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Snow Contest January 25th-26th


WeatherGeek2025
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3 hours ago, psv88 said:

Who won?

Better yet, how do we calculate who won?
 

Is this like the price is right and any guesses that went over are disqualified? Or are we just taking the total deviation from predicted amounts from the actual and adding up the total for all six cities for each participant? I'm not sure who's doing that.

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Two recognized methods for snowfall contests are sum of errors or sum of errors squared (which tends to be closer to correlation co-efficient). 

It's often a similar but not exactly same order of finish using those two methods. As Don and perhaps a few others here will know, DonSutherland has a very good record in even larger snowfall contests that ran for many winters on another site, and disappeared (sadly) this winter. In storm forecasts DonS has often been either top or top three in a field of 20-25 entries. I have had a much more variable record in the same contests but I did nail the Blizzard of 1888. Well 2010, one of those snowmageddon ones. And Nemo, or Juno (get them confused). But I have finished dead last a few times as well. Don is rarely out of the top third, maybe even never. There are many pros who don't know 10% of what Don knows. 

We have an annual snowfall contest over at the temperature forecast contest thread (main forum, nobody knows it's there) ... Don does well in those too, so does wxallannj who is a member here I believe, also RJay, hudsonvalley21, BKViking, dmillz25 from here (apologies if I missed anyone). Other Am-wx people with good track records in contests would include RodneyS, Tom, StormchaserChuck and wxdude64, plus Scotty Lightning who was once SD. Last year in particular so_whats_happening was very close to top. Various others who used to be great like Mallow, Stebo, DIT, Isotherm ... have dropped out over the years, in some cases probably because the NYC crew kept kicking their butts. The Mid-Atlantic forum is about on a par with NYC for contest exploits over many years.  

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In my own defense I could point out that I need to have a road atlas handy any time there's a big storm and reports pouring in, I have no earthly idea where most places without a professional sports franchise might be located. 

(just saw on NE thread that BOS passed 20.2" recently and it's still hammering down there)

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56 minutes ago, Roger Smith said:

In my own defense I could point out that I need to have a road atlas handy any time there's a big storm and reports pouring in, I have no earthly idea where most places without a professional sports franchise might be located. 

(just saw on NE thread that BOS passed 20.2" recently and it's still hammering down there)

the closest to the winner like if it's 2 inches over or under that counts as +2 points..let's say you predicted Boston to get 18 inches and it got 20 or 16, your total score is +2 points

You want the least amount of points.

 

Lets get these numbers and hopefully we can do it again for the next storm if it hits.

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Okay, I can post the numbers from climate summaries (the last one we need shows up soon after midnight). It will be the total snowfall for 25th-26th as shown in climate summaries and where possible on CF6 forms too. Your scoring system is basically total of absolute errors, should probably be to decimal places as results and some forecasts have a decimal involved. But whatever it will work out the same probably. As to the forecasts for "your location" some of those would involve taking a forum report, a few can be verified the same way as above. But likely you wouldn't include them in scoring, right? 

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1 minute ago, Roger Smith said:

Okay, I can post the numbers from climate summaries (the last one we need shows up soon after midnight). It will be the total snowfall for 25th-26th as shown in climate summaries and where possible on CF6 forms too. Your scoring system is basically total of absolute errors, should probably be to decimal places as results and some forecasts have a decimal involved. But whatever it will work out the same probably. As to the forecasts for "your location" some of those would involve taking a forum report, a few can be verified the same way as above. But likely you wouldn't include them in scoring, right? 

i think your location should be discarded that was mostly just for fun but the major cities i think is cool. And maybe we can throw in a reward for winning like a small crypto reward or something i'm interested in chipping in as a  tournament fee if you will. We could always continue these into rain events and wind events and heat days and so on

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