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Old 12-18-2011, 10:38 AM
 
Location: Near the Coast SWCT
83,513 posts, read 75,277,900 times
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December 21-22, 2011 Storm Update
Rain - Warm.

December 26, 2011 Storm Update
Christmas Eve - Dry & Coold.
Christmas Day - precip starts to move in.

Now entering mid range for this... The last update is crazy. Goes from Rain to a snowstorm as the storm gains strength off the coast and draws in cold air. If we continue to see this and also see something similar with other models then confidence builds... But for now it's only a couple times I seen this senario.

This would equate to 1/4" of rain to 4-6" of snow. Lets see if this trend continues.

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Old 12-18-2011, 01:36 PM
 
Location: Live in NY, work in CT
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Quote:
Originally Posted by Cambium View Post
December 21-22, 2011 Storm Update
Rain - Warm.

December 26, 2011 Storm Update
Christmas Eve - Dry & Coold.
Christmas Day - precip starts to move in.

Now entering mid range for this... The last update is crazy. Goes from Rain to a snowstorm as the storm gains strength off the coast and draws in cold air. If we continue to see this and also see something similar with other models then confidence builds... But for now it's only a couple times I seen this senario.

This would equate to 1/4" of rain to 4-6" of snow. Lets see if this trend continues.
That sounds very similar to the Christmas Day 2002 storm.

As for the possible New Year's Day storm, an interesting piece of history. On New Year's Day 1869, the weather station in Central Park opened, one of the first "official" stations in the US (and still going strong obviously!). It opened during a 9" snowstorm. To this day that is still the biggest Jan. 1 snowfall for the Park.
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Old 12-18-2011, 03:07 PM
 
Location: Near the Coast SWCT
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Christmas 2011 Storm Update

The last Euro run was nuts. Says moderate snowstorm for NorthEast. We'll have to see if this trend continues. 3-6" for most of CT and 6-9" for Litchfield. It basically has a low come from Ohio Valley and move NorthEast with cold air in place.

Here's the snowfall totals on that particular run. Dont look at the date, its accumulated snowfall which includes a couple inches 2 days before.

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Old 12-18-2011, 05:46 PM
 
Location: Near the Coast SWCT
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Might need to add a storm title in between December 21 and December 25. This is getting crazy with all these disturbances popping up now. For upton to mention snow this far out you know the models are hinting something. Still long medium range anything can change.


NWS NY discussions.

December 23, 2011 Storm:

Quote:
...WITH AN ASSOCIATED COASTAL LOW PASSING TO THE SOUTH ALONG A STALLED FRONTAL BOUNDARY. LOW LEVEL THERMAL PROFILES SUGGEST SNOW OR RAIN/SNOW ACROSS NORTHERN
ZONES AND RAIN ACROSS SOUTHERN ZONES BY LATE THURSDAY NIGHT...WITH PRECIPITATION TRANSITIONING TO ALL RAIN DURING THE DAY ON FRIDAY ON THE NORTHERN TIER. THERE IS QUITE A BIT OF UNCERTAINTY WITH THIS SYSTEM...WITH SOME POTENTIAL IT COULD END UP MISSING US ENTIRELY TO THE SOUTH.
December 25, 2011 Storm

Quote:
THE NEXT POTENTIAL SYSTEM IMPACTS THE REGION LATE CHRISTMAS EVE/CHRISTMAS DAY...THIS TIME EJECTING FROM NEAR THE FOUR CORNERS REGION AROUND THURSDAY. LIKE THE SYSTEM FOR FRIDAY...THE SURFACE LOW WILL TRACK TO THE SOUTH...THE QUESTION IS HOW FAR. FOLLOWING THE ECMWF...HAVE SLIGHT CHANCE POPS FOR LIGHT SNOW DEVELOPING ACROSS MOST ZONES LATE SATURDAY NIGHT...AND CONTINUING INTO SUNDAY MORNING...THEN CHANGING TO RAIN IN THE AFTERNOON.
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Old 12-19-2011, 05:41 AM
 
Location: Near the Coast SWCT
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Christmas 2011 Storm Update

*IF* the last Euro is right, people will not be going anywhere on Christmas day. Snowblowers & plows will be out. People will be stuck where ever they are.

