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CAPE

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  1. A note about the extended products(weeklies) as a useful tool- they initialize off the previous day's 0z ens run, so the current run is based on 'old' data, and ofc there is already significant uncertainty at day 15. Imo the weeklies are decent for gleaning general trends in the longwave pattern(over a few consecutive runs) maybe a week to 10 days further out from the end of the ensemble run. Snowfall maps 1000+ hours might be fun to look at, but those maps are already pretty useless beyond D7.

  2. 1 hour ago, Itryatgolf70 said:

    You have to say they hit the idea of the Aleutian ridge and there was troughing for the majority of the winter out west last winter 

    That is boilerplate Nina. Ofc there are always variations in the orientation/position of the ridge. Same can be said for a Nino- stands to reason the seasonal models will pick up on the more pronounced STJ with the tendency for lower pressure near the Aleutians. 

  3. It's November. Winter is less than a month away and there is a high probability of a moderate-strong El Nino. Probably time to put the seasonal models in the rearview mirror, and focus on the LR ensembles and the weeklies/extended products as the primary forecast tools.

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  4. 1 minute ago, brooklynwx99 said:

    i don’t get some of the clamoring for a SSW… a disrupted SPV is more than enough if you want a -AO/NAO more often than not

    Yeah at this juncture I just don't want to see a super cold gyre at 10 mb at the beginning of winter. That usually doesn't end well.

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