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Hurricane Irene Banter Thread


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So what's your forecast? I have been lurking and the climo map is more substantive than anything you have provided (basicly just putting down others).

I don't have this perverse need to issue a forecast, draw crappy maps, watch the 84 hr NAM like a hawk, and clog up the main thread with posts no one wants to read...too many of you conflate posting your thoughts with making a contribution.

As far as putting down others, someone needs to call out stupidity...

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I didn't predict she was going to Florida, and there are 3 general tracks ID'd in the NOAA graphic I posted. also, climo for August favors recurves because of the overall dynamics of the atmosphere.

science trumps weenie wishcasting.

To me in this post you are calling out everyone who went against climo as a weenie wishcast.. Isn't that the NHC and pretty much everyone else in that group?

Not saying that's a bad thing, perhaps climo is given too little weight

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To me in this post you are calling out everyone who went against climo as a weenie wishcast.. Isn't that the NHC and pretty much everyone else in that group?

Not saying that's a bad thing, perhaps climo is given too little weight

Climatology is only a novelty when it comes to looking at individual storms. If anyone seriously takes climatology into consideration over computer models, et al., they shouldn't be taken too seriously.

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true..

The only good thing about Standard Time = we start gettin em at 10:30 again.

50 miles more SW at 30 hours. noice.

http://mag.ncep.noaa.gov/NCOMAGWEB/appcontroller?prevPage=Model&MainPage=index&model=GFS&area=NAMER&areaDesc=North+America+-+US%2C+Canada%2C+and+northern+Mexico&page=Model&prevModel=&prevArea=NAMER&currKey=model&prevKey=model&cat=MODEL+GUIDANCE

GO THERE! Cause you are about 15 hours behind.

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"calling out" would mean I had an inkling of what anyone other than the NHS is predicting for this storm, although I guess njpaweather is calling for 3 separate 100+ kph landfalls along the East coast. I just think it's likely to be a fish even though my first post on Irene openly wished for a DC hit.

now, now guys...

The big winner with this storm has been AccuWeather so far :

Accuweather : Hurricane Irene will strike Florida

Accuweather : Hurricane Irene will strike South Carolina

Accuweather : Hurricane Irene will strike North Carolina

and then today they carry on like all their predictions came true... :rolleyes:

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Climatology is only a novelty when it comes to looking at individual storms. If anyone seriously takes climatology into consideration over computer models, et al., they shouldn't be taken too seriously.

I don't think you can ever throw it out fully. It shouldn't be the basis if a forecast tho.

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Wait, you thought the banter thread would devolve into reasoned discourse?

It's not this thread... These long track systems are tiring and almost never live up to their potential.

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IMO it becomes useful when looking at groups of storms/monthly/seasonal averages.

I don't think a climo forecast is wise in itself but people who know climo are typically much better forecasters and are not blindly led by every model run.

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Climatology is only a novelty when it comes to looking at individual storms. If anyone seriously takes climatology into consideration over computer models, et al., they shouldn't be taken too seriously.

Point taken and I understand what you're saying..

I still feel like in this case the models pointed towards some solutions against climo while they shifted from one climo favored track to another (FL -> Cape/Recurve).

I'm not sure if there's anything worthwhile to take from that, but at least interesting to me how this evolved so far.

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Going by model runs taken into context within each other over a period of time is the superior forecasting method, however.

I guess. We might be arguing two sides of the same coin. I'm certainly not one of those people who says models are useless. But there are things we can generally expect with a storm in different places that 9 times out of 10, due to climo knowledge, will work out. Even in a "great setup" or whatnot we have seen plenty of east shifts which is a climo norm IMO. I don't have the time to pull up so many definitive statements made here the last few days how it "cant do this or that" because what models showed only to see it do so.

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I guess. We might be arguing two sides of the same coin. I'm certainly not one of those people who says models are useless. But there are things we can generally expect with a storm in different places that 9 times out of 10, due to climo knowledge, will work out. Even in a "great setup" or whatnot we have seen plenty of east shifts which is a climo norm IMO. I don't have the time to pull up so many definitive statements made here the last few days how it "cant do this or that" because what models showed only to see it do so.

Yeah, there are general "most likely tracks" which trix's image alluded to, and they can be useful 9 times out of 10 in a very general sense (i.e. recurve doesn't mean a TC is going to dive south and "recurve" into Venezuela)... but each individual storm has its own set of circumstances and atmosphere to deal with. That general recurve path in trix's image could be sharper or flatter, further left or further right... which I don't think came across in her post.

That said, when you combine both and look at model history to say something on the order of "model x at time y generally has some z bias, so we are going to correct the forecast to compensate for it"... there is absolutely nothing wrong with that, and it is in fact quite useful/intelligent to do so provided the forecaster has a sufficient understanding of said model's history. With Irene, a balance had to be struck with the GFS' recent history of overdoing recurves/underforecasting the ridge the past two years versus the overall models' underforecasting of recurves of specific east coast-tracked storms... and I think that is where the main difficulty of understanding lies.

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