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Posts posted by CustomWX
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I figured you all would like to see a more clear-cut difference between the more east and west based El Nino events. Below is a statistical correlation graphic that determines relationships between two variables. In this case, geopotential height and ENSO regions (1+2, 3, 3.4, 4). The red indicates there is a direct relationship between ENSO (as El Nino strengthens, so does geopotential height). The purple/blue is an inverse relationship (as El Nino strengthens, geopotential height falls).
There is a clear west trend in the heights as the ENSO regions move west. The highest heights to go from the Hudson Bay to the Pacific Northwest, the 50/50 low is strengthened closer to the coast as El Nino is centered further west.
Same trend with surface temperatures. Note that I changed it to regression here, which is a linear fit.
I just think its interesting to actually see why "modoki" El Ninos are more favorable. Link to the site: https://psl.noaa.gov/data/correlation/
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6 minutes ago, Brick Tamland said:
Usually the Kuchera is lower than the regular run. Must be some awesomw rates. Glad to see the GFS actually go bigger after the last ICON run went north.
Surface temperatures are in the mid-20's. Definitely not a storm that we would need to deal with a lack of cold air if the more southerly tracks verify.
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10 hours ago, NC_hailstorm said:
Have been noticing the Euro forecast is ever so slightly trying to pull this MJO into phase 1 over the last 5 or so days.Even better look if that happened so things still on schedule.
Carry on.
Accord to Eric Webb’s MJO research, we do not want to MJO to go to phase one. It’s our least snowiest phase!
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I know that Webber has been preaching this for a while, but I’m really not upset with the Pacific. Heck, I’m fine if we keep it as it is the entire year! I took a look back at some of our classic CAD/Miller B storms, and put them into a composite. Those years were Dec 208, Feb 2004, Jan 2002, Jan 1988, Dec 1971, Feb 1969, many of which produced a foot in Charlotte. Definitely some minor adjustments I would like to see, like more of a 50/50 low, but still, relatively close to the current look!
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Interestingly enough, the EPS run looks extremely similar to late November, Early December 2018 (Timeframe where we got our December storm). Sure I'm cherry-picking a couple of maps, but almost identical look if we were to raise the height over Canada. To be clear the 2 maps from 2018 are not the same forecast period from two different models.
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FWIW huge increase on the GEFS
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Link to Plot Relative AAM Charts
in Weather Forecasting and Discussion
Posted
If I recall it’s not available to the public and only folks like HM have a legacy account. However, Victor Gensini has similar maps on his page. https://atlas.niu.edu/gwo/