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Monday, May 11, 2020 Gusty t’storms


weatherwiz
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  On 5/11/2020 at 11:37 PM, Brewbeer said:

Biggest hail storm in about 10 years for me, some legit nugs in there.  Impressive !

More frozen in the last 20 minutes than the last 20 weeks it seems like.

 

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Not sure where you are at but the cell definitely spiked up through Agawam, Forest Park, and E Longmeadow.  Maybe also up into Chicopee.  Has weakened a bit since.  Anyway, congrats.

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  On 5/11/2020 at 11:29 PM, mreaves said:

Nothing compared to the look on my wife's face when she looked out the window.

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My wife is livid.

  On 5/11/2020 at 11:31 PM, CoastalWx said:

Wow. That’s sick, but they are getting deformed so tons of latent cooling.

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My backyard now.  Increasing rapidly.

This is wild.  What an over-performer on May 11th.  Just pounding snow.

2L8A5301_edited-1-1.jpg.b25ca6dd52f60300a7da9ea6055e0d0e.jpg

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  On 5/11/2020 at 11:43 PM, CoastalWx said:

You love to see it. Latent ftw.

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Honestly the models handled it pretty well. RAP forecast soundings have MVL pounding snow right now.

Pretty isothermal up to 2500-3000 ft, but cools that layer quickly from 23 to 00z on the forecast soundings. So you drop a bunch of aggregates into the near surface isothermal zone and you cool from melting down to freezing. Great stuff.

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  On 5/11/2020 at 11:52 PM, OceanStWx said:

Honestly the models handled it pretty well. RAP forecast soundings have MVL pounding snow right now.

Pretty isothermal up to 2500-3000 ft, but cools that layer quickly from 23 to 00z on the forecast soundings. So you drop a bunch of aggregates into the near surface isothermal zone and you cool from melting down to freezing. Great stuff.

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The QPF seemed to over-perform too.  I mean the summits had to get wrecked with a fast 6-10".

 MVL had 0.76" water in the past 6 hours with H85 of around 0C, that'll bring snow to the surface.

Last four hours especially:

5pm.. 0.19"

6pm... 0.17"

7pm... 0.12"

8pm... 0.16"

That's how you dynamically cool off... keep throwing 0.10-0.20" per hour into the bucket. 

This was more exciting for the surprise factor than the other day locally.

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  On 5/11/2020 at 11:52 PM, OceanStWx said:

Honestly the models handled it pretty well. RAP forecast soundings have MVL pounding snow right now.

Pretty isothermal up to 2500-3000 ft, but cools that layer quickly from 23 to 00z on the forecast soundings. So you drop a bunch of aggregates into the near surface isothermal zone and you cool from melting down to freezing. Great stuff.

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Yep. I didn’t look closely, but I see what you are  saying. Epic.

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