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Coastal Storm Potential - Jan 11-12 II


Baroclinic Zone

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:thumbsdown:

I'm not sure there's a vorticity product for the GEFS but I'm thinking it's probably a little east of the 12z.

My logic in being concerned is:

12z NAM Big Hit...was west with the vorticity

12z GFS nice hit but a little more confined was SE of Cape Cod with vorticity

18z NAM shifts east almost on top of the 12z GFS and shifts everything accordingly.

18z GFS shifted the vorticity faster which has sometimes (not always) a flag it's about to jump it yet again. It's stronger this run so it compensates but I'd argue it may be too far NW with the QPF at face value. The GEFS shifted it SE from the OP. In a normal year that's NBD, so we will see.

12z NAM to 18z NAM was a sizeable shift east in the QPF and other fields

12z GEFS and 18z GEFS ditto.

Watch the bouncing ball of voriticty because I think nothing is off the table after watching the models have a miserable time handling jumping m/l centers.

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(posted on the other thread that is being closed out)

I'm not sure there's a vorticity product for the GEFS but I'm thinking it's probably a little east of the 12z.

My logic in being concerned is:

12z NAM Big Hit...was west with the vorticity

12z GFS nice hit but a little more confined was SE of Cape Cod with vorticity

18z NAM shifts east almost on top of the 12z GFS and shifts everything accordingly.

18z GFS shifted the vorticity faster which has sometimes (not always) a flag it's about to jump it yet again. It's stronger this run so it compensates but I'd argue it may be too far NW with the QPF at face value. The GEFS shifted it SE from the OP. In a normal year that's NBD, so we will see.

12z NAM to 18z NAM was a sizeable shift east in the QPF and other fields

12z GEFS and 18z GEFS ditto.

Watch the bouncing ball of voriticty because I think nothing is off the table after watching the models have a miserable time handling jumping m/l centers.

--

Ski MRG way to keep it on topic. If you've got a problem with what I say dispute it from a weather perspective. I'm just pointing out what's very obvious from 12z to 18z on just the american models. For the reading challenged I've said about twenty times it's just a commentary on what's seemingly played out today. And yeah I liked the 10+ inch storm down here three weeks ago that most thought was OTS. I liked the one that nailed Bob and those guys too. This one is further north which is good news and has more moisture, but...well you'll figure it out.

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As for my forecast map, 12" - 18" was just the next interval. I probably should have put 12"+ instead. I do NOT think anyone will see 18" -- the storm moves through way too quickly for that. A couple jackpots of 15"-16" are possible though.

I'm not sure why some have difficulty fathoming an 18" snowfall under the best deformation band, within a 12 hr period.....it's not that out of the ordinary in systems of this ilk.

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High bust potential.....

Well, 8-14" is quite a spread and this system's track has been stable and there is continuity between models and their respective ens. Given that there is already a general buzz about this in the general population and no doubt pressure to getthe info out it seems safer to do this with this storm than others we've seen recently. Ballsy but not as wild a gamble as it might seem IMHO.

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Well, 8-14" is quite a spread and this system's track has been stable and there is continuity between models and their respective ens. Given that there is already a general buzz about this in the general population and no doubt pressure to getthe info out it seems safer to do this with this storm than others we've seen recently. Ballsy but not as wild a gamble as it might seem IMHO.

I'd rather start low and ramp up then vise versa, More credibility.........

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I'm not sure why some have difficulty fathoming an 18" snowfall under the best deformation band, within a 12 hr period.....it's that out of the ordinary in systems of this ilk.

violently agree, sometimes I wonder how it ever snows heavy in SNE with these guys thoughts. Real deal folks real deal,. ML this and ML that, Bull****e

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(posted on the other thread that is being closed out)

I'm not sure there's a vorticity product for the GEFS but I'm thinking it's probably a little east of the 12z.

My logic in being concerned is:

12z NAM Big Hit...was west with the vorticity

12z GFS nice hit but a little more confined was SE of Cape Cod with vorticity

18z NAM shifts east almost on top of the 12z GFS and shifts everything accordingly.

18z GFS shifted the vorticity faster which has sometimes (not always) a flag it's about to jump it yet again. It's stronger this run so it compensates but I'd argue it may be too far NW with the QPF at face value. The GEFS shifted it SE from the OP. In a normal year that's NBD, so we will see.

