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 this weekend looks more or less climo with a baby trough tucked in there no? I would be totally on board with 70s/partly cloudy and some light showers every few days.
Seems we go through this every May-September: Models show a ridge in the 1-5 day range. Models diverge on day 6-10 with the ridge rebuilding vs. Nominal troughing. July-Sep the ridge rebuilding dominates the solutions. The cold and warm camps are set. Least I pretend to be neutral, warm n’ dry from May-September is fine by me.
An increasingly chilly day with the wind becoming onshore from the chilly atlantic waters today. Shower chances increase this afternoon. Tomorrow will be a very raw day for May with temps in the higher spots of Chester and Berks counties struggling to escape the 40's to around 50 degrees. Saturday looks like the driest day of the weekend. But the weekend as a whole will not be a washout.
Chester County wide records for today: High 96 degrees at Phoenixville (1936) / Low 25 degrees at Coatesville 1SW (1947) / Rain 2.46" at Glenmoore (1992)
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insta pin. glorious cloud pics!
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