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February Medium/Long Range Thread


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13 minutes ago, Stormchaserchuck1 said:

The 90N block maxes out in the next 1-3 days, at +500dm. After then the AO loses its strength. It becomes about the Pacific moving into a more favorable pattern. The MJO is more about what H5 it's correlating with.. but this stuff at Day +0-3 is modeled well right now.. it's not something that is over the modeled 500mb pattern.  It just sounds like you like +PNA over -AO... which is fine, but I think a Polar block maxing out and producing 2 rainstorms at its max without a -PNA pattern or anything like that is kind of disappointing.  Like I said, AO is more about what it produces as it goes strong, not so much when it comes out of that max like the NAO.

It’s not an instant magic pattern fix. There’s a SER due to the pacific this week. That usually gets fixed a week after a block starts. The block peaks the next 3 days yes but it just started yesterday.   We need more than just a block. The first week a block develops is rarely good because they often start in phase 7 of the mjo which is hostile. Need to wait for phase 8. That’s when we usually get snow. 

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It’s not an instant magic pattern fix. There’s a SER due to the pacific this week. That usually gets fixed a week after a block starts. The block peaks the next 3 days yes but it just started yesterday.   We need more than just a block. The first week a block develops is rarely good because they often start in phase 7 of the mjo which is hostile. Need to wait for phase 8. That’s when we usually get snow. 

We’re running out of time. We can’t blow Feb 20-27. Both threats look awful right now
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1 minute ago, Ji said:


We’re running out of time. We can’t blow Feb 20-27. Both threats look awful right now

I was talking about the rainstorms tomorrow and this weekend. That’s not uncommon. Remember the rain we got the first week of blocking in Jan 2010 (when you made the famous complaining posts) Jan 2016 and Jan 2021. The SER doesn’t just instantly go away when a block forms. It takes a wave or two to knock it down. 
 

Yes we need the last week of Feb to produce. I think we also get some shots the first 10 days of March. But yea we’re running out of time. Dunno why you think they look awful. I mean the gfs and ggem are cow farts away from a decent snowstorm. There’s a wave right there we just need it to amp up a little. 

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I was talking about the rainstorms tomorrow and this weekend. That’s not uncommon. Remember the rain we got the first week of blocking in Jan 2010 (when you made the famous complaining posts) Jan 2016 and Jan 2021. The SER doesn’t just instantly go away when a block forms. It takes a wave or two to knock it down. 
 
Yes we need the last week of Feb to produce. I think we also get some shots the first 10 days of March. But yea we’re running out of time. Dunno why you think they look awful. I mean the gfs and ggem are cow farts away from a decent snowstorm. There’s a wave right there we just need it to amp up a little. 

Because we can’t afford a decent snowstorm. Not you and me. We are way behind everyone else. But a 4-6 type storm just isn’t going to cut it especially with all the indices hitting triple 7s
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4 minutes ago, Ji said:


Why do we talk so much -pna then

It was record breaking the last 7 years, especially in Feb-March, until this year. Big flip this year. Strongest non-Nino +PNA probably since 00-01. 

2 weeks ago the GFS ensemble mean had a +300dm -PNA in the long range.. they didn't even come close to verifying.. it's still +pna

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10 minutes ago, Ji said:


Because we can’t afford a decent snowstorm. Not you and me. We are way behind everyone else. But a 4-6 type storm just isn’t going to cut it especially with all the indices hitting triple 7s

What’s done is done. This coming pattern isn’t likely to make up for what’s already happened. We’re not in a Nino which limits how much of a heater we can get on.  If we were in a moderate Nino I’d say ya sure let’s hope for some 20 days 50” snowstravaganza but those juts don’t happen in cold enso seasons.  If we come out of the rest of winter with 10” that’s a win. Nothing will go back and give us the snow we didn’t get from past fails. 

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11 minutes ago, Stormchaserchuck1 said:

It was record breaking the last 7 years, especially in Feb-March, until this year. Big flip this year. Strongest non-Nino +PNA probably since 00-01. 

2 weeks ago the GFS ensemble mean had a +300dm -PNA in the long range.. they didn't even come close to verifying.. it's still +pna

It’s not uncommon for is to get meh snowfall in a cold enso season even with a good pattern. It’s so much easier for us when there are juiced up STJ waves coming at us contagious in a Nino. I’ll worry more if we waste a Nino with a favorable pacific. 

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7 minutes ago, psuhoffman said:

It’s not uncommon for is to get meh snowfall in a cold enso season even with a good pattern. It’s so much easier for us when there are juiced up STJ waves coming at us contagious in a Nino. I’ll worry more if we waste a Nino with a favorable pacific. 

Nino's have correlated with +EPO lately. Actually, the NPH (North Pacific High) is its main correlated region.. last Winter it did pop a -NPH, which is typical of +ENSO

3-Figure1-1.png

El Nino's can be very warm, and La Nina's can be very cold.. but we can get big snowstorms in El Nino yeah

West-based El Nino, focused near the dateline is the better potential scenario. 

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22 minutes ago, psuhoffman said:

What’s done is done. This coming pattern isn’t likely to make up for what’s already happened. We’re not in a Nino which limits how much of a heater we can get on.  If we were in a moderate Nino I’d say ya sure let’s hope for some 20 days 50” snowstravaganza but those juts don’t happen in cold enso seasons.  If we come out of the rest of winter with 10” that’s a win. Nothing will go back and give us the snow we didn’t get from past fails. 

This.

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15 minutes ago, psuhoffman said:

It’s not uncommon for is to get meh snowfall in a cold enso season even with a good pattern. It’s so much easier for us when there are juiced up STJ waves coming at us contagious in a Nino. I’ll worry more if we waste a Nino with a favorable pacific. 

It has been a Weak Nina-like STJ
1aa-28.gif

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27 minutes ago, psuhoffman said:

What’s done is done. This coming pattern isn’t likely to make up for what’s already happened. We’re not in a Nino which limits how much of a heater we can get on.  If we were in a moderate Nino I’d say ya sure let’s hope for some 20 days 50” snowstravaganza but those juts don’t happen in cold enso seasons.  If we come out of the rest of winter with 10” that’s a win. Nothing will go back and give us the snow we didn’t get from past fails. 

No going back to what's behind us. that goes for all of, you

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Actually even with that storm I’d still be about 3” short of climo while places SE of 95 are already over climo but I’ll accept it lol. Just pointing out even if I get a 16” snow and places SE of 95 get rain they’re still having a better winter wrt climo. It’s been that lopsided. It has to even out eventually. 

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2 minutes ago, Maestrobjwa said:

I'm not sure what you're doing here, man...I never said it HAD to be 12"+. However, of course...this run is awesome! But uh...why the trolling?

I’m giving you a hard time because you implied I was down on the period because I said we probably wouldn’t get a 12”+ snow which was purely based on probabilities and how rare they are, and then the next run shows a 12” snowstorm…almost 

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2 minutes ago, HighStakes said:

A little 1983ish with more modest totals. Very cold storm as depicted.

Rain snow line is further NW than that 83 storm on this particular run but I see the general similarities. Kinda like that storm just displaced a little NW. 

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4 minutes ago, Stormchaserchuck1 said:

Was there a 1001mb low in 1983? 

I don’t feel like digging out my KU book but from memory I think it was like 1002mb when it passed off the VA capes and got down to about 996 off NJ. It want a deep low the snowfall was driven by good STJ moisture feed and good mid and upper level energy. Not a crazy deepening surface system

 

 

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