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Remnants of T.S. Andrea to Impact the NE - Flood Threat!


moneypitmike

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The flooding in VT wasn't because of getting extremely exhorbitant amounts of 20" or something like that...it was 6-9" or so of rain in 6 hrs over mountainous terrain.

Yeah, it was a widespread 4-8" in under 24 hours (most of it in 12hrs) coupled with mountainous terrain that funnels some huge watersheds into streams in the mountain valleys. Naturally the mountain valleys near the waterways are where the village centers are located and most roads follow these rivers through the mountains, so this place is set up for big-time infrastructural damage during big flood events.

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CT Blizz coming back?

lol the meso-scale models seem prone to going over-board with tropical moisture. No link or proof, but just a feeling that the 4km models are going to try and squeeze too much liquid out of this situation (which seems to be an issue with those models all year round).

But even half of those values is a lot of freakin' rain.

Anyway...56F -RN. Lovely out there.

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And there it is, ready to go and serve his people.....for he is the Sultan of Sandbags, the Pawcatuck Protecter. With lives at stake, he quickly leaps into the air...snapping cottonwood trees and breaking his gutters as he does so.

that and a 8 foot hole in the roof. MY call CT river jackpot 3-4 lollis of 5, 1-3 elsewhere
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lol the meso-scale models seem prone to going over-board with tropical moisture. No link or proof, but just a feeling that the 4km models are going to try and squeeze too much liquid out of this situation (which seems to be an issue with those models all year round).

But even half of those values is a lot of freakin' rain.

Anyway...56F -RN. Lovely out there.

orographic payback
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CT Blizz coming back?

 

Wtf ?    If that happened verbatim there'd be catastrophic flooding -- you can't get 10" under 24 hours and expect otherwise.  It's hydrologically impossible to remove that in a timely fashion.  Let's hope the model's just on a 'roid rage

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Wtf ? If that happened verbatim there'd be catastrophic flooding -- you can't get 10" under 24 hours and expect otherwise. It's hydrologically impossible to remove that in a timely fashion. Let's hope the model's just on a 'roid rage

yeah that is not going to happen
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You know ... imagine if one of those came out of the eastern Gulf in late November, when there was a fresh antecedent -2 SD air mass sitting over New England.   As Sandy showed us, winter and summer can french kiss and get down right nasty together.  

 

60" of snow ?   I'm sure at some point in the million year history of New England's geology something like that freak has happened, where a TC went up the E coast and just lops it's self over a hefty cold dome.   0 vis snow for 8 straight hours and 7" an hour.   

 

Is there an upper bounds to what can happen.  

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You know ... imagine if one of those came out of the eastern Gulf in late November, when there was a fresh antecedent -2 SD air mass sitting over New England.   As Sandy showed us, winter and summer can french kiss and get down right nasty together.  

 

60" of snow ?   I'm sure at some point in the million year history of New England's geology something like that freak has happened, where a TC went up the E coast and just lops it's self over a hefty cold dome.   0 vis snow for 8 straight hours and 7" an hour.   

 

Is there an upper bounds to what can happen.  

 

Great White Hurricane... one can dream it'll happen in our lifetime.  :snowing:

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Great White Hurricane... one can dream it'll happen in our lifetime.  :snowing:

 

 

Doesn't have to be a hurricane, really.   This one may have almost zippo wind in the interior amid that rain band.  You just need some kind of super rare freak-show PWAT air to be hefted over a cold baroclinic wall and you got all kinds of hell to pay...

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Wtf ?    If that happened verbatim there'd be catastrophic flooding -- you can't get 10" under 24 hours and expect otherwise.  It's hydrologically impossible to remove that in a timely fashion.  Let's hope the model's just on a 'roid rage

 

Hmmm, I had 9.39" in Irene in less than 24 hours and there was no catastrophic flooding here

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Doesn't have to be a hurricane, really. This one may have almost zippo wind in the interior amid that rain band. You just need some kind of super rare freak-show PWAT air to be hefted over a cold baroclinic wall and you got all kinds of hell to pay...

You're essentially getting at like a 4-7" QPF event. Seems hard to get in a winter/cold airmass...I guess it would have to be some ridiculous overrunning solution leading up to a whopper of a coastal storm. We've all seen what like 3"+ QPF can do (like last Feb in CT, or April Fools)...but I'm not sure how you take QPF one notch higher. In fact, didn't April Fools 97 have some 5" QPF amounts?

Closest I can think of to 60"+ amounts is the Feb 2010 ordeal in the Catskills of NY where towns picked up 4-7 feet of snow in 5 days (two storms).

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We were never in it for the winds, with the center passing to our east

True, but I did have 7.56" for that August going into Irene.

The second highest crest in the Farmingtons history occurred from Irene, which river is near you?http://water.weather.gov/ahps2/river.php?wfo=box&wfoid=18682&riverid=203852&pt%5B%5D=all&allpoints=141186%2C144360%2C143707&data%5B%5D=crests
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We were never in it for the winds, with the center passing to our east

What does Fairfield have to do with FLA?

 

65 ,mph sustained my arse........the obs out of florida were a total bore and dissapointing not even close to anything fun gust to what 54, pathetic.

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Winds were a bore in FLA:( Bring on the flooding I guess?

I'm not sure why anyone was hyping/hoping for winds, outside of, let's say the outer Cape and islands. Someone was trying to argue with me that coastal CT would have tropical storm-force winds tomorrow night. Good luck with that.
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What does Fairfield have to do with FLA?

 

65 ,mph sustained my arse........the obs out of florida were a total bore and dissapointing not even close to anything fun gust to what 54, pathetic.

Actually the winds at the buoys were 50 knots plus, so while at sea it verified.
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