Here's an animation of that update. First 4 images is the pressure of storm. Next 4 are the snowtotals. The green blob would be 12-15".

Not looking good now as this is the 2nd time its shown this and the other models somewhat agree.

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Old 12-19-2011, 06:32 AM
 
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Quote:
Originally Posted by Cambium View Post
Christmas 2011 Storm Update

*IF* the last Euro is right, people will not be going anywhere on Christmas day. Snowblowers & plows will be out. People will be stuck where ever they are.

Here's an animation of that update. First 4 images is the pressure of storm. Next 4 are the snowtotals. The green blob would be 12-15".

Not looking good now as this is the 2nd time its shown this and the other models somewhat agree.
Scrooge! Someone please post some models that show a less dramatic forecast.
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Old 12-19-2011, 07:09 AM
 
Location: Live in NY, work in CT
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Quote:
Originally Posted by Cambium View Post
Christmas 2011 Storm Update

*IF* the last Euro is right, people will not be going anywhere on Christmas day. Snowblowers & plows will be out. People will be stuck where ever they are.

Here's an animation of that update. First 4 images is the pressure of storm. Next 4 are the snowtotals. The green blob would be 12-15".

Not looking good now as this is the 2nd time its shown this and the other models somewhat agree.

The ultimate White Christmas.....
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Old 12-19-2011, 07:10 AM
 
Location: Out in the stix
1,607 posts, read 3,090,219 times
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and on 11pm news last night the reiterated chances of a white Christmas in CT anyway were less than 10%, weatherman said if you want a white Christmas go up into Vermont.

I don't know what to believe any longer, everything is all over the map from 12 inches of snow to a miss....whatever it is going to be hey we have no control over it.
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Old 12-19-2011, 07:19 AM
 
Location: USA East Coast
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I think they have a decent shot of a white XMASS in the far north …but it looks like a long shot from the Southern Connecticut/NYC/NJ areas southward for snow on the ground on the 25th.

Here is the latest NWS forecast from 30 minutes ago:

NWS New York, NY
Point Forecast: New Haven CT
41.3°N 72.95°W

Today: Sunny, with a high near 45. Breezy, with a southwest wind between 10 and 15 mph.

Tonight: A chance of sprinkles, mixing with flurries after 11pm, then gradually ending. Low around 34. West wind between 9 and 16 mph.

Tuesday: Mostly sunny, with a high near 44.

Tuesday Night: Cloudy, with a low around 31.
Wednesday: Rain likely, mainly after noon. Cloudy, with a high near 50. South wind between 5 and 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch possible.

Thursday: Mostly sunny, with a high near 51.

Friday: A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.

Saturday: A chance of rain. Partly sunny, with a high near 42. Chance of precipitation is 30%.

Christmas Day: Mostly cloudy, with a high near 43.
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Old 12-19-2011, 07:30 AM
 
Location: Near the Coast SWCT
83,513 posts, read 75,277,900 times
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We're still 5 days away guys... Lets see what happens...

Right now "some" not all models are suggesting this snowstorm. The 2 most reliable ones are.

I'll post an update later with my thoughts. Things have to be 99% perfect to get this to happen including the most crucial...TRACK.

This is from NWS Albany:
Quote:
THE SFC WAVE QUICKLY MOVES NORTHEAST TOWARDS THE DELM...ARVA REGION BY 00Z/SUN. ARCTIC HIGH PRESSURE REMAINS NEAR THE GULF OF ST LAWRENCE. THE WAVE SLOWLY MOVES NORTHEAST TOWARDS ERN LONG ISLAND BY CHRISTMAS MORNING WITH CRITICAL PARTIAL THICKNESS VALUES INDICATING A PREDOMINANTLY ALL SNOW EVENT
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