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May 2026 Obs/Discussion


weatherwiz
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41 minutes ago, Typhoon Tip said:

I'm not sure the FIT one is right.  

There is/was a warm boundary sort of washing out overnight, but at 1:35 am that site was 61 F like everywhere around it within 10 clicks, then ...2:15 am it's 77.  Seems a bit handsome for that hour of the night.  I checked some of the surrounding NWS tweener sites and they did show a modest indication for some sort of warmth penetrating the sfc but not 15 to 17 worth - not even close to that amount. 

Not sure.  Seems suss

Looks legit to me. They mixed out. There were random periods of overnight mixing across the region…like at MPV.

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16 minutes ago, dendrite said:

You can see how quickly it shot up once that wind went from calm to like 10+ sustained.

image.png

yeah... I wasn't sure.  It just looked too much.  I couldn't find any surrounding sites that matched that amount. 

The other aspect ...  that FIT site's in a bowl.   ...figuratively speaking.  It's like the lowest spot around that immediate countryside.  Winds being so light at the regional scope doesn't lend to scouring out at 2am but who knows.   Having said that ... FIT has always appeared right to me in the past - not a lot of history of odd ball numbers, either.  'c'mon FIT! what are ya doin' to me'

Sterling  7 or so miles away, S along 91 around the same time FIT had it's 16 point bump

Weather conditions for:
EW4324 Sterling, MA (APRSWXNET/CWOP - BOX)
Elev: 636.75 ft; Lat/Lon: 42.43967/-71.78417

May 19, 3:00 am 72 63 74   SW 1G4 1017.60 29.38 30.07 0 -- 0.00 0.00
May 19, 2:54 am 72 63 73   SSW 2G6 1017.60 29.38 30.07 0 -- 0.00 0.00
May 19, 2:45 am 72 63 74   SW 2G5 1017.60 29.38 30.07 0 -- 0.00 0.00
May 19, 2:36 am 72 63 74   SSW 2G5 1017.94 29.39 30.08 0 -- 0.00 0.00
May 19, 2:29 am 72 63 73   SW 2G4 1017.94 29.39 30.08 0 -- 0.00 0.00
May 19, 2:18 am 72 63 74   SW 2G8 1018.27 29.40 30.09 0 -- 0.00 0.00
May 19, 2:09 am 72 63 74   SW 1G5 1018.27 29.40 30.09 0 -- 0.00 0.00
May 19, 2:02 am 71 62 74   SSW 1G5 1018.32 29.40 30.09 0 -- 0.00 0.00
May 19, 1:54 am 71 62 74   WSW 1G6 1018.32 29.40 30.09 0 -- 0.00 0.00
May 19, 1:47 am 71 62 74   WSW 1G4 1018.32 29.40 30.09 0 -- 0.00 0.00
May 19, 1:36 am 71 62 74   SW 1G4 1018.32 29.40 30.09 0 -- 0.00 0.00
May 19, 1:29 am 71 62 74   SSW 1G3 1018.32 29.40 30.09 0 -- 0.00 0.00
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