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Feb Long Range Discussion (Day 3 and beyond) - MERGED


WinterWxLuvr
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2 minutes ago, WinterWxLuvr said:

The Tuesday storm may evolve into our best look of the year.

It has potential. Plenty of cold around to the north. It’s not a weak wave either. Might just need to get the boundary to sag far enough south prior to that wave cutting through to keep mid levels at bay. Not sure we want to go into Monday with remnant energy from the next system too close by.

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12 minutes ago, Cobalt said:

Seems to be the system PSU mentioned that really hurts our chances of letting the HP funnel some colder air in. I think you can see the response from that system being much weaker on the NAM. Check out hr 84 for the NAM, core of the TPV cold is a fair bit farther west of the GFS yet the 850s are still more favorable. 

Haven't looked all that closely...is this only showing up in the regional  models suddenly today?  Don't recall that thing on Monday (or late Sunday) being mentioned until now.

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1 minute ago, Always in Zugzwang said:

Haven't looked all that closely...is this only showing up in the regional  models suddenly today?  Don't recall that thing on Monday (or late Sunday) being mentioned until now.

Well let's hope that the NAM has the right idea on that wave being weaker...that's one of those annoying discreet details we can't see from range.

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Just now, Always in Zugzwang said:

The GFS thing is definitely a graphics issue.  But the RGEM actually does have warmer surface temperatures Sun/Mon and rain.

lol i dont think the RGEM and GFS are showing the same storm. the GFS shows heavy snow and 15 for parts of the area 12z Tuesday

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Just now, Ji said:

its the default thing to do

I wish it was rain/green. That would be devastating here.

Luckily, I don't believe it for a second. Light ice, sure. If I have temps in the low to mid 20s here for that duration, history says it wont be freezing rain. Actual outcome given the pattern- those temps will be 10 degrees warmer.

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Just now, Ji said:

lol i dont think the RGEM and GFS are showing the same storm. the GFS shows heavy snow and 15 for parts of the area 12z Tuesday

True.  I don't know what that is in the RGEM on Sun/Mon or when it started to appear.  Then again, the RGEM indicated 45" snow for us the other week (slight exaggeration!)...so whatever.  I take it the GFS doesn't have nearly that strong of a "follow-up" wave on Sun/Mon like that.  I take a bit of pause that the NAM shows a similar, though weaker, kind of thing that the RGEM depicts in that time frame.  Worth looking out for I guess.

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2 minutes ago, CAPE said:

I wish it was rain/green. That would be devastating here.

Luckily, I don't believe it for a second. Light ice, sure. If I have temps in the low to mid 20s here for that duration, history says it wont be freezing rain. Actual outcome given the pattern- those temps will be 10 degrees warmer.

ice storm might knock us of the internet/this forum for a while. May not be a bad thing. But every model has this storm in the low to mid 20's. As long as you stay home and dont drive and dont lose power, it actually might be fun and mysterious lol

image.png.44a8658797141f6ade2af32e6e72521c.png

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1 minute ago, Always in Zugzwang said:

True.  I don't know what that is in the RGEM on Sun/Mon or when it started to appear.  Then again, the RGEM indicated 45" snow for us the other week (slight exaggeration!)...so whatever.  I take it the GFS doesn't have nearly that strong of a "follow-up" wave on Sun/Mon like that.  I take a bit of pause that the NAM shows a similar, though weaker, kind of thing that the RGEM depicts in that time frame.  Worth looking out for I guess.

the RGEM also had our area getting plastered with Wave 2 snow in yesterdays run

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1 minute ago, Ji said:

ice storm might knock us of the internet/this forum for a while. May not be a bad thing. But every model has this storm in the low to mid 20's. As long as you stay home and dont drive and dont lose power, it actually might be fun and mysterious lol

 

Might be the case well NW, but not likely here, thankfully.

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26 minutes ago, Ji said:

GFS has green when the temp is 19 degrees. awesome

 

 

Maybe you should move away from just clicking the play button on pretty weather movies and take a look at soundings, 850 temps/wind direction, and maybe go straight crazy and consider 700mb panels too. I mean every single answer to every single model question is available on the same site everyone uses. 

So the question is, does anyone look at anything other than pretty wx movies? I'll go out on a limb and say few do and it's a shame. That's why every storm is a freakout circus. Cuz pretty wx movies dont even scratch the surface of a marginal event. Which is 80% of the events here. 

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1 minute ago, Bob Chill said:

Maybe you should move away from just clicking the play button on pretty weather movies and take a look at soundings, 850 temps/wind direction, and maybe go straight crazy and consider 700mb panels too. I mean every single answer to every single model question is available on the same site everyone uses. 

So the question is, does anyone look at anything other than pretty wx movies? I'll go out on a limb and say few do and it's a shame. That's why every storm is a freakout circus. Cuz pretty wx movies dont even scratch the surface of a marginal event. Which is 80% of the events here. 

Apparently that was just Ji being Ji. He is a funny guy, ya know.

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1 minute ago, Bob Chill said:

Maybe you should move away from just clicking the play button on pretty weather movies and take a look at soundings, 850 temps/wind direction, and maybe go straight crazy and consider 700mb panels too. I mean every single answer to every single model question is available on the same site everyone uses. 

So the question is, does anyone look at anything other than pretty wx movies? I'll go out on a limb and say few do and it's a shame. That's why every storm is a freakout circus. Cuz pretty wx movies dont even scratch the surface of a marginal event. Which is 80% of the events here. 

Good points.  I admittedly do click through those ptype maps initially for a quick overview...but mostly to get some idea of the surface positions, extent of precip and how it moves, etc.  I already knew that the Tuesday potential was likely to involve a lot of ice, so then immediately looked at the surface temps (cold!) and other parameters above that level.  And sure enough, it's clear the algorithm wasn't handling it right.  No need for anyone to freak out for sure.

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6 minutes ago, Bob Chill said:

Maybe you should move away from just clicking the play button on pretty weather movies and take a look at soundings, 850 temps/wind direction, and maybe go straight crazy and consider 700mb panels too. I mean every single answer to every single model question is available on the same site everyone uses. 

So the question is, does anyone look at anything other than pretty wx movies? I'll go out on a limb and say few do and it's a shame. That's why every storm is a freakout circus. Cuz pretty wx movies dont even scratch the surface of a marginal event. Which is 80% of the events here. 

I have had way too many Yeunglings to take the time to do that. 

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Just now, Always in Zugzwang said:

Good points.  I admittedly do click through those ptype maps initially for a quick overview...but mostly to get some idea of the surface positions, extent of precip and how it moves, etc.  I already knew that the Tuesday potential was likely to involve a lot of ice, so then immediately looked at the surface temps (cold!) and other parameters above that level.  And sure enough, it's clear the algorithm wasn't handling it right.  No need for anyone to freak out for sure.

WB surface maps are better than TT, but they are still bad. You cannot glean anything other than a general idea, which is never good enough. Snow maps are awful ofc. Only surface based map worth looking at(other than temps, pressure etc) is precip.

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4 minutes ago, CAPE said:

WB surface maps are better than TT, but they are still bad. You cannot glean anything other than a general idea, which is never good enough. Snow maps are awful ofc. Only surface based map worth looking at(other than temps, pressure etc) is precip.

One of my rules with sw midlevel flow and dicey midlevel temps in general is if models show the mix line pushing north of EZF you can expect nova and dc to mix no matter what they show from there. Same with my yard 75% of the time. 

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