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Heart of April banter and discussion.


CoastalWx

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Leaf out by Mid April is what we thought. We have it. Mission accomplished

What? Even by looking at traffic cameras in SNE one can tell you guys aren't close to leaf out. Leaf out is like 90% of trees are at warm season leaf density. Not like little buds or a greenish tint to the forest. Sort of like when folks try to pass off peak foliage when only one out of ten trees have changed.

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What? Even by looking at traffic cameras in SNE one can tell you guys aren't close to leaf out. Leaf out is like 90% of trees are at warm season leaf density. Not like little buds or a greenish tint to the forest. Sort of like when folks try to pass off peak foliage when only one out of ten trees have changed.

Yeah not even close. He's being ridiculous.

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I consider leaf out to be >50% full leaves out...not those green flower things on Norwegian Maples. I think the next few days will give everything a boost and things will be quite green on may 1st, but there is some work to do.

Leaf out is when the forest hits it's warm season look of trees filled with leaves. The buds are still just swelling down there giving it that green look.

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Leaf out is when the forest hits it's warm season look of trees filled with leaves. The buds are still just swelling down there giving it that green look.

Is there even a technical definition? I just basically made it up back in March. I figured I'd give Kevin a break and call it greater than 50% and it still isn't close.

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Is there even a technical definition? I just basically made it up back in March. I figured I'd give Kevin a break and call it greater than 50% and it still isn't close.

I'm pretty sure there is but it's not necessarily called leaf out...it has something to do with plants and trees reaching their warm season rates of transpiration and photosynthesis. I could also be making that up but I thought i remember some sort of technical definition from forestry classes in college.

Maybe the NWS folks would know as it ties into fire weather pretty directly.

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models and ensembles look good for a rain storm next weekend.

Guess it's possible the southern stream remains separate and doesn't phase but at least right now some good model consistency.

It's actually more consistent with this threat, than what models showed last week..but yeah it could bust with the srn stream remaining separate.

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Yeah I don't really see any leaves. Just buds.

Most norway maples put out their leaves last night imby. All the flowering trees have their leaves out at this point. But the majority of the larger trees like oaks and stuff still have at least a couple weeks to go.

The red maples have all their little helicopter things out around here but I didn't see leaves yet.

I agree with scooter, we're still probably another week or two away from full leaf out. That is unless little tiny leaf buds count.

Here's the maple from my back yard and most around here are either at this same amount of leaf out or just a day or two away.

post-1511-0-36042900-1334500615.jpg

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Not here, and I'm a mere 10-15 miles NE of the city. It's starting, but only the smallest trees and bushes have actual leaves (the flowering stage before leaf out doesn't count).

We're probably 70-80% here in Manhattan. Every single tree has at least small leaves, and most are well past the flowering stage.

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It's different in urban areas that have not had cold nights. I just came down rt 3 and very little leaf out at all. Mostly just those red buds on maples with a few green flowers on Norwegian maples. Much different in the burbs.

Yea, that has to be it. We've stayed above 40F basically since the beginning of March with a few exceptions (lowest temp between March 10 and now has been 30F here, and lowest temp since April 1 has been 38F).

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