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
I can’t believe how quiet the nights are out here. You can hear a pin drop. So different from back home where the distant sound of traffic on I-495 fills the air.
Cool temperatures this weekend hopefully I can avoid any frost Sunday morning as temps may dip into the mid 30s. Later next week one of the stronger storms in this year's LRC will likely ignite a major sever weather outbreak across the middle of the country. Models are already showing significant amounts of rain in my area but it's gonna have to show me it can actually happen here in the show me state before I get to excited.
The official H/L yesterday at Grand Rapids was 51/42. As has been the case many times this spring it was a windy day with the average wind of 15.3 MPH and the highest wind of 39 MPH out of the W. That wind made it feel much colder than that 51. There was a reported 0.12" of rainfall and the sun was out 94% of the time. For today the average H/L is now up to 60/39 the record high of 83 was set n 1987 and the record low of 13 was set in 1897. (good 4 digit lottery numbers for today) The most rain fall of 2.45" fell in 2000 the most snow fall of 0.4" fell in 1943 the most snow on the ground was a trace in 2013. Last year the H/L was 73/41 and there was 0.16" of rainfall.
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