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Son of Sandy- Nov 7-8, 2012 II


Baroclinic Zone

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look at the temp gradient in E coastal Mass. some spots near the coast are just gonna torch the BLayer with those ENE/NE winds.

Bos NE thru salem. low 40's

just to the west mid 20's to upper 20's.

i'm sitting 28.8 in wakefield ma at the moment.

Watch the coastal front tommorrow, i wouldn't be shocked to see precip breakout and focus along this front.

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THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WINTER

WEATHER ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO

7 AM EST THURSDAY.

* LOCATIONS...SOUTHERN NEW HAMPSHIRE...WESTERN AND CENTRAL

MASSACHUSETTS...NORTHERN CONNECTICUT AND FAR NORTHWEST RHODE ISLAND.

* HAZARD TYPES...ACCUMULATING SNOW FOLLOWED BY THE POTENTIAL FOR

SOME LIGHT FREEZING RAIN.

* ACCUMULATIONS...SNOW ACCUMULATION BETWEEN 1 AND 4 INCHES...ALONG

WITH UP TO A TENTH OF AN INCH OF ICE. THE BEST CHANCE FOR THE

HIGHER SNOW ACCUMULATIONS WILL BE ACROSS THE HIGHER TERRAIN.

* TIMING...SNOW WILL OVERSPREAD THE REGION FROM SOUTH TO NORTH.

THIS WILL OCCUR BY MID AFTERNOON IN AREAS SOUTH OF THE

MASSACHUSETTS TURNPIKE. THE SNOW WILL ARRIVE ACROSS INTERIOR

NORTHERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE BY LATE

AFTERNOON OR EARLY EVENING. THE SNOW WILL THEN CHANGE TO LIGHT

FREEZING RAIN AND PERHAPS EVENTUALLY PLAIN RAIN IN SOME LOCATIONS LATER

TONIGHT.

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...WINTER STORM WARNING IN EFFECT UNTIL 6 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A WINTER

STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM EST

THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* ACCUMULATIONS...SNOW ACCUMULATION OF 3 TO 5 INCHES.

I didn't realize PHI's WSW snowfall criteria was this low. Regardless, nice to see the color on the map and congrats!

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  On 11/7/2012 at 10:44 AM, codfishsnowman said:

somwhere in philly metro area gonna see two to three inch hr rates and someone down there is gonna have a foot on the grassy surfaces...they are gonna get smoked!!

sick lol just sick!

Hey man I live in NE Philly, don't mean to clog up your thread. It truly is amazing we're talking about a significant snowstorm on Nov 7th lol. If the 6z NAM verified some places would see a foot, but I think it's over done. It really depends where the best VVs set up. Good luck up there as well.

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  On 11/7/2012 at 10:51 AM, CT Blizz said:

I think 2-4 inches is probably a decent forecast for many areas. Hopefully we can hold this off until closer to dark.

BOX is saying early afternoon for south of the Pike, so based on that, seems like holding off is not in the cards. Seeing the radar (probably virga) already approaching Philadelphia would also keep me from holding my breath on that one. I think this is going to just truck on through with the primary question of how much can fall prior to any phase change.

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  On 11/7/2012 at 11:22 AM, sbos_wx said:

Yeah, generally maybe 5F colder than BWI at times. My current temps about 35-36F.

Where this band sets up will be key. I might see more snow than expected if it can pivot overhead.

Good luck. I'd like to see some NAM type amounts, but that's pretty much an outlier.

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