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
Over 2.5” inches of rain here so far… this has been one of the most active overnights of weather in recent memory in Eastern Nebraska. We had multiple rounds of heavy rain and severe warned storms between 10pm and midnight, and an even stronger round early this morning with severe winds and hail with the main line.
Western and northern parts of the Omaha metro are nearing 6” of rain… this is crazy.
The official H/L yesterday at Grand Rapids was 83/52 there was a reported 0.18” of rainfall, the sun was out 35% of the time. The highest wind gust was 32 MPH out of the W. For today the average H/L is 72/50 the record high of 91 was set in 1977 the record low of 31 was set in 1969 the most rainfall of 2.46” fell in 2004. Last year the H/L was 76/42.
While the official rainfall amount for GR yesterday was 0.18” here in MBY I recorded 0.57” is two rounds of thunderstorms one in the morning and one in the afternoon. While there were severe storm warnings for the afternoon storms the morning storm had the most rainfall here. The overnight low and current temperature here is 59 with cloudy skies currently. Note there was no severe weather with either storm here NW of Grand Rapids.
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