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Possible snow->rain->snow? event, Tuesday-Thursday 3/3-5/2015


famartin

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  On 3/4/2015 at 5:25 PM, Ralph Wiggum said:

First final guess of a call after seeing most of 12z......3-6" for my area. Again, apologies for jumping the gun earlier....needed caffeine :-)

Cool...lines up well with my thinking.  I got my caffeine earlier, so I avoided the ledge.

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From others Euro is generally 4-8" throughout the region.   Euro/Ukie/CMC have been fairly rock solid for the last few days really.  GFS wobbled at 6z today but it too has been rather steadfast.  IMO NAM not so much,  furthest north at 12z yesterday to furthest south today.  Personally I don't pay much attention to the NAM and it's surface maps though anyway. 

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  On 3/4/2015 at 6:11 PM, baseball0618 said:

here is a map.  Euro has been steady as she goes with this:  these maps are usually a little overdone b/c they count sleet but it portrays the picture. 

 

mQZNMtH.png

Eurowx doesn't include sleet in the snowfall accumulation. That was answered recently by eurowx.com in their forum.

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  On 3/4/2015 at 6:19 PM, wkd said:

 

  On 3/4/2015 at 6:11 PM, baseball0618 said:

here is a map.  Euro has been steady as she goes with this:  these maps are usually a little overdone b/c they count sleet but it portrays the picture. 

 

mQZNMtH.png

Eurowx doesn't include sleet in the snowfall accumulation. That was answered recently by eurowx.com in their forum.

 

good to know.  thanks! I definitely think there will be some double digit totals within say 50 miles of the mason dixon line. 

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  On 3/4/2015 at 6:33 PM, Harbourton said:

Glad to see the Euro hang in there. Ray we may beat your 4.8 max

5 is the max, remember my list is split by calendar day whether the storm kept going or stopped. Definitely possible. Hedging my bets with 4-8 right now.

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  On 3/4/2015 at 6:33 PM, JERSEYSNOWROB said:

Ratios should get better as the day wears on though right?

Yes, but might have issues with sun angle that keep it from going too high, plus they will start sub 10:1 right at changeover. So, maybe they are 11:1 or 12:1 overall.

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  On 3/4/2015 at 6:46 PM, bigtenfan said:

I have an 11AM flight out of West Palm Beach due into EWR at about 2PM. What are my chances of the flight making it even if it is delayed?

Thanks in advance

I'd bank on a couple hours of delay. Hopefully that's it. Not sure if they cancel to be honest.
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  On 3/4/2015 at 6:25 PM, famartin said:

Euro is 6-7" at TTN on a 10:1. Smidge less than last run due to delayed changeover until after 6Z.

 

Ray when do you think the changeover occurs?  Yesterday it seemed like it would be around 1-3AM.  do you think it will be later?

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OK, internet access is back so here's what I can see on the EC for other locales.  These are based on my interpretation of the QPF and thermal profiles based on 6-hour time intervals...so there's a little guesswork.

 

MPO ~0.33" as snow

ABE ~0.47" as snow

RDG ~0.52" as snow

TTN ~0.62" as snow

PHL ~0.74" as snow

ILG ~0.76" as snow

ACY ~0.65" as snow

GED ~0.50" as snow

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  On 3/4/2015 at 7:21 PM, yankeex777 said:

Ray when do you think the changeover occurs?  Yesterday it seemed like it would be around 1-3AM.  do you think it will be later?

EC looks like 3-4AM.  GFS more like 2-3AM.  NAM near 1AM. 

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