
SnowGoose69
Professional Forecaster-
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Everything posted by SnowGoose69
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
I think the 1950s had a bunch of near misses too- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
And 6.6 short of cracking out of top 10 least snowiest winters- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
I get a feeling we will get a good period in February into March with a big storm. Don’t know why I think that. I just think there's enough Niñoish type background state to pull it off- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
They measure at 7. We will know soon if the compaction got them. They should have at least 2.2-2.3- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
Euro basically got owned again. It has 5 inches in some parts of NE NJ- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
I can’t recall any case where we saw 2-3 inch amounts in the metro with a track like this. The high was just well timed. It wasn’t even in a great spot. The storm just arrived with the high and the airmass in place.- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
With that 1.3 Central Park can no longer beat 72-73 01-02 or 18-19. 31-31 and 97-98 can also fall today if they get 1.5 more- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
That’s higher than I thought they’d record. I believe they only reported 0.08 liquid so the ratios were fairly high- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
You can already see the 3km NAM is going to bust on sleet. It had it further east than it is by 22Z- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
They should be out by 445 on the climo reports. I expect all 4 stations to be somewhere between 0.8-1.5 as of 430- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
The CT Valley river dry nose is notorious for being an issue here in the metro and eastern NJ. It’s not common to see it on these events though because the flow isn’t NE. This is likely just weakening of the forcing. The CT river dry nose is most notable early on in coastal storms or S-N moving systems which have a NE drainage flow ahead of them. You’ll see places like ISP/MMU snowing like crazy while between it can take 2 hours or more to get solid snow growth and decent rates though the radar may look good. 12/19/09 saw this happen- 1,119 replies
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The CFS and Euro/GFS are both likely wrong to an extent on the MJO. If you take the tendencies of all of them my guess is it goes through 7 harder. Spends more time in the middle. And exits out into 6. I don’t think a trajectory through 8 occurs nor does a reemergence into 4 or 5
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The oddest thing is if you looked at 500mb you’d never guess that was the resultant anomaly
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
Yeah you would need some sort of banding features to get amounts of 6 inches in NYC here I believe. This is a fairly unusual setup. I don’t recall any case of a primary this strong going into the lakes giving us even 3-4 inches- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
Upton actually never changes LGA over to all rain they have RASN from 00-03Z and it ends- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
My hunch is this event will have minimal sleet if any- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
Yeah this is a huge factor. It really does make a big difference. It’s also not overly strong. It can screw up snow ratios though as someone else here pointed out- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
The NAM has somewhat of a dry slot behind that initial finger of WAA precip. Other models don’t really have that. The handling of the jet dynamics could be why as I said has been pointed out in the MA forum this week. I’ve seen models like to show that dry nose before in that spot behind that WAA finger and usually it doesn’t happen. You see the whole area tend to back build and then your shield from the main low arrives soon after. That said I wouldn’t be too confident NYC metro sees anything over 3-4- 1,119 replies
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The EPS might be wrong on the MJO but believe me it isn’t THAT wrong!!! I could see us going longer in 7 and maybe edging into 8 before going nil and re-emerging to 6 but that CFS forecast isn’t going to verify
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
This event is entirely dependent on how much precip falls. As of now the temps outside of LI due to south flow aren’t a problem. PSU you in the mid Atlantic forum has been nailing the QPF scenario all week with the storm based off the jet orientation. If you look at the 18 GFS you could see why it produces more snow and QPF. It has the 250kt jet oriented perfectly in a WSW orientation to break out snow across our area. Meanwhile the NAM that 250kt jet core doesn't get going til after 21Z and a result by that time it’s warming up- 1,119 replies
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79-95 was mostly all positive NAO winters. I think 83-84 and 84-85 averaged negative but barely so.
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I fully believe it’s just a transient shift Days 8-11 and it may not be as awful as the EPS if the GEFS or GEPS are even half right
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
This late in the winter, even one this mild probably not because water temps are not as warm as they'd be on 12/1. But 5 or 6 vs 1-2 may happen- 1,119 replies
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Wintry mix potential weekend of Jan 18-19, 2020
SnowGoose69 replied to wdrag's topic in New York City Metro
This is a tricky event because the south flow and position of the high. Its definitely a case where EWR can see 6 and JFK 0 but sometimes here the southerly gradient is overestimated on models beyond 60-72 because what you end up with in the end is still a bit of a funky CAD type sig that sets up turning winds more ENE or forcing a lighter gradient than what the globals see a 3-4 days out- 1,119 replies
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January 2020 General Discussions & Observations Thread
SnowGoose69 replied to Rtd208's topic in New York City Metro
91-92 had basically nothing until mid March