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Spring/ Summer 2014 Convection Discussion


weatherwiz

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Remember there is some instability after dark, be surprised if whatever is left of cells to our sw near nyc or so don't make their way northeast as at least downpours

Plenty of surface based, not much mixed layer. Good heavy rain tonight west of ORH, but I doubt there'll be many bangers. 5% outlook for ENE tomorrow, everyone is getting some love.

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Latest HRRR fires another line of strong (potentially severe) storms across the Hudson Valley in a few hours, reaching W CT by 6 p.m. It is, however, banking that the current line/boundary goes poof. The area to watch may very well be just NW of where the pre-frontal boundary is now. Assuming they can destabilize enough.

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Dew just hit 70F all the way up here at MVL...pretty steamy air but no sunshine.  77/70 right now.  Severe threat looks very low up this way.  Good luck down south.

Yeah, just cloudy muggy, light showers.  Not much downstream for C/NNE.  I'm surprised how little there is for Western New England.

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OKX and ENX VAD are not really impressive for directional shear at the moment..it's all over eastern areas. You'll need the LLJ to back a bit and sharpen. Models did try to do that over the next few hours so we'll see. Hopefully the anvil canopy doesn't mess up convection up stream.

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OKX and ENX VAD are not really impressive for directional shear at the moment..it's all over eastern areas. You'll need the LLJ to back a bit and sharpen. Models did try to do that over the next few hours so we'll see. Hopefully the anvil canopy doesn't mess up convection up stream.

keep the llj here so we can maintain the storms lol
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OKX and ENX VAD are not really impressive for directional shear at the moment..it's all over eastern areas. You'll need the LLJ to back a bit and sharpen. Models did try to do that over the next few hours so we'll see. Hopefully the anvil canopy doesn't mess up convection up stream.

 

I think anvil FTL

 

The hi-res models didn't show that stuff over NYC going so nuts. I think that's going to cause some problem with the severe threat across SNE.

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Earlier runs of the RPM and HRRR had it, but then sort of developed a line too.

Yeah, the HRRR had it, but was more optimistic with some discretes still gaining dominance across N CT and Mass. Really always thought it was a later game based on guidance though, with the NAM and HRRR going gangbusters closer to 22-00z. IF we had broken out more we'd be realizing some of those higher CAPE progs too, so now it's a messy mode with a marginal thermodynamic environment. Lapse rates were meh and LIs weren't where you'd like to see them for sig severe either.

Other writing on the wall was the wind profile which never really had much backing. The higher res models were more keen on a SErly component across much of SNE instead of this messy S-SWrly. The HRRR wanted to maintain impressive sig tor values (over 1) and firm backing where there's just a bunch of junk right now.

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I think anvil FTL

 

The hi-res models didn't show that stuff over NYC going so nuts. I think that's going to cause some problem with the severe threat across SNE.

 

Agree. The stuff coming up from the city is going to hindered by its own anvil shadow and debris blow-off, with inflow of good air cut off by the stuff further out on LI. Looking like a lot of rain for S CT, and maybe not much else.

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First tor warning of the day... South of Baltimore XD. Actually pretty beefy HP supercell, strong RFD. Anyone know how to get radarscope screenshots up here on android?

Install Imgur Android

then when you get to the share menu in radarscope, select Imgur, it will upload the image and tell you the URL for it

I just did it

fnLUkY1.png

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