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February 13-14 Potential Snowstorm II


earthlight

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this is true as well. this is going to come down to the kicker being in the right spot to have the best influence on the track for the coast paul

It's not the kicker. This rests on does this neg tilt at Hatteras. If it does its over the delmarva and we r cooked Forget the models for a second. If there's no high to hold it it will just come north. If tomrrw at 12z the data shows its a Pos tilted trough then it will bomb out east of Norfolk and b 50 miles east of AC then it's game on. But too many members r west. The control is up over nyc

I know the others models don't show this. But The euro skill score In the southern branch is the best. Just wait to see the euro at 0z and see if it's a tick east. U really don't Wana b neg inside obx

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It's not the kicker. This rests on does this neg tilt at Hatteras. If it does its over the delmarva and we r cooked Forget the models for a second. If there's no high to hold it it will just come north. If tomrrw at 12z the data shows its a Pos tilted trough then it will bomb out east of Norfolk and b 50 miles east of AC then it's game on. But too many members r west. The control is up over nyc

I know the others models don't show this. But The euro skill score In the southern branch is the best. Just wait to see the euro at 0z and see if it's a tick east. U really don't Wana b neg inside obx

 

If you had noticed on the past few cycles, there's a weak 1020-1023 mB HP next to the kicker. That will help bring in colder air if it's more pronounced in the next few cycles. 

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If you had noticed on the past few cycles, there's a weak 1020-1023 mB HP next to the kicker. That will help bring in colder air if it's more pronounced in the next few cycles.

There are 2 things that I hav the on the wish list. Outside obx or Pos tilted inside

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Channel 7 lee Goldberg says 3-6" then rain? Is that realistic? I'm hoping for a classic nor'easter 18" +

a classic nor'easter is not 18 " thats closer to a HECS which NYC has only had 36 storms with snowfall greater then 12 inches since 1869 a classic would be closer to 6 - 12 inches - so you are asking quite a bit from a storm which alot of things can go wrong and probably will

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I will admit it is slightly concerning to see that many Euro ensemble members doing that considering their history of being at least reasonably accurate at this range. I will be a lot more concerned if we start to see other models tick west like that at 00z tonight.

Agree 100% if we see the nam go west at 9pm we should be very concerned. Hate seeing the ens more amped then op

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The 12z Suite was outstanding today , the NAM GFS UKMET GGEM  all offer  HEAVY snow area wide , only the GFS with its typical

bias allows some its energy to escape east at hr 78 - that will come W . 

The Euro is 1.5 really area wide and 25 miles jog east isn`t goin to fringe anyone . This is a big system and will crush

eveyone east of the APP all the way into NE .

The Euro is at 12z is further east than at 0z and no one is fringed , at 0z KNYC recieves 6 inches of snow before a change to rain at 12z they get 12 .

Look at the trend here and don`t take each model and agonize over it .

 

 

Every reasonably accurate algorithm shows 10-16" for NYC and points west including all of NJ away from the shoreline. This is from the western-most solution.

 

Gents - just curious on your take why, given the model output both of you essentially described for the 12Z suite, above, the NWS (OKX, especially) and the NYC media are being fairly conservative with snowfall amounts, primarily due to changeover concerns.  Is it the Euro ensembles showing some western solutions or the Euro, itself, being interpreted differently from what most others have seen (or the drier SREFS as OKX mentioned)?  I assume it can't be the influence of the 18Z NAM bomb (presumably discounted as being out of its range) or the 18Z GFS showing a fair amount less precip and being east - especially for the NWS, since these came out after the AFDs.  I get that there are folks in the forum who are wearing snow goggles, but you guys were merely discussing model output and I don't think were spinning things in any way.  Anyway, any commentary would be appreciated. 

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Gents - just curious on your take why, given the model output both of you essentially described for the 12Z suite, above, the NWS (OKX, especially) and the NYC media are being fairly conservative with snowfall amounts, primarily due to changeover concerns.  Is it the Euro ensembles showing some western solutions or the Euro, itself, being interpreted differently from what most others have seen (or the drier SREFS as OKX mentioned)?  I assume it can't be the influence of the 18Z NAM bomb (presumably discounted as being out of its range) or the 18Z GFS showing a fair amount less precip and being east - especially for the NWS, since these came out after the AFDs.  I get that there are folks in the forum who are wearing snow goggles, but you guys were merely discussing model output and I don't think were spinning things in any way.  Anyway, any commentary would be appreciated.

I'll give you a very short answer: this storm's track is largely dependent on the 'kicker' energy and the models don't have the best sampling of this energy just yet; tomorrow 12z's will be telling.

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Neg tilt without any blocking always makes me nervous.

 

attachicon.gifGeopotential32at32500hPa_North32America_72.gif

 

There's your key. The events which have been successful in similar setups to this all have had blocking. We're lucky to have the mid level ridge poking into Maine but I would like to see the kicker help us out a little too.

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Gents - just curious on your take why, given the model output both of you essentially described for the 12Z suite, above, the NWS (OKX, especially) and the NYC media are being fairly conservative with snowfall amounts, primarily due to changeover concerns.  Is it the Euro ensembles showing some western solutions or the Euro, itself, being interpreted differently from what most others have seen (or the drier SREFS as OKX mentioned)?  I assume it can't be the influence of the 18Z NAM bomb (presumably discounted as being out of its range) or the 18Z GFS showing a fair amount less precip and being east - especially for the NWS, since these came out after the AFDs.  I get that there are folks in the forum who are wearing snow goggles, but you guys were merely discussing model output and I don't think were spinning things in any way.  Anyway, any commentary would be appreciated.

I think it's more meteorology than modeling . Approaching low pressure into a coastal region with a retreating high pressure system 72 hours has to give them pause.

There are many ensemble members that are west of the most western guidance. And it happens to be coming from the highest skill score group when coming our of the southern branch. I think u can always chase amounts as u get closer. The bigger scarlet letter is having to advise something down that was 3 days out

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They were pretty far of with the January storms but that as becasue the northern stream issue

Nailed the last event for the interior.. Seeing the euro consistent on a coastal hugger as well as its ensembles should be concerning for u guys. I know the X factor seems to be this supposed kicker but at the end of the day this is still a southern stream storm which falls in the euros wheel house. Time will tell I guess

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Whats more likely. South east tracks like gfs and its ensembles or the euros indv ensembles cutting slightly inland? Also i cant remember the last time the ukmet has been so gung ho for a storm for our area. I always remember the uk being eother low on qpf or taking far offshore tracks.

Both seem fairly unlikely since the consensus is in between

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I guess my concern/question is whether said kicker will "be enough" to prevent warm air intrusion... more of a statement than a question, but thats what ill be looking at once the players take the field..

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