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October 2021


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20 minutes ago, bluewave said:

The main question for the weekend forecast is if the NAM is correct about the inverted trough feature? This is displaced on the NAM well NW of the low. It could result in some locally heavier rainfall near our area. Probably need to wait another few runs to know for sure. But models like the Euro were off and on with this potential inverted trough rainfall enhancement.




those often end up north and east of where modeled as well.  (Assuming it happens at all)

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14 hours ago, donsutherland1 said:

Right now, it looks as if showers and light rain will arrive Sunday morning near 8 am and on and off light rain will persist into the evening. Total rainfall will be somewhere around 0.50”. I wish things looked better. We’ll see what the overnight guidance shows.

Any realistic updates for Sunday, weather friends, or still TBD? Thanks!

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76° at Islip. This establishes a new annual record of 121 days reaching 75° or warmer. The high of 76° so far is average for September 10th.

MacArthur/ISP  PTSUNNY   76  

Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Jan through Dec
Click column heading to sort ascending, click again to sort descending.
Number of Days Max Temperature >= 75 
Missing Count
  2021 121 84
  2007 120 0
  1991 120 0
  2010 118 0
  2011 117 0
  2005 116 0
  2001 116 0
  2016 115 0
  2015 115 0


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4 minutes ago, Brian5671 said:

might end up like the late Sept cooldown a couple days near or below normal....

Yup. You can see at the end of the euro another trough diving into the west coast. Might just be a long enough cool down to remember what fall feels like lol

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3 hours ago, JSG5010 said:

Any realistic updates for Sunday, weather friends, or still TBD? Thanks!

The National Blend of Models has about a quarter inch of rain, mainly from afternoon showers. There remains higher than usual uncertainty as to the potential development and placement of an inverted trough. 

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