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Mid-Long Range Discussion 2026


BooneWX
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3 hours ago, olafminesaw said:

Hmmm. What gives them confidence in high winds that far out? Seems odd. Doesn't seem to be a particularly strong storm signal or anything. 

Pretty good gradient for early May and storm over NE (that does wrap up good) but agree it seems maybe a little strange this far out.  Just used this GFS as an example form 06Z----I think they are looking at this system and the general pattern.  I believe the criteria is 40 mph or higher for 1 hrgfs_mslp_pcpn_frzn_us_29.thumb.png.ce38961b71bb629d5391f7324ba98e1e.pngr. or more.  

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15 minutes ago, NorthHillsWx said:

While it certainly won’t be the rain we were hoping for the cool steady rain is making for quite a pleasant morning here. It pushed just far enough west for Raleigh and the farm in Louisburg to get into the rain shield 

and it has actually pushed a little more west to keep us in it.

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Not super confident on CFS this far out, but this winter, if depicted right or similar, could be interesting in SE.  January below of course, but December-February is an interesting period on CFS but probably changing some.  Do not recall seeing this much below heights in SE in sometime.  Still fun to watch.Screenshot_5-5-2026_74236_www.tropicaltidbits_com.thumb.jpeg.5b0e810f8a0d9a508e2315b5afc7151b.jpeg

 

 

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45 minutes ago, UnionCountyNCWX said:

It almost feels like a snow day with how excited I am for rain tonight. 

Really has continued to look like a widespread soaking is coming tonight/tomorrow. First time in forever it hasn’t collapsed up to this point. There’s still time to fail lol

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1 hour ago, NorthHillsWx said:

Really has continued to look like a widespread soaking is coming tonight/tomorrow. First time in forever it hasn’t collapsed up to this point. There’s still time to fail lol

Latest GFS still showing 2 plus inches for the CLT metro by Friday. Cant believe its this close and not falling apart lol 

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RAH AFD mentioning the possibility of losing QPF due to a "gravity wave".  Wikipedia essentially describes a gravity wave as any wave where gravity is the restorative force, which describes a lot of waves.  There is a section on atmospheric examples but it's very broad.  Anyone care to share on what gravity wave means in the context of NC weather?

 

Waves of moderate showers and storms will continue to be
directed across the Carolina Wed evening into Thurs morning
ahead of a back-door cold frontal passage slowly sagging south
across the southern Mid-Atlantic. Precip chances may be
negatively impacted by any gravity wave development during this
time, which can rapidly erode precip generation in this type of
pattern. By Thurs morning, the combination of frontogentical
forcing and an area of low pressure rippling along the front
will likely bring another round of widespread showers and
isolated storms before shifting east of the area by late Thurs
evening. Uncertainty in timing of the fropa is resulting in
lower confidence in the development of an unstable air mass
supportive of surface-based convection Thurs afternoon, which
will be needed to realize any severe potential. Strong and
increasing shear with height will be highly favorable for storm
organization, but conditional on development of deep convection
first.

Storm total rainfall through Thurs evening looks to bring much
needed rain to the area with the reasonable low-end from the
HREF still producing a swath of 0.75 to 1" somewhere over the
Carolinas. However, the experimental REFS paints a troubling
alternate scenario with reasonable low-end amounts closer 0.25
to 0.5". With the potential for gravity wave development and
more quickly eroding shields of precipitation, this scenario
can`t be ruled out.
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11 minutes ago, cbmclean said:

RAH AFD mentioning the possibility of losing QPF due to a "gravity wave".  Wikipedia essentially describes a gravity wave as any wave where gravity is the restorative force, which describes a lot of waves.  There is a section on atmospheric examples but it's very broad.  Anyone care to share on what gravity wave means in the context of NC weather?

 

Waves of moderate showers and storms will continue to be
directed across the Carolina Wed evening into Thurs morning
ahead of a back-door cold frontal passage slowly sagging south
across the southern Mid-Atlantic. Precip chances may be
negatively impacted by any gravity wave development during this
time, which can rapidly erode precip generation in this type of
pattern. By Thurs morning, the combination of frontogentical
forcing and an area of low pressure rippling along the front
will likely bring another round of widespread showers and
isolated storms before shifting east of the area by late Thurs
evening. Uncertainty in timing of the fropa is resulting in
lower confidence in the development of an unstable air mass
supportive of surface-based convection Thurs afternoon, which
will be needed to realize any severe potential. Strong and
increasing shear with height will be highly favorable for storm
organization, but conditional on development of deep convection
first.

Storm total rainfall through Thurs evening looks to bring much
needed rain to the area with the reasonable low-end from the
HREF still producing a swath of 0.75 to 1" somewhere over the
Carolinas. However, the experimental REFS paints a troubling
alternate scenario with reasonable low-end amounts closer 0.25
to 0.5". With the potential for gravity wave development and
more quickly eroding shields of precipitation, this scenario
can`t be ruled out.

Wouldn’t that be some sh*t

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Hate it has to be like this but yea, the CAMs are less than enthusiastic about rain north of I-85. I hope they’re wrong but drought breeds drought. I’m happy for folks in SC and Georgia though. They need it just as bad as we do in NC. 

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