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February 1-2 Winter Event Obs


Ralph Wiggum

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Upton just issued the item below - probably time for Mt. Holly to also, as they still have my high being 40F on the point/click.  We're at 30F with a mix of freezing rain and snow now and a glaze on everything...

 

NATIONAL WEATHER SERVICE NEW YORK NY
1008 AM EST MON FEB 2 2015

.SYNOPSIS...
LOW PRESSURE PASSES SOUTH OF LONG ISLAND TODAY AND INTENSIFIES AS
IT TRACKS TOWARDS NOVA SCOTIA. HIGH PRESSURE BUILDS INTO THE
REGION BEHIND THE DEPARTING LOW. AN ARCTIC FRONT APPROACHES FROM
THE NORTHWEST WEDNESDAY...THEN CROSSES THE TRI-STATE WEDNESDAY
NIGHT AND THURSDAY MORNING. CANADIAN HIGH PRESSURE THEN BUILDS IN
THROUGH FRIDAY...AS LOW PRESSURE PASSES WELL TO THE SOUTHEAST. THE
HIGHS SLIDES TO THE SOUTH FRIDAY NIGHT. ANOTHER ARCTIC FRONT
APPROACHES FROM THE NORTH SATURDAY...THEN PUSHES TO THE SOUTH
SATURDAY NIGHT. LOW PRESSURE APPROACHES FROM THE WEST ON SUNDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
...SIGNIFICANT ICING THROUGH THIS EVENING FROM THE NJ METRO AREA
EAST ACROSS NYC AND LONG ISLAND...

AS LOW PRES DEVELOPS FURTHER SOUTH ACROSS THE DELMARVA...THE COASTAL
FRONT CONTINUES MOVING SOUTH OF LONG ISLAND AND MOVES ACROSS THIS
BOUNDARY TOWARD THE GREATEST PRES FALLS...SOUTHEAST OF CAPE COD.
THIS ALLOWS COLDER AIR TO DRAIN SOUTH...THAT WILL CAUSE A ROUND OF
SIGNIFICANT FREEZING RAIN...1/4 TO 1/3 OF AN INCH MAINLY ACROSS
THE ADVISORY AREA.

MAJOR CHANGES WERE MADE TO REFLECT MUCH COLDER TEMPS ALONG THE
COAST...FALLING THROUGH THE 20S ALONG WITH INCREASING ICING. ROAD
CREWS SHOULD PREPARE FOR SIGNIFICANT ICING THROUGH THIS EVENING.

OTHERWISE...THE WINTER STORM WARNING...MAINLY FOR SNOW MIXED WITH
FREEZING RAIN AND SLEET EARLY...LOOKS ON TARGET.

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Just glancing at the hourlies, temps and dewpoints appear to now be dropping across the region.  Even Atlantic City and Millvile (although both are starting from temps in the upper 40s) are getting into the act.  This precip could well end as something frozen for most.  

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Upton just issued the item below - probably time for Mt. Holly to also, as they still have my high being 40F on the point/click.  We're at 30F with a mix of freezing rain and snow now and a glaze on everything...

 

NATIONAL WEATHER SERVICE NEW YORK NY

1008 AM EST MON FEB 2 2015

.SYNOPSIS...

LOW PRESSURE PASSES SOUTH OF LONG ISLAND TODAY AND INTENSIFIES AS

IT TRACKS TOWARDS NOVA SCOTIA. HIGH PRESSURE BUILDS INTO THE

REGION BEHIND THE DEPARTING LOW. AN ARCTIC FRONT APPROACHES FROM

THE NORTHWEST WEDNESDAY...THEN CROSSES THE TRI-STATE WEDNESDAY

NIGHT AND THURSDAY MORNING. CANADIAN HIGH PRESSURE THEN BUILDS IN

THROUGH FRIDAY...AS LOW PRESSURE PASSES WELL TO THE SOUTHEAST. THE

HIGHS SLIDES TO THE SOUTH FRIDAY NIGHT. ANOTHER ARCTIC FRONT

APPROACHES FROM THE NORTH SATURDAY...THEN PUSHES TO THE SOUTH

SATURDAY NIGHT. LOW PRESSURE APPROACHES FROM THE WEST ON SUNDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

...SIGNIFICANT ICING THROUGH THIS EVENING FROM THE NJ METRO AREA

EAST ACROSS NYC AND LONG ISLAND...

AS LOW PRES DEVELOPS FURTHER SOUTH ACROSS THE DELMARVA...THE COASTAL

FRONT CONTINUES MOVING SOUTH OF LONG ISLAND AND MOVES ACROSS THIS

BOUNDARY TOWARD THE GREATEST PRES FALLS...SOUTHEAST OF CAPE COD.

