Chicago Storm
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Everything posted by Chicago Storm
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12z Euro is going to bump the overrunning event south.
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12z GEPS .
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12z GEM .
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12z GEM is a bit south with the overrunning event and is well south/weaker with the main storm (Ejecting trough is much more positive tilt/strung out/further south).
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Main storm is a bit north of previous run. More ridging ahead of the ejecting trough, however it was slower.
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We have a few STL area posters in here.
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12z GFS coming in with a slightly different orientation for the overrunning event...It's a bit south for eastern areas and a bit north for western areas.
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12z RGEM bumped north with the overrunning event, and then would be a good bit north with the main storm system.
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12z NAM has a slightly different alignment for the overrunning event, and then definitely will be further north with the main storm.
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Differences in the 12z NAM start off at noise level early in the run, but increased quickly by mid-run. Main storm is definitely jumping north on this run.
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A lot of guidance that is south of the GFS are still showing significant snowfall totals. I’m not saying it’ll be the case with this one, but there are many cases that would prove the first part of your comment wrong. .
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0z GEM .
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0z GEFS mean...
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0z GEM appears to have bumped north with both the overrunning and main storm.
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Some of the positives we saw, such as with the 12z run, stepped back. PV in Canada was further SW, along with associated area of confluence. Heights also steadily lower ahead of the main ejecting wave.
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It did, by about 6hrs+.
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you had to pay for the derecho years prior.
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0z GFS...
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Confirmed.
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Looks like 0z GFS will bump south with at least the overrunning portion. Edit: And likely main storm too.
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COOP observer and NWS OBS sites are more the official route. CoCoRaHs is supplemental.
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There were only ~3 EPS members that had the main storm this far north.
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It does, but the 18z EPS goes out to 144hrs.
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Cross referencing COD, looks the same as WxBell… .
