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March 6-8th Ocean Storm Discussion Part III


Baroclinic Zone

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Straight question, so you're expecting an inch or so of rain down by Bob?

 

BOX has 4-6 for him... I'd probably do like a 5-10 band from ORH down to TAN to include those elevated spots like Foxborough and Sharon but I don't think we're that far off.  Then 3-5 for Boston and vicinity down toward you. 

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Yeah not sure why everyone's bashing it. 

 

 

I think its going to be too low over a good chunk of the CP from interior SE MA to perhaps up by Ray and also low out in the ORH hills to NW RI...but I could def be wrong. I understand why they are going conservative, but I personally just don't agree with it.

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The grids and 4" probability maps leans closer to the 4+ end of the 2-4 their official map has.

 

I think 4-8 is probably reasonable, but understand the 3-5 in the WWA.

 

I mean there is a bust potential, but it's not like I look at the map and ask what are they smoking...put it that way. 

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I think its going to be too low over a good chunk of the CP from interior SE MA to perhaps up by Ray and also low out in the ORH hills to NW RI...but I could def be wrong. I understand why they are going conservative, but I personally just don't agree with it.

 

I would probably do like 5-10 from Bob up to you - so yeah they are conservative - but I don't think it's a terrible call. 

 

I think at least for a while they'll struggle with boundary layer issues and I think the mesoscale models are just way too robust. 

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Wow at the GFS...that's a scraper with the firehose.

 

what's funny about that...  The GFS hammered a bigger deal for like 8 cycles or whatever large number of runs it was, and the Euro wanted nothing to do with it.  Now that we are almost right on top of the thing, the GFS is whiffing and the Euro ...while not directly impacting, is on the same page with the NAM in creating that indirect deep layer conveyor event.   

 

If the latter verifies, the GFS clearly had absolutely zippo clue about this system other than to acknowledge there was anything at all on the maps.  

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I think its going to be too low over a good chunk of the CP from interior SE MA to perhaps up by Ray and also low out in the ORH hills to NW RI...but I could def be wrong. I understand why they are going conservative, but I personally just don't agree with it.

 

I do agree it's prob a bit too low for ORH and the hills of int se ma. 

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Why do you sign your posts? We know who posted it.

 

<---- It's right over there.

 

Sorry, I've just always been curious.

It's a sense of responsibility I guess, I feel like by putting my name on it, I'm accountable for what I'm saying. also because I write a zillion emails, and sign them with the same style, so it just comes natrually I guess.... I've come very close to sending a work email signed skisheep, caught it just in time :)

 

 

 

GFS is ugly...

 

-skisheep

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BOX has 4-6 for him... I'd probably do like a 5-10 band from ORH down to TAN to include those elevated spots like Foxborough and Sharon but I don't think we're that far off. Then 3-5 for Boston and vicinity down toward you.

Yeah it doesn't have to be an inch of rain or 20-30" of snow. You can still have an 8 inch snowfall that's like 5:1 slop at 34F with a bunch of drawn out QPF falling as just wet snow that really has a hard time accumulating unless rates are high. Or you are melting as fast as its falling in those marginal areas when you aren't ripping.

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I don't buy the mesoscale models at all. I think they're way overdone. 

They are the high rez nam sim radar had a wall of precip in here by 6ish, the radar is abysmal.  How the american guidance could be any further apart is actually pathetic, nearing 20 inches of snow on the nam for western ct to a couple inches on the gfs.

 

What is going on?

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BOX has 4-6 for him... I'd probably do like a 5-10 band from ORH down to TAN to include those elevated spots like Foxborough and Sharon but I don't think we're that far off.  Then 3-5 for Boston and vicinity down toward you. 

Gotcha, I think I'm kind of screwed with temps but that hasn't changed.

 

GFS was woeful at 18z in the Delmarva from what I can tell.  Didn't really get that close to .5 where probably 1" will fall. The other cluster of models was reasonable.

 

http://mag.ncep.noaa.gov/Image.php?model=gfs&area=namer&param=precip_p06&cycle=18ℑ=gfs%2F18%2Fgfs_namer_006_precip_p06.gif

 

http://www.wrh.noaa.gov/mesowest/gmap.php?map=akq

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18z gfs says round 1 will be over at 1am in CT. lol that would make it a few hours in duration.. is it possible we don't see a flake from round 1?

I'm tossing it, that seems crazy that it's shutting it off by 1 AM, nothing else agrees with it whatsoever, and not just because of low QPF, shutting it off so early makes no sense to me...

 

-skisheep

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what's funny about that... The GFS hammered a bigger deal for like 8 cycles or whatever large number of runs it was, and the Euro wanted nothing to do with it. Not that we are almost right on top of the thing, the GFS is whiffing and the Euro ...while not directly impacting, is on the same page with the NAM in creating that indirect deep layer conveyor event.

If the latter verifies, the GFS clearly had absolutely zippo clue about this system other than to acknowledge there was anything at all on the maps.

I'm still laughing at those GFS runs that had warning snows all across both BTV and GYX's CWAs. One run had like .75" QPF north of Montreal, lol.

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what's funny about that...  The GFS hammered a bigger deal for like 8 cycles or whatever large number of runs it was, and the Euro wanted nothing to do with it.  Not that we are almost right on top of the thing, the GFS is whiffing and the Euro ...while not directly impacting, is on the same page with the NAM in creating that indirect deep layer conveyor event.   

 

If the latter verifies, the GFS clearly had absolutely zippo clue about this system other than to acknowledge there was anything at all on the maps.  

 

 

It's actually a little better than the 12z, and is starting to form up the firehose a bit better.  Look at the QPF up towards Ray, it's increased a smidge in the tight gradient . 

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that was a very brief band , i'd think

 

 

Yes its cellular stuff...but its going to be sticking pretty quick now with darkness falling and temps below freezing already...should be increasing in coverage too as we go through the evening. Shows how chilly the airmass is aloft.

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