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Ji

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Interesting post from Tony in the Philly thread, though i would re post:

Well based on the 6-12 hr progs vs the 00z soundings, I'd say this is going to come out a little bit stronger with the 00z runs. The trof if anything looks slightly slower than modeled, overall pretty well. There are no surprises with the 250mb winds, euro best here. There are colder 850mb and 925mb temps than progged by all west of the trof in the midwest. On our side, the cold air is not oozing east any faster, euro has the best handle here, gfs nam maybe 1c too cold in places. As far as qpf for the last six hours, gfs and nam thankfully overstated the amounts, more isolated half inchers than wide swaths in the mid atlc, euro best of the lot here. Mark's local program gives PHL 1.92" as the best estimate for the event from 7 pm onward, we'll see. Good luck everyone!

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Interesting post from Tony in the Philly thread, though i would re post:

Well based on the 6-12 hr progs vs the 00z soundings, I'd say this is going to come out a little bit stronger with the 00z runs. The trof if anything looks slightly slower than modeled, overall pretty well. There are no surprises with the 250mb winds, euro best here. There are colder 850mb and 925mb temps than progged by all west of the trof in the midwest. On our side, the cold air is not oozing east any faster, euro has the best handle here, gfs nam maybe 1c too cold in places. As far as qpf for the last six hours, gfs and nam thankfully overstated the amounts, more isolated half inchers than wide swaths in the mid atlc, euro best of the lot here. Mark's local program gives PHL 1.92" as the best estimate for the event from 7 pm onward, we'll see. Good luck everyone!

quoting from a PHL thread?

you better hope Matt (Zwyts) doesn't see this lol

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Interesting post from Tony in the Philly thread, though i would re post:

Well based on the 6-12 hr progs vs the 00z soundings, I'd say this is going to come out a little bit stronger with the 00z runs. The trof if anything looks slightly slower than modeled, overall pretty well. There are no surprises with the 250mb winds, euro best here. There are colder 850mb and 925mb temps than progged by all west of the trof in the midwest. On our side, the cold air is not oozing east any faster, euro has the best handle here, gfs nam maybe 1c too cold in places. As far as qpf for the last six hours, gfs and nam thankfully overstated the amounts, more isolated half inchers than wide swaths in the mid atlc, euro best of the lot here. Mark's local program gives PHL 1.92" as the best estimate for the event from 7 pm onward, we'll see. Good luck everyone!

If he is referring to the shortwave trof in relation to the PV then that is definitely a plus for us. If the shortwave takes a bit more time that could have a big impact on everything.

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If he is referring to the shortwave trof in relation to the PV then that is definitely a plus for us. If the shortwave takes a bit more time that could have a big impact on everything.

"looks slightly slower than modeled" sounds like an eyeball analysis, so don't get too excited

if it is, however, it should be reflected on the 0Z models

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Even that fact that we are probably getting 1.25"-1.5" from the second part of the storm is very impressive.

yeah for a fast moving storm that's a good deal if precip if it comes together

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Flooood Watch

Yeah!!

* periods of moderate to heavy rainfall are expected Wednesday

afternoon into Wednesday night. Rain is expected to end before

sunrise Thursday. Amounts of 1 to 2 inches are expected... with

locally higher amounts possible. In the cities... accumulations

of around 2 inches in 6 hours may cause streams and creeks to go

out of their banks.

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Yeah!!

* periods of moderate to heavy rainfall are expected Wednesday

afternoon into Wednesday night. Rain is expected to end before

sunrise Thursday. Amounts of 1 to 2 inches are expected... with

locally higher amounts possible. In the cities... accumulations

of around 2 inches in 6 hours may cause streams and creeks to go

out of their banks.

I always lol when anyone calls rain amounts "accumulation".

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The only good to be taken out of it is the fact that this much QPF in December is possibly a good sign for future storms.

maybe.. often it seems january in particular is prone to cold and dry. we'll probably get a -nao for a while with no storms.

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If he is referring to the shortwave trof in relation to the PV then that is definitely a plus for us. If the shortwave takes a bit more time that could have a big impact on everything.

slower and stronger may also be bad though, because the trough ended up more amplified there is more southerly flow ahead of it. That is keeping the temps from crashing until the trough axis passes. Slower means the cold will be slower also. More amp'ed could also mean a more wound up and inland low track. These factors could offset the advantages of a slower H5 movement. I think there is more wrong here then just the system moving too fast. The whole evolution of it is wrong. Our best bet is a heavy thump snow with the upper low passage. Its a fluke type thing but it happens sometimes.

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maybe.. often it seems january in particular is prone to cold and dry. we'll probably get a -nao for a while with no storms.

True, most of our monster storms come in December and mainly February. If we have to suffer until February to get a monster i am willing to do it.

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I wish i could believe you, but i have my doubts. Even though when you make these kinds of calls over the years for some reason you have been more right than wrong.

They won't save us IMO but I wouldn't be surprised if they trend just slightly colder, enough that we can get maybe an inch instead of a dusting.

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They won't save us IMO but I wouldn't be surprised if they trend just slightly colder, enough that we can get maybe an inch instead of a dusting.

we've always got hope here in the MA .. even when we don't deserve it

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