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NE snow event March 4th


tiger_deF

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  On 3/3/2019 at 9:44 PM, wxsniss said:

My thoughts and some things I debated/considered:

-  how far back west of Worcester to push 8+ amounts... lots of evidence this is trending more amped NW, + better SLRs there, so this is more NW of the jack zone on Euro/RGEM

- is there potential for > 12"... tough given quick hitter, but I would put that in south coast to PVD to NW CT area

- other mesoscale features: I posted about CF enhancement earlier but this moves too quickly to really set up and have discernible impact

 

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great map and def agree with it .. per usual have enjoyed your posts over the past couple days (last storm as well) 

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  On 3/3/2019 at 10:29 PM, ORH_wxman said:

It actually weenied out again after backing off slightly at 20z. 

 

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In our snowfall events this season, seeing the HRRR jacked has played out well.  I loved seeing that thing show 1-1.5" QPF ahead of a couple storms because it's usually the voice of reason.  It's often that model that shows .6" when the NAM and RGEM show 1.2"....so getting the HRRR jacked on QPF is definitely a great sign.

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  On 3/3/2019 at 10:31 PM, ORH_wxman said:

There must be some excellent snow growth on the NW side of the precip shield because I'm impressed with all the half mile vis obs covering so much of central and W PA despite radar returns in the 20dbz range. 

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This would explain that lol. Pretty sick sounding

2E9BD3CB-A20D-4933-8251-7EE3F1150229.thumb.png.6a3896478b8e27170e5b10e9367b2b47.png

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  On 3/3/2019 at 10:24 PM, ma blizzard said:

great map and def agree with it .. per usual have enjoyed your posts over the past couple days (last storm as well) 

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  On 3/3/2019 at 10:11 PM, ScituateWX said:

You might be the most level headed person in the forum 

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Thanks guys, but I'm nowhere near the same league as some of the posters here. 

Regarding this storm, you'll remember I was initially raising some caution flags given some similarities to Fri/Sat (my map for that busted spectacularly). But a deeper trough and more robust vorticity will overcome those negatives, and only with last night's guidance trends did I feel more confident this would be a big hit. Upstream obs in Philly thread look on track. There will invariably be surprises to nowcast.

And now to tend to some real life before (perhaps the best event of the season) starts... I'll be back tonight

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  On 3/3/2019 at 10:54 PM, wxsniss said:

 

Thanks guys, but I'm nowhere near the same league as some of the posters here. 

Regarding this storm, you'll remember I was initially raising some caution flags given some similarities to Fri/Sat (my map for that busted spectacularly). But a deeper trough and more robust vorticity will overcome those negatives, and only with last night's guidance trends did I feel more confident this would be a big hit. Upstream obs in Philly thread look on track. There will invariably be surprises to nowcast.

And now to tend to some real life before (perhaps the best event of the season) starts... I'll be back tonight

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No leading shortwave, gives it room to do its thing. A leading shortwave out in front of the main show ALWAYS mucks things up.

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  On 3/3/2019 at 11:21 PM, weatherwiz said:

Can’t you still get heavy snow and good rates/size without having best lift within the DGZ? Like aren’t there cases (like when you have WAA or strong llvl fronto) that can compensate?

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Sure. Most of the time we get +SN with average ratios. But when you said "sick sounding" I thought you were referring to a deep DGZ with big omega crosshaired through it.

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