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
More big storms to open the month day 3 targeting eastern Nebraska and western Iowa again, hopefully not as bad as the past 2 days. Maybe those who missed out or didn't get as much rain as they wanted with the current system can score with this one.
The official H/L yesterday was 80/54 there was no rainfall the sun was out 39% of the possible time. It was yet another windy day with a average wind speed of 16.5MPH and the highest wind gust of 45 MPH. (with no thunderstorms) For today the average H/L is 63/42 the record high of 83 was set in 1901 the record low of 24 was set in 1945. The most rainfall of 1.45” fell in 2020. The most snowfall was 0.9” in 1961. Last year the H/L was 57/42.
The official high of 80 yesterday was the 8th warmest for any April 27th and was the warmest on the date since 1990. The overnight low and current temperature here in MBY is 63 and there is light rain falling at this time.
What a night 4.85 inches of rain has fallen with this round and steady rain is still falling. Flash flood warnings are in effect and for the first time in almost 3 years all of our farm ponds are full. ATM my 3 day storm total is at 7.65 inches and I wanna give a nod to the GFS and HRRR for being the only models to consistently show this much rain. More rain is expected today and a slight risk for severe weather this afternoon.
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