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December 9-11, 2012 (Winter?) Storm


weathergy

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It blows me away that there was much of a system at all that far north considering what the GFS does with the front runner and thus blows it up.

gfs_namer_075_500_vort_ht_s.gif

One or the other i suspect is gonna have to give. Which will it be? Not talking about the southern energy which is far enough away from that system well to the ne about to exit Canada..

You may want to look at the H85 and H7 maps and focus you attention to the west. The very strong ridge between Hawaii and the west coast at that level spills over into the western CONUS and cuts off the moisture that the H5 trough tries to bring down with it. The air under the southern vort max is very very dry, there is no longer any on shore flow over the southern CA area. I know moisture has a problem getting over the mountains but in this case the flow is dry to begin with. I fell there is no need to post the maps as I'm sure you know where to find them.

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First of all, I'm sure many of you remember that I said ARX, MKE and ORD would get more snow out of this event. Well I'm here to order dinner. I like my crow cooked just a bit better than medium but not quite well done. So far as the Vulcher s**t mashed potatoes please put plenty of milk in them.

Second of all, I could get hammered here in the north metro suburbs of the TC metro.

There will be so much crow eaten the next 4 months here that the bird will become extinct. Simply put everyone assumes their area will fail when that will not always be the case.

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I wish we could see the 850 low position on the Euro. It looks too warm for Chicago and parts of extreme southern Wisconsin.

I'm sure it's too warm for those areas, and it is probably borderline for much of the rest of S Wisconsin. We will be riding on the borderline, but it looks more and more possible we will see a good portion of this event during the darker hours (after 4:00), which could help inland areas anyway.

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The Wunderground maps (with a new scale no less) barely even shows much snow up north. Maybe the new snow scale doesn't work properly, it just showed specks of 1-2" for any 6 hour period, didn't seem right for Minnesota and NW Wisconsin.

QPF Maps show most get around .25-.35 or so..

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just looking at the thickness lines for MN and northern WI I could see ratios around 11-14 to one. Just a guess at this time

Never good to guess ratios this far out. So many factors besides layer average temperature that just can't be modeled this far out have a bearing on ratios.

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Might be grasping at straws here but nearly half of the 06z SREF members go for the stronger southern wave solution with a couple even wrapping it up quite a bit (for example ARW2).

As one can see, the spread is rather significant in the 558 line's placement...although there appear to be two camps, one that significantly deepens the wave diving southward and thus is slower, and further west (being less affected by the northern anomaly), and the faster, less impressive verbatim (being affected more by the northern anomaly). The slower ones also have a greater chance of being caught by the anomaly diving in behind this wave.

srefspaghettih55580f084.gif

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First of all, I'm sure many of you remember that I said ARX, MKE and ORD would get more snow out of this event. Well I'm here to order dinner. I like my crow cooked just a bit better than medium but not quite well done. So far as the Vulcher s**t mashed potatoes please put plenty of milk in them.

Second of all, I could get hammered here in the north metro suburbs of the TC metro.

One more signature storm that highlights the subforum's beloved motto: "Congrats MSP"

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