12z NAM to 18z NAM was a sizeable shift east in the QPF and other fields

12z GEFS and 18z GEFS ditto.

Watch the bouncing ball of voriticty because I think nothing is off the table after watching the models have a miserable time handling jumping m/l centers.

--

Ski MRG way to keep it on topic. If you've got a problem with what I say dispute it from a weather perspective. I'm just pointing out what's very obvious from 12z to 18z on just the american models. For the reading challenged I've said about twenty times it's just a commentary on what's seemingly played out today. And yeah I liked the 10+ inch storm down here three weeks ago that most thought was OTS. I liked the one that nailed Bob and those guys too. This one is further north which is good news and has more moisture, but...well you'll figure it out.

Messenger, way to have a sense of humor. I fear you take things too seriously. Also your constant caveats like "for the reading challenged" seem to imply that some how you feel there are folks here that just can't quite wrap their heads around your astonishingly briliant insights. Simply not the case. Lighten up, you might live longer.

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Messenger, way to have a sense of humor. I fear you take things too seriously. Also your constant caveats like "for the reading challenged" seem to imply that some how you feel there are folks here that just can't quite wrap their heads around your astonishingly briliant insights. Simply not the case. Lighten up, you might live longer.

No I think there's people that take things out of context. I could say what I think which is that the UKMET is largely way east, the GEFS/NAM just trended significantly east and the 18z NOGAPs trended east too even though it wasn't a hit to begin with but I'm for some reason afraid of offending people over weather. Why dont you leave the comedy to Seinfeld and we stick to the weather during the storm?

I also wonder why there is no talk of the potential for an inverted trough again this time.

CONUS_UKMET_1000-500_SLPTHKPRP_72HR.gif

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Has there been any discussion of gravity wave potential yet?

Looks very interesting IMO early Wednesday morning from the northern NJ coast to LI into southeast NE

Those things don't interest me...I like no nonsense during my snow events...just light wind, good dendrites, and a CCB.

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No I think there's people that take things out of context. I could say what I think which is that the UKMET is largely way east, the GEFS/NAM just trended significantly east and the 18z NOGAPs trended east too even though it wasn't a hit to begin with but I'm for some reason afraid of offending people over weather. Why dont you leave the comedy to Seinfeld and we stick to the weather during the storm?

I also wonder why there is no talk of the potential for an inverted trough again this time.

CONUS_UKMET_1000-500_SLPTHKPRP_72HR.gif

12z NOGAPS has this type of feature

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No I think there's people that take things out of context. I could say what I think which is that the UKMET is largely way east, the GEFS/NAM just trended significantly east and the 18z NOGAPs trended east too even though it wasn't a hit to begin with but I'm for some reason afraid of offending people over weather. Why dont you leave the comedy to Seinfeld and we stick to the weather during the storm?

I also wonder why there is no talk of the potential for an inverted trough again this time.

What constitutes a trend to you? 1 run, 2, 3?

What of the GGEM that went west?

What about the Euro that went west as well?

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12z NOGAPS has this type of feature

18z NOGAPs shifted a nudge east with the features but there's still a decent trough signature. CMC would have it too, UK clearly does. May or may not come into play depending on which camp is more correct.

What's interesting is the RGEM would appear to be further north than the 18z NAM...keeps the s/w a bit more compact which would allow it to get further north.

http://www.weatheroffice.gc.ca/data/model_forecast/colour_images/18_054_R1_north@america_I_4PAN_CLASSIC@012_048.jpg

Why is everyone so cranky? Lighten up. Snow and more snow. Thats what we want right? :thumbsup:

Sorry about that, I just think it's bad taste to drag anything that's over and buried into new threads. No good comes of it.

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Also....way too much over analysis of an 18Z run. Big picture......globals haven't changed. NAM kind of farted but we've seen that countless times before. Let's see what the SREFs and 0Z guidance has before we declare a trend. Remember 18Z doesn't have full data to my knowledge.

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Coming back from MD, we passed a billboard in CT that my wife found worse than your name. It was from one of the casinos and it read: "we have the loosest slots in CT".

Okay--here's hoping for slightly west (oops, did I jsut say that?

Good luck with the runs everyone!

I'm in her head.....lol

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