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January 24-25th Potential Winter Weather Event


dmc76

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Due to the cold nature of the event a 2" snow should be at the bottom of the scale. Snow ratios wil be high (dtw) for our region. Would not be suprised to see some 5"++ totals.

 

I'll have a Tim's double double with a splash of Baileys, since everyones thirsty....

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Due to the cold nature of the event a 2" snow should be at the bottom of the scale. Snow ratios wil be high (dtw) for our region. Would not be suprised to see some 5"++ totals.

 

I'll have a Tim's double double with a splash of Baileys, since everyones thirsty....

Pixie flake size can cause lower ratios. I mean, it would be plowable snow for sure because it is so cold, but say you get 0.20" of liquid....if it comes in the form of pixie flakes, you are plowing 2" of sugar, if its big or decent flake size, you have 3-5" of powder.

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wrt ratios:  Anything higher than, say, 12:1, is pretty hard to sustain, from my experience.  I've seen people mention that if it's too cold, flake size decreases, which is true.  Also, a decent amount of wind can break the dendrites, and you end up with ratios that are much lower than expected.  I always assume 10:1, and allow myself to be surprised by anything better.

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wrt ratios:  Anything higher than, say, 12:1, is pretty hard to sustain, from my experience.  I've seen people mention that if it's too cold, flake size decreases, which is true.  Also, a decent amount of wind can break the dendrites, and you end up with ratios that are much lower than expected.  I always assume 10:1, and allow myself to be surprised by anything better.

 

Out East yes, in the Great Lakes it is a bit easier to get ratios closer to 15:1, higher than that naso much, at least not consistently.

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Who said that? Posting model runs doesn't necessarily mean it is what the person thinks will happen.

I was being facetious, no one actually forecasted what would happen. Just funny as this timeframe has been on the radar for at least a week now, and some are sometimes apt to buy an unfavorable solution in lala land (the mantra, "if it looks good it wont happen, if it looks bad it will") when in this case the models have done a complete about face in less than 5-days. It literally went from  looking like a torch/rain to cold/light snow scenario.

 

From Jan 17th

"lol @ the rain storm late next week. even fresh on the heels of serious cold we warm right back up. I should have seen this coming."

"Not at all shocked to see this type of incoming cold end with rain....it's not retreating north, it's exiting stage right which means sw winds slam the door on it"

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Out East yes, in the Great Lakes it is a bit easier to get ratios closer to 15:1, higher than that naso much, at least not consistently.

 

What's the difference in region?  Is it just that we don't have as cold air aloft on the east coast?  Or a thinner DGZ?

 

(I'm not grilling btw, I'm seriously curious.)

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From Jan 17th

"lol @ the rain storm late next week. even fresh on the heels of serious cold we warm right back up. I should have seen this coming."

"Not at all shocked to see this type of incoming cold end with rain....it's not retreating north, it's exiting stage right which means sw winds slam the door on it"

 

Let me guess...

 

Alek quote #1 and buckeye quote #2.

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Regarding ratios....I have read before that climo for this area is 13:1. This of course is an average for the season, which takes into account the wetter snows, so 15-20:1 snow ratios are quite common, and for lake belts, 40:1 is certainly not unheard of. This season we have not really had any wet snows...and its actually very easy to calculate my water and snow because no events have been mix events (just some rain to snow events where I could separate the rain and snow water).

Nov 23: 0.1" - 0.02" (5:1)

Nov 25: 0.3" - 0.01" (30:1)

Dec 21: 1.2" - 0.08" (15:1)

Dec 24: 0.9" - 0.07" (13:1)

Dec 26/27: 6.3" - 0.44" (14:1)

Dec 29: 2.7" - 0.20" (14:1)

Dec 30: 0.3" - T (N/A)

Jan 6/7: 0.6" - 0.03" (20:1)

Jan 21: 1.3" - 0.05" (26:1)

 

Total: 13.1" - 0.90" (14.5:1)

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Due to the cold nature of the event a 2" snow should be at the bottom of the scale. Snow ratios wil be high (dtw) for our region. Would not be suprised to see some 5"++ totals.

 

I'll have a Tim's double double with a splash of Baileys, since everyones thirsty....

What do you think for Toronto? Maybe 1-2"?
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Yep, I have no idea. There's been a myriad of solutions, but most have led to LAF getting about 2" or so. So I guess we'll see. 

 

Yeah I am looking at the bottom line here too, the method to the madness of this system is too much to micro analyze, as long as I get something I am happy.

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