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February mid to long range threats discussion


Ji

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GGEM is doing what we want to happen, but too far north. Primary gets up to Erie/Cleveland. :axe:

It has defined slp circulation moving from kansas to iowa early on. That's not going to do it for us. We need a gfs like solution. At least there's a cad sig and some front end snow. I'll take anything that isn't dry or all rain.

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It has defined slp circulation moving from kansas to iowa early on. That's not going to do it for us. We need a gfs like solution. At least there's a cad sig and some front end snow. I'll take anything that isn't dry or all rain.

What would great would be the old fashioned 4-6 thump ending in drizzle so we build a glacier with the cold behind the storm.

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At this lead I interpret the model output as "windows of opportunity".  I would be worried if it were showing a big hit for Monday. On the other hand the storm for next Thursday looks legit.  

on the one hand, I agree

but reality here says we can find sooooo many ways to squander opportunities that I (personally) am left with little solace over the existence of opportunities

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Front end thumps can be productive

Yep, and I'll take anything. I can fully enjoy snow falling and accumulating knowing full well it may get washed down the drain. At least I won't have to shovel.

When I said won't do it for us I mean an all snow event. That's what we're all hoping for even if being irrational is in the mix.

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Not only has the GEFS trended much more assertive with the northern stream/PV but it is actually more amplified/colder and a bit slower with the trough when compared with the op. So we know this is a legit ensemble signal to lean toward a dominate northern branch....and just like that, the inland runner scenario became less likely today per the GFS suite.

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Other than 12/14/03, can you remember any other real thumps that got washed away by rain in the same storm? Almost always here, it's front end thump to drizzle or a non-event (coating to touch of ice to rain). 

 

yes...it usually dries out after the switch...I think 1/17/08 was pretty much a disaster...but they aren't that common...you retain the snow pack...

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My 2 cents...  I still like this period, its not an A+ pattern, maybe more of a B but it has potential.  Looks like we have at least 3 chances to score next week.

 

What I like...EPO continuesarrow-10x10.png to send cold into the CONUS and the STJ is going to get active after the SOI tanking.  That means we will have cold around, highs lurking, and gulf systems getting thrown at us.  I will take my chances with that setup. 

 

What I don't like... we have a decent NAO early on then it seems to want to go back into positive territory.  That means we need to get a little lucky with timing up the waves and the cold.  Phase too soon and it cuts, too late and its OTS.  Still give me enough chances with gulf systems and cold in place and I will go with that pattern.  I think the first system has a shot but the problem for me is the PNA ridge is being knocked down at just the wrong time.  So we have a decent NAO but lose the PNA.  That might be why the storm either cuts or is having trouble amping where we want it.  The PNA may be flattening the trough in the east and making it hard for that storm to be an amplified coastal.  Might be either an inland runner or a POS strung out storm.  I like the next two chances even better.  Yea we lose the NAO but is not really an ideal NAO anyways and we get the PNA ridge back.  To me that might do us more good.  Give me 2 gulf systems attacking cold with a good trough axis and screw the NAO we have a shot.  Odds aren't good we get hit by every one of these but I think we can score one decent flush hit and that is all i want at this point. 
 

 
 
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Front end thumps can be productive

 

Agreed. Obviously I have an advantage based on location. The GGEM is kinda showing what I was talking about earlier. It has a 1032 HP out in front of the storm. Builds the cold air in just in time for a decent thump. We will see rain then dry up quickly at the end. But as depicted. Its a nice hit for all of us.

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It's definitely nice to hear the gefs is moving away from the cutter idea. Pattern suggesting a miller b which can perform decently depending on the details of the transfer which will probably be a bumpy ride on the op models unto we get closer to game time

Sent from my iPhone using Tapatalk

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Other than 12/14/03, can you remember any other real thumps that got washed away by rain in the same storm? Almost always here, it's front end thump to drizzle or a non-event (coating to touch of ice to rain). 

There was one in the 90's if I recall that started beautifully, but once the coastal blew up, a SE wind warmed the column down to the surface.  I think it was a December storm.

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