coatesville (1943) / Snow 5.5" in Coatesville (1983)
It was a matter of time before my luck ran dry. Still don't think I ended up with any t'storm with this latest event.
Might as well just assume a lot of them past I-75 break apart and become light showers with the events that bullseye around Paducah. Sometimes locations directly south of me will still get a storm and not me. I've seen I-64 also act as a weather barrier at times.
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