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Feb 8-10 Light snow event that i spent 10 days tracking


Ji

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Meanwhile, the block is in the process of forming now, bringing one of the better potentials of the year for you guys over the next 7-10 days. Arguably, today was the correlated Archambault "precip loaded" first storm you get as the NAO goes from positive to negative. Is it classic? No... after all, it is a split between the polar vortex field. But it is in the domain that we care about more.

So HM do you think this weekend is still in play?

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So HM do you think this weekend is still in play?

 

Yes. The southern s/w on the GFS is laughable. The GGEM today is better and looks like 00z Euro. I think the storm is very much still in play and next week is very much a threat.

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Yes. The southern s/w on the GFS is laughable. The GGEM today is better and looks like 00z Euro. I think the storm is very much still in play and next week is very much a threat.

Ji change the thread title back pls (how about 'on life support').  HM says not fooked, no fat lady or germans bombing pearl harbor...

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Yes. The southern s/w on the GFS is laughable. The GGEM today is better and looks like 00z Euro. I think the storm is very much still in play and next week is very much a threat.

I appreciate the input. I shifted focus on the lead wave but not confidently. Wouldn't take much relaxation in the brick wall above us to let it amplify a bit. Not sure how far north is could make it before being shunted out. Hopefully the euro drops a cookie.

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Tracking models is different from tracking storms. Sometimes is wish we didn't have access to anything past 5 days. I just don't see how it's worth the time.

Agreed. But then we wouldn't have the high and lows of every model run bringing a storm and then taking it away. Every few hours people jump on the snow train or jump off a cliff. Wash, rinse, repeat. It's quite entertaining.

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I appreciate the input. I shifted focus on the lead wave but not confidently. Wouldn't take much relaxation in the brick wall above us to let it amplify a bit. Not sure how far north is could make it before being shunted out. Hopefully the euro drops a cookie.

 

Yeah, that lead wave is my focus as well. GFS is treating it similarly to Monday's wave. But granted, Monday didn't have a PV displaced into Quebec. I also see the point about the SW USA ridge being flat. Still, we are only looking for enough amplification to get DC here, not have it trend to PHL-NYC again.

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If you read what someone posted from the NWS earlier today on the possible weekend storm, it gives you hope that the models may jump on board late with this storm. That said, 2 runs showing the same thing (for most part) on GFS is worrisome and 3 runs would become a trend. Hope the EURO gives us something good.

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00z run had the second northern stream wave rushing in to amplify things more. This run is more separated, for sure. The southern wave with the SLP track is nearly identical to 00z run. 

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There are low anomalies undercutting the E PAC ridge and the Hudson Bay ridge so the timing of these are uncertain. In this case, the slower arrival reduced the QPF in the Northeast because it broadened the trough. Next up, EPS.

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There are low anomalies undercutting the E PAC ridge and the Hudson Bay ridge so the timing of these are uncertain. In this case, the slower arrival reduced the QPF in the Northeast because it broadened the trough. Next up, EPS.

 

Interestingly, the GFS had the northern stream waves behaving like the 00z ECMWF but lacked the southern wave both ECMWF runs have. Dizzying...

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better or worse for the 2nd wave (why do I think I know this answer...)

It's got nothing to work with being so separated. We get a little light snow. Nobody gets much anywhere. Without some sort of interaction with the lead wave it becomes a no nevermind for everybody. It's too flat to pop anything. If it did it would be north of us anyways.

More changes to follow I'm sure.

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