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May 2021 Discussion


weatherwiz
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56 minutes ago, dendrite said:

HRW-FV3

Pivotal has it too

So the new HREF is now more GFS based instead of the old that was NAM based is how I read it?

“All HiresW-FV3 domains are initialized from a 6 h old cycle of the
Global Forecast System (GFS).  Previously the HiresW-NMMB
utilized North American Model (NAM) surface conditions for all
non-Guam domains, and took atmospheric initial conditions from
the Rapid Refresh (RAP) for the CONUS and Puerto Rico domains.”

”The HiresW-FV3 also utilizes a very different set of
physics than the HiresW-NMMB being replaced.  In both models no
parameterized convection is used, but the HiresW-FV3 otherwise
is using GFS-style physics, while the HiresW-NMMB utilized NAM-
style physics.”

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7 minutes ago, powderfreak said:

So the new HREF is now more GFS based instead of the old that was NAM based is how I read it?

“All HiresW-FV3 domains are initialized from a 6 h old cycle of the
Global Forecast System (GFS).  Previously the HiresW-NMMB
utilized North American Model (NAM) surface conditions for all
non-Guam domains, and took atmospheric initial conditions from
the Rapid Refresh (RAP) for the CONUS and Puerto Rico domains.”

”The HiresW-FV3 also utilizes a very different complete piece of shit set of
physics than the HiresW-NMMB being replaced.  In both models no
parameterized convection is used, but the HiresW-FV3 otherwise
is using GFS-style physics in an attempt to embarrass NCEP to go the global stage, while the HiresW-NMMB utilized NAM-
style physics.”

Right - so now American technology has NO viable modeling option

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6 minutes ago, powderfreak said:

So the new HREF is now more GFS based instead of the old that was NAM based is how I read it?

“All HiresW-FV3 domains are initialized from a 6 h old cycle of the
Global Forecast System (GFS).  Previously the HiresW-NMMB
utilized North American Model (NAM) surface conditions for all
non-Guam domains, and took atmospheric initial conditions from
the Rapid Refresh (RAP) for the CONUS and Puerto Rico domains.”

”The HiresW-FV3 also utilizes a very different set of
physics than the HiresW-NMMB being replaced.  In both models no
parameterized convection is used, but the HiresW-FV3 otherwise
is using GFS-style physics, while the HiresW-NMMB utilized NAM-
style physics.”

I think it just specifically replaces the old WRF NMM model. I don't think the other hi res models changed to a more gfs based physics. 

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26 minutes ago, dendrite said:

A bunch of shoreline stations are 81-83. With WNW flow it may be near legit.

Yeah it’s 81 here and their trajectory is lower el from this region.  
 

I mean they may have a warm problem with instrumentation at that particular site but today is not a good day to test that assumption
 

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17 minutes ago, CoastalWx said:

I think it just specifically replaces the old WRF NMM model. I don't think the other hi res models changed to a more gfs based physics. 

Ahh you’re right.  I see it now.  It just replaced that specific NMM family within the larger HREF ecosystem.

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43 minutes ago, moneypitmike said:

77* at mi casa with a lot more clouds than sun.

Just listed my two window units  for sale.  No installs for me.

Lol....new ones are cheap.   Kind of like selling an old tv....   Find a relative or friend in need.   

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40 minutes ago, ORH_wxman said:

Euro has a NW flow severe threat on later Sunday....we actually tend to do better on those.

Has a decent look synoptically but very little CAPE as modeled. Will be interesting to see if this changes over time. 

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31 minutes ago, RUNNAWAYICEBERG said:

77/46, can’t beat this. What a large coc stretch we’ve been feeling. We’ll mix in some dewy days over the weekend and but more coc incoming.

Doom and Gloomers running for their lives this spring.   Lots of sunny days this year

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36 minutes ago, CT Rain said:

Has a decent look synoptically but very little CAPE as modeled. Will be interesting to see if this changes over time. 

Not holding my breath considering it's New England, but I'd bet the CAPE would look better as we get closer on that synoptic look. It would be useful if the flow at sfc was a little more southerly.

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57 minutes ago, RUNNAWAYICEBERG said:

77/46, can’t beat this. What a large coc stretch we’ve been feeling. We’ll mix in some dewy days over the weekend and but more coc incoming.

Early indications say yes. Meh mild up and we're back to it.

Early indications of a cold front pushing through early next week,
  bringing an end to the early summer regime. 
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7 minutes ago, ORH_wxman said:

Not holding my breath considering it's New England, but I'd bet the CAPE would look better as we get closer on that synoptic look. It would be useful if the flow at sfc was a little more southerly.

Definitely. Was surprised when I saw that look to see so little CAPE explicitly modeled. Worth keeping an eye on. 

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