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March 10 2019 Snow to Mix Event


wxeyeNH
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NAM was a little too warm, but not that bad.

 

edit...kinda hard to tell on dual pol where the mix line is. ORH has been pinging for awhile. Nammy had a 3ish hour period there where the warmth coming in was really marginally above 0C, but not warm enough for full-fledged sleet. I think we saw that with periods sleet early with bursts of snow with the better lift. Can't trust the ptype maps though when the max temp in the midlevels is only something like 0.3C for a few hours. Euro probably won this, but GFS is probably way too cold. Either way...it's a nice daytime snow.

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14 minutes ago, Damage In Tolland said:

Wonder why it went back to snow / sleet after an hour of zr

ZR happened due to a dry slot moving in (check out WV loops) - lost the seeding/ice crystals. Now it's flipping back to PL/SN w/ lift provided by the lower level warm fronts.

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9 minutes ago, dendrite said:

NAM was a little too warm, but not that bad.

18z run yesterday wasn't bad. It had ORH with very marginal snow at 15z. 

Some of the other warmer NAM runs stunk pretty bad though and gave basically zero snow for a lot of SNE outside of GC. 

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1 minute ago, ORH_wxman said:

18z run yesterday wasn't bad. It had ORH with very marginal snow at 15z. 

Some of the other warmer NAM runs stunk pretty bad though and gave basically zero snow for a lot of SNE outside of GC. 

Edited my post. idk I thought it always had that initial burst of +SN if you count anything below +0.5C in the column as snow.

 

Looks like it's pinging up to Tippy now, but it's tough to make out what's happening on CC. People in BOS are still saying it's snowing and DIT probably has some crappy grains under the inversion layer. Looks like about FIT to BVY right now though if you drew a straight line across with the lower correlations. Maybe NE MA is holding the cold a little better.

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