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January Banter


Isopycnic

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It sucks you guys missed out on 2/19/2012, 1/17/2013, 2/16/2013, and the small event the other day. I'm pretty sure you guys got hit on 1/25/2013, but that was sleet and freezing rain, not snow.

Yea, we have been shafted in soo many ways since January 2011. There have been at least 3 winter storm or ice storm warnings that didn't come close to verifying, in fact we didn't even get a dusting, including 1/17/2013. Also living here you can view the Blue ridge in the distance being pummeled from NWFS while its partly cloudy and breezy here

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Well at least the gfs became a little more interesting. That's the thing here with winter storms, if the gfs doesn't show it, odds are the nws  will pretty much ignore it or seriously downplay it (local mets too) even if there is a strong signal on the euro or something. So just for the sake of discussion via the nws, it's good the gfs has trended in the right direction

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Seconded!

EURO ROLL CALL

1. Disc

2. Jon

3. Burger?

I can't do it bro, so you guys will have to bring it home. I can't imagine it won't take a baby step or a regular step in the right direction, since everything else did. But I also can't imagine it will show anything to get excited about outside of coastal areas. Trends, I guess....

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This guy has been honking this horn for days now, I guess in hopes that someone will acknowledge him as "knowledgeable" or something.

And like I said earlier (to which he has yet to reply with any useful information) those

"warm ups" have been fails all winter. He isn't going out on a limb with his "call" - he's only posting these same statements over and over. What crap.

Yeah...I can kinda somewhat understand being negative about cold and snow around here. If you negative and you're right, you feel good that you were right and somewhat mitigate disappointment. Unfortunately, from a scientific standpoint, that don't mean a hill of beans.

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I can't do it bro, so you guys will have to bring it home. I can't imagine it won't take a baby step or a regular step in the right direction, since everything else did. But I also can't imagine it will show anything to get excited about outside of coastal areas. Trends, I guess....

 

CR you disappoint me old friend.  :violin:

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I can't do it bro, so you guys will have to bring it home. I can't imagine it won't take a huge step in the right direction, since everything else did. I have a feeling it's going to show a triple-phase bomb that slams everyone from Wilmington to Knoxville to Birmingham with a foot of snow.  Just a hunch.

 

FYP.  :lmao:

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Can someone please explain or point me to a link that explain the ensembles? And by that I mean, what makes them different from the OP runs? I've heard that the different members represent slight tweaks, but I don't know what tweaks those are, or if that's even true.

 

So here is how I think of it. The models take what is happening now and compute 1,000 different scenarios.  It then looks at those 1,000 scenarios and sees how many look a like. It then takes one run that looks closest to those that look a like and you get your operational run. The ensembles take all those runs and lets you view them. The ENS Mean is an average of all the runs. Someone else can probably explain it better than I can though.  

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Also I refuse to get suckered in about how I'm supposed to feel guilty for the coast getting rain vs. me getting snow. Hey if you guys get snow awesome I will not hold it against you or sit there and complain and I'll be happy to watch models and give my opinions. However in 2010 in NC anyways the coast and eastern NC got more snow than I did. I still hold that grudge.

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So here is how I think of it. The models take what is happening now and compute 1,000 different scenarios.  It then looks at those 1,000 scenarios and sees how many look a like. It then takes one run that looks closest to those that look a like and you get your operational run. The ensembles take all those runs and lets you view them. The ENS Mean is an average of all the runs. Someone else can probably explain it better than I can though.

This is not correct. The OP models just do a single forecast. They don't average the different scenarios. The ensembles have multiple different scenarios, but they are set up in a special way to do a better job of quantifying uncertainty and potentially capturing the correct initial state of the atmosphere. See the wiki article for more: http://en.wikipedia.org/wiki/Ensemble_forecasting.
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This is not correct. The OP models just do a single forecast. They don't average the different scenarios. The ensembles have multiple different scenarios, but they are set up in a special way to do a better job of quantifying uncertainty and potentially capturing the correct initial state of the atmosphere. See the wiki article for more: http://en.wikipedia.org/wiki/Ensemble_forecasting.

 

There you go. Someone who can explain it better than I can lol. 

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This is not correct. The OP models just do a single forecast. They don't average the different scenarios. The ensembles have multiple different scenarios, but they are set up in a special way to do a better job of quantifying uncertainty and potentially capturing the correct initial state of the atmosphere. See the wiki article for more: http://en.wikipedia.org/wiki/Ensemble_forecasting.

 Guess I could've Googled it...oops.

 

Thanks guys! :thumbsup:

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 Guess I could've Googled it...oops.

 

Thanks guys! :thumbsup:

To go even further, you might hear someone mention the control run...a lot of people don't trust the control, as apparently it has bad verification scores, but it's just the operational (deterministic) run again at a lower resolution, hence why they call it a control. That also might be why it doesn't have good scores, think about it...it's a lower resolution version of the euro.

 

Anyway...THEN the control is ran 50 more times with tweaked different initial conditions to get the 50 ensemble members. The operational is not repeated, the control is.

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Also I refuse to get suckered in about how I'm supposed to feel guilty for the coast getting rain vs. me getting snow. Hey if you guys get snow awesome I will not hold it against you or sit there and complain and I'll be happy to watch models and give my opinions. However in 2010 in NC anyways the coast and eastern NC got more snow than I did. I still hold that grudge.

I wasn't trying to sucker in or make anyone feel guilty.... Hence all the silly smileys. Just thought it was funny how everyone wanted it more west, west, west so I commented on it. I have no ill will towards anyone on here, nor will I.

Here's hoping for a bit of snow and not too much ice for everyone! :)

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I wasn't trying to sucker in or make anyone feel guilty.... Hence all the silly smileys. Just thought it was funny how everyone wanted it more west, west, west so I commented on it. I have no ill will towards anyone on here, nor will I.

Here's hoping for a bit of snow and not too much ice for everyone! :)

 

Def. was not directed towards you!

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