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March 11-12th Winter Storm


Chicago Storm

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Also, that kicker coming into BC around 96 de-amplifies the PNA ridge which prevents the northern stream s/w from digging.

 

Even with the kicker wave, this system would probably still be somewhat doable if the heights ahead of it had breathing room to amplify.

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Also, that kicker coming into BC around 96 de-amplifies the PNA ridge which prevents the northern stream s/w from digging.

Based on the black and white maps from EC, looks like the 12z GEM is a decent hit for us. Probably a 3-6" swath in there along with mixing/rain on the southern side. Need to wait for the 6hr maps to come out.

Edit: Americanwx maps have 5-6" through the GTA with 7-8" amounts east of grimsby/fort erie.

post-7879-0-46027700-1394297384_thumb.jp

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Based on the black and white maps from EC, looks like the 12z GEM is a decent hit for us. Probably a 3-6" swath in there along with mixing/rain on the southern side. Need to wait for the 6hr maps to come out.

Edit: Americanwx maps have 5-6" through the GTA with 7-8" amounts east of grimsby/fort erie.

attachicon.gif12_054_G1_north@america@zoomout_I_4PAN_CLASSIC@012_096.jpg

 

It's been so inconsistent though it's hard to give its solution much credence.

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It's been so inconsistent though it's hard to give its solution much credence.

The real question is, what model has ever been consistent? In a winter like this, its hard to give any model credence till within 48 hours. When is this event going to be fully sampled?

I think the models are to progressive but similarly, we haven't seen any decent phased storms this season so its difficult to put much faith in this one. Lets see!

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12Z GEM looks great. Interesting band hits Toronto Monday morning followed by some good snows on Wednesday

I noticed that as well. Too bad the Euro/NAM suite is further east. The RGEM really plays up the upsloping in and around hamilton. The 12z euro should be interesting regarding the wednesday threat.

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Gulf piece on the 12z euro looking weaker compared to the 0z run. More energy looks to get drawn from the piece over the rockies. Wouldn't be surprised if we see a NW and more amped solution.

 

Edit: Definitely coming in much further NW. LP centre across N VA by 0z thursday instead of off the S NJ coast. Step in the right direction for the GTA.

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Gulf piece on the 12z euro looking weaker compared to the 0z run. More energy looks to get drawn from the piece over the rockies. Wouldn't be surprised if we see a NW and more amped solution.

 

Edit: Definitely coming in much further NW. LP centre across N VA by 0z thursday instead of off the S NJ coast. Step in the right direction for the GTA.

 

Based on RH plots it's verbatim a graze job for us?

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Do the maps you use show spread? It'd be interesting to know if there's any specific clustering of ensemble members.

Don't have the spread on wxbell but I got a glance at the individual members and several look amped and NW although there is quite the variety. Here's the spread from uk online. Definitely looks like most members are near or north of the ensemble mean.

post-7879-0-14061300-1394314682_thumb.gi

 

post-7879-0-07575400-1394314701_thumb.gi

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