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
Dry lovely day yesterday, and pouring down rain now! I thought it was supposed to be the opposite were yesterday was going to be wet and today much nicer? C’MON!!
Put the A/C on yesterday evening to get the warmth out of the house and discovered that it's broken. Not the most ideal timing given the forecast highs tomorrow and Tuesday, but at least it's not mid-summer.
After another 0.09" of rain yesterday here in East Nantmeal we are way above normal rainfall for the year and almost normal so far here in May. Great news for the local farmers! Today should see the sun returning at times with temps not too far from normal in the low to mid 70's. Sun from Monday through Wednesday with temps warming into the low 80's. Shower chances by Thursday before the sun returns with temps about normal for Memorial Day weekend.
Records for today across Chester County: High 96 degrees at Phoenixville (1962) of note all 9 reported weather locations on that date in 1962 had highs between 93 and 96 degrees. Record cold was 33 degrees at Kennett Square 2S (2009) / Record rain was the 4.85" that fell in West Chester (1900). All 4 reporting locations that day recorded big rain totals with Phoenixville 4.72" / Coatesville 1SW 3.46" and Kennett Square 2.75"
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