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E PA/NJ/DE Winter 2024/25 Obs/Discussion


JTA66
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17 minutes ago, RedSky said:

Still have a couple remnant snow crust remains in north facings from before Christmas that it  appears can survive into March lol

Winter of yore stuff

We've had snow around all winter just about in one place or another and looks to continue...

34F/Sunny....get your vitamin D while you can.

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My advice is take each threat one at a time, that's what I'm doing. Pattern is active and should be multiple threats, that's all we can ask for. I'm focused on tonight then will take a look at Sun and Tues tomorrow, not even focused on them yet let alone anything further than that. Tonight was looking like mostly rain 5 days ago and now is looking mostly frozen... Things can change quick.

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4 hours ago, The Iceman said:

My advice is take each threat one at a time, that's what I'm doing. Pattern is active and should be multiple threats, that's all we can ask for. I'm focused on tonight then will take a look at Sun and Tues tomorrow, not even focused on them yet let alone anything further than that. Tonight was looking like mostly rain 5 days ago and now is looking mostly frozen... Things can change quick.

Yep. Remember when I made a post 6 days or so ago when the Euro had highs in the mid 60s today for us? Changes. 

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5 hours ago, Ralph Wiggum said:

Yep. Remember when I made a post 6 days or so ago when the Euro had highs in the mid 60s today for us? Changes. 

More changes with 0z and not of the good kind this time. Best to wait for tomorrow and hope for more changes.

 

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6 hours ago, RedSky said:

More changes with 0z and not of the good kind this time. Best to wait for tomorrow and hope for more changes.

 

Not seeing anything 'bad', unless your expectations are set at wall-to-wall snow and cold with each wave next week. Saturday night now looks 95% frozen, not much snow but whatever. Tuesday is starting to hone in on a solid 4-8"/5-10" ish type secs. Then a followup wave thurs or fri is really close with the boundary but that could go either way, then fantasy range has a signal for PD and after the 20th a window opens for a bigger 'potential' (Archabault?) As the nao rots. 

So yeah. If you asked me if I would take this in a Nina February I would sign on the dotted line.

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Stolen from the MA forum...

Washington Post article excerpt which is a good reminder:

Consider these rules of thumb for snow forecasts: •    Predictions 10 or more days into the future are almost always unreliable. •    Predictions seven days into the future are generally unreliable. •    Predictions five days into the future are sometimes reliable. •    Predictions three days or less into the future are generally reliable, but not always.

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GFS and CMC evolutions are a good bit different.

GFS wants a bigger first wave and then sort of staggers the second round into two pieces, one of which is mostly a southern rain.  5-10" of snow and then a minor mixed-to-rain event of sorts.

Canadian says the second event is more amped and is mostly rain.  Probably a 3-6" snow event washed away.

I'll be curious to see what the Euro does at 12Z.  At 0Z it was less amped on both events, unsurprisingly.

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5 hours ago, Ralph Wiggum said:

Not seeing anything 'bad', unless your expectations are set at wall-to-wall snow and cold with each wave next week. Saturday night now looks 95% frozen, not much snow but whatever. Tuesday is starting to hone in on a solid 4-8"/5-10" ish type secs. Then a followup wave thurs or fri is really close with the boundary but that could go either way, then fantasy range has a signal for PD and after the 20th a window opens for a bigger 'potential' (Archabault?) As the nao rots. 

So yeah. If you asked me if I would take this in a Nina February I would sign on the dotted line.

Hone in dude really?

The ECM/GFS/CMC/ICON/NAM/RAP/HRRR and any other oddball less used model busted on todays frozen at game time for N&W zones. I have no clue what is going to happen Saturday night, none lol

 

 

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6 hours ago, Ralph Wiggum said:

Not seeing anything 'bad', unless your expectations are set at wall-to-wall snow and cold with each wave next week. Saturday night now looks 95% frozen, not much snow but whatever. Tuesday is starting to hone in on a solid 4-8"/5-10" ish type secs. Then a followup wave thurs or fri is really close with the boundary but that could go either way, then fantasy range has a signal for PD and after the 20th a window opens for a bigger 'potential' (Archabault?) As the nao rots. 

So yeah. If you asked me if I would take this in a Nina February I would sign on the dotted line.

Depends where you are. It's frozen the more north and west you are to the Philly viewing area. However, if you're south and east, you'll see less frozen precip. I think it will be an all-rain event in places like AC.

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42 minutes ago, RedSky said:

Hone in dude really?

The ECM/GFS/CMC/ICON/NAM/RAP/HRRR and any other oddball less used model busted on todays frozen at game time for N&W zones. I have no clue what is going to happen Saturday night, none lol

 

 

They did well, HOWEVER even up here in the poconos, at 28 degrees, the ice didn’t accumulate. The sleet did, but there was literally no ice accrual 

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1 minute ago, anthonyweather said:

They did well, HOWEVER even up here in the poconos, at 28 degrees, the ice didn’t accumulate. The sleet did, but there was literally no ice accrual 

How much frozen fell in the Pocono's because locally it was 25% or less the predicted amount

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The ensemble runs are a bit snowier than the operational runs of the European. The European shows 3 more winter storms over the next 10 days. The first one this weekend is snow to ice. The 2nd one in the Wednesday to Thursday time frame looks to be a "plowable" event. The third looks possible next weekend. The below are the ensemble runs for each of these potential events. 

image.thumb.png.98ef0b64dd075e17beee376a01f8bb40.pngimage.thumb.png.1961ceebd5f9e6eb74eb6afc69fe5e6c.pngimage.thumb.png.95a1cda4a27d1bb2580f55f837cdb9dd.png

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