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Tulip Trouncer Threat II - End of March/ Early April


Baroclinic Zone

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Not being a dic* to you, but those point-and-clicks simply defer to climo at this extended lead....which at this stage is rain for most of us.

Even closer in, they are really generalized....blase product, if you ask me.

I like the p/c for here. Didn't Turtle just suggest that the p/c were actually quite good? Thought I read that in the last 2 weeks.

Thursday Night: A chance of snow after 10pm. Cloudy, with a low around 30. Chance of precipitation is 50%.

Friday: A chance of snow. Cloudy, with a high near 34. Chance of precipitation is 50%.

Friday Night: A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

Saturday: A chance of snow. Mostly cloudy and breezy, with a high near 39. Chance of precipitation is 30%.

Saturday Night: Mostly cloudy, with a low around 25.

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Will, Scooter.........do you guys put any faith whatsoever into the GFS, especially given its recent performance. I am sure you guys use it for some guidance, but do you look at that run, then see the ens and just laugh?

I know the GFS put up a stinker in the last event, but it's done ok this winter. It's guidance, like anything else. I usually roll with ensembles at this range, but they too can change significantly from run to run.

At this range, there's usually no pressure in trying to nail a forecast so all you can really do is analyze the runs and try to see what makes sense.

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There was an event before that, on Apr 4-5 I think. I had about 2.5" or something. It looked a lot better about 60 hours out and then trended NW and we got a lot more rain but it changed to snow and we picked up some accumulation...even your area probably got an inch or so.

Yeah, that was it. 4 or 5'' of absolute paste here. Hoping for a repeat.

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I like the p/c for here. Didn't Turtle just suggest that the p/c were actually quite good? Thought I read that in the last 2 weeks.

Thursday Night: A chance of snow after 10pm. Cloudy, with a low around 30. Chance of precipitation is 50%.

Friday: A chance of snow. Cloudy, with a high near 34. Chance of precipitation is 50%.

Friday Night: A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

Saturday: A chance of snow. Mostly cloudy and breezy, with a high near 39. Chance of precipitation is 30%.

Saturday Night: Mostly cloudy, with a low around 25.

:lol:

Well, April climo for you is much different than climo for e MA.

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That's b/c the GFS gets you up to 37F on Sat. FWIW.

All the precip is over by Sat?

Interesting Bufkit when this is IJD

87 Fri 04/01 09Z 34 ° 34 ° 33 ° 33 ° NE 18 E 54 0.21 0.00 542 543 -5 ° -17 ° 1002 100 %

90 Fri 04/01 12Z 33 ° 34 ° 32 ° 34 ° NE 20 E 56 0.52 0.00 541 541 -4 ° -20 ° 998 100 %

93 Fri 04/01 15Z 32 ° 33 ° 32 ° 32 ° NE 22 ESE 51 0.13 0.00 543 539 -1 ° -20 ° 995 100 %

96 Fri 04/01 18Z 33 ° 33 ° 32 ° 33 ° NNE 16 E 27 0.06 0.00 541 534 -1 ° -22 ° 991 100 %

99 Fri 04/01 21Z 33 ° 33 ° 33 ° 33 ° N 13 NE 18 0.04 0.00 539 531 -1 ° -22 ° 990 98 %

102 Sat 04/02 00Z 32 ° 33 ° 32 ° 33 ° NNW 11 NNE 25 0.03 0.00 535 529 -3 ° -23 ° 992 98 %

105 Sat 04/02 03Z 30 ° 32 ° 31 ° 31 ° WNW 11 NW 20 0.02 0.00 532 527 -4 ° -24 ° 994 91 %

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I just wish people would stop implying that it's a weenie run for most of sne, when it isn't.

Portion of it, sure.

The soundings are pretty cold for you during most of the storm. That's more important to look at. The snow algorithms aren't always made to be taken verbatim..especially during anomalous events like this.

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All the precip is over by Sat?

Interesting Bufkit when this is IJD

87 Fri 04/01 09Z 34 ° 34 ° 33 ° 33 ° NE 18 E 54 0.21 0.00 542 543 -5 ° -17 ° 1002 100 %

90 Fri 04/01 12Z 33 ° 34 ° 32 ° 34 ° NE 20 E 56 0.52 0.00 541 541 -4 ° -20 ° 998 100 %

93 Fri 04/01 15Z 32 ° 33 ° 32 ° 32 ° NE 22 ESE 51 0.13 0.00 543 539 -1 ° -20 ° 995 100 %

96 Fri 04/01 18Z 33 ° 33 ° 32 ° 33 ° NNE 16 E 27 0.06 0.00 541 534 -1 ° -22 ° 991 100 %

99 Fri 04/01 21Z 33 ° 33 ° 33 ° 33 ° N 13 NE 18 0.04 0.00 539 531 -1 ° -22 ° 990 98 %

102 Sat 04/02 00Z 32 ° 33 ° 32 ° 33 ° NNW 11 NNE 25 0.03 0.00 535 529 -3 ° -23 ° 992 98 %

105 Sat 04/02 03Z 30 ° 32 ° 31 ° 31 ° WNW 11 NW 20 0.02 0.00 532 527 -4 ° -24 ° 994 91 %

True dat. Apon closer examination it's probably b/c thicknesses get above 540 and >0c 850 temps get up to BOS on friday. Like I said, FWIW.

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I know the GFS put up a stinker in the last event, but it's done ok this winter. It's guidance, like anything else. I usually roll with ensembles at this range, but they too can change significantly from run to run.

At this range, there's usually no pressure in trying to nail a forecast so all you can really do is analyze the runs and try to see what makes sense.

Thanks Scooter, how much precip falls in sne on the 18z gfs ens?

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