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Jan 20-22 Threat Potential Part 3


ag3

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Where is the center of the low on that image?

12 Z ECM the center of the low is actually further east ;)

Also the heavy snow discussion said it was based on the SREF and the ECM ..so it was not the ECM alone....scooter.gif

Just look at the isobars, the resolution of the EC data which is made available makes it up for grabs exactly where the low center is, but the isobars are virtually a perfect match.

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the euro at 12z has phl at like .07...now they are like .15

i remember though that some of the models for the past two or so events brought in some more QPF at around this time frame only have them go back down once we got within 12 hours of the event

no complaints from here...snow is snow, but i was sorta hoping that the ECM would jump on board with the globals

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Just look at the isobars, the resolution of the EC data which is made available makes it up for grabs exactly where the low center is, but the isobars are virtually a perfect match.

I would also think that either the ECM came in stronger or it came in more NW since the QPF has increased some..this actually goes to show that the ECM is not the best model... as it waited until 24 hrs before the event to get in line with the rest of the global guidance on the QPF..... I really wish the ECM had in between hour images...

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0.16" is what I got for NYC, which Tombo confirmed. So this is a definite improvement.

Thanks Ray...hopefully another event to add to the ever growing list of 1+ events for ewing this winter....looking at the 12z qpf the .10 line ran right through ttn.....as a whole the system is wetter for the whole northeast....

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I would also think that either the ECM came in stronger or it came in more NW since the QPF has increased some..this actually goes to show that the ECM is not the best model... as it waited until 24 hrs before the event to get in line with the rest of the global guidance on the QPF..... I really wish the ECM had in between hour images...

it came in a lot stronger. Same low placement basically. 12z has sub 1004, 0z sub 1000

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Thanks Ray...hopefully another event to add to the ever growing list of 1+ events for ewing this winter....looking at the 12z qpf the .10 line ran right through ttn.....as a whole the system is wetter for the whole northeast....

Yeah its nuts, Friday's event will be number 6 of the winter. Less than a month ago there were 0. Its been rapid-fire for sure.

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it aint no GFS/GEFS/RGEM/UKMET/GEM either

still closer aligned to the hi-res than the globals

regardless, still a day or so to see if we can get a little more out of this

The EC has the same amount of preciep for nyc as most of those models.....yes its lacking in phl/snj but has made a improvement.....if anything there has been a trend for the models to be a bit wetter tonight.....except the nam.....

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it aint no GFS/GEFS/RGEM/UKMET/GEM either

still closer aligned to the hi-res than the globals

regardless, still a day or so to see if we can get a little more out of this

:huh:

Certainly a big improvement up here.

For the record, 00z GFS gives 0.31" to KNYC

00z Euro gives 0.33"

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Euro text output 12z temp monday morning for knyc is -18.1 C or -.58 F. WOW!

I doubt Central Park will make it to 0F; it's a good set-up with fresh snow cover and a 1036mb dome of high pressure, but I don't think 850s are cold enough. You'd probably need like -25C 850s to get Central Park below 0F and we've only got -20C for this cold snap...even in January 2009 with 850s of -24C, Central Park recorded a low of 6F...surrounding suburbs were around 0F.

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:huh:

Certainly a big improvement up here.

For the record, 00z GFS gives 0.31" to KNYC

00z Euro gives 0.33"

yes, it was an improvement for most and quite a bit for the NYC area...i was more paying attention to S PA/S NJ/DE where it still doesn't quite match up to those other models...definitely an improvement so we'll see what the rest of the day gives us

i do have a bad feeling about this though because a few events (at least for Philly) showed an increase of QPF between hours 18-36 of an event only to have them drop down as we get within 12 hours of it...again we'll see

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