THIS ALLOWS COLDER AIR TO DRAIN SOUTH...THAT WILL CAUSE A ROUND OF

SIGNIFICANT FREEZING RAIN...1/4 TO 1/3 OF AN INCH MAINLY ACROSS

THE ADVISORY AREA.

MAJOR CHANGES WERE MADE TO REFLECT MUCH COLDER TEMPS ALONG THE

COAST...FALLING THROUGH THE 20S ALONG WITH INCREASING ICING. ROAD

CREWS SHOULD PREPARE FOR SIGNIFICANT ICING THROUGH THIS EVENING.

OTHERWISE...THE WINTER STORM WARNING...MAINLY FOR SNOW MIXED WITH

FREEZING RAIN AND SLEET EARLY...LOOKS ON TARGET.

 

 

Ok, Mt. Holly just issued the following, although my point/click still has a high of 40F for me - going to be an interesting day.  We now have about a 0.1" glaze on everything here in the Edison area and even paved surfaces are starting to freeze up.  

 

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

COLD AIR CONTINUES TO FILTER DOWN FROM THE NORTH WITHIN THE

NORTHEAST FLOW ON THE NORTHERN SIDE OF THE COLD STATIONARY

FRONTAL BOUNDARY ACROSS THE NORTHERN TIER. A WARM FRONT IS TRYING

TO SLOWLY LIFT INTO OUR SOUTHERN TIER, BUT WILL NOT MAKE MUCH MORE

PROGRESS NORTHWARD. THE COLD FRONT ACROSS WESTERN PENNSYLVANIA

WILL SWING THROUGH LATER THIS AFTERNOON.

THE ADVISORY FOR CHESTER COUNTY WAS ALLOWED TO EXPIRE AS

TEMPERATURES HAVE RISEN ABOVE FREEZING AND ALL RAIN SHOULD

CONTINUE UNTIL SNOW SQUALLS MOVE INTO THE AREA THIS AFTERNOON.

HOWEVER, THEY ARE NOT EXPECTED TO ADD MUCH ACCUMULATION.

THE ADVISORY WAS EXPANDED TO MONMOUTH COUNTY AS TEMPERATURES THERE

CONTINUE TO DROP AND WE EXPECT A PERIOD OF FREEZING RAIN, ALONG

WITH SLEET AND/OR SNOW INTO THE AFTERNOON THERE NOW.

THE REST OF THE ADVISORIES/WARNINGS WERE EXTENDED UNTIL 6 PM AS

THE COLD AIR CONTINUES TO SAG SOUTHWARD WILL CHANGE RAIN BACK TO

FREEZING RAIN, AND WILL CONTINUE TO MIX WITH SLEET AND/OR SNOW AT

TIMES.

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Ok, Mt. Holly just issued the following, although my point/click still has a high of 40F for me - going to be an interesting day.  We now have about a 0.1" glaze on everything here in the Edison area and even paved surfaces are starting to freeze up.  

 

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

COLD AIR CONTINUES TO FILTER DOWN FROM THE NORTH WITHIN THE

NORTHEAST FLOW ON THE NORTHERN SIDE OF THE COLD STATIONARY

FRONTAL BOUNDARY ACROSS THE NORTHERN TIER. A WARM FRONT IS TRYING

TO SLOWLY LIFT INTO OUR SOUTHERN TIER, BUT WILL NOT MAKE MUCH MORE

PROGRESS NORTHWARD. THE COLD FRONT ACROSS WESTERN PENNSYLVANIA

WILL SWING THROUGH LATER THIS AFTERNOON.

THE ADVISORY FOR CHESTER COUNTY WAS ALLOWED TO EXPIRE AS

TEMPERATURES HAVE RISEN ABOVE FREEZING AND ALL RAIN SHOULD

CONTINUE UNTIL SNOW SQUALLS MOVE INTO THE AREA THIS AFTERNOON.

HOWEVER, THEY ARE NOT EXPECTED TO ADD MUCH ACCUMULATION.

THE ADVISORY WAS EXPANDED TO MONMOUTH COUNTY AS TEMPERATURES THERE

CONTINUE TO DROP AND WE EXPECT A PERIOD OF FREEZING RAIN, ALONG

WITH SLEET AND/OR SNOW INTO THE AFTERNOON THERE NOW.

THE REST OF THE ADVISORIES/WARNINGS WERE EXTENDED UNTIL 6 PM AS

THE COLD AIR CONTINUES TO SAG SOUTHWARD WILL CHANGE RAIN BACK TO

FREEZING RAIN, AND WILL CONTINUE TO MIX WITH SLEET AND/OR SNOW AT

TIMES.

 

Great call....those guys are always on the ball with this stuff!

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Per surface obs, looks like the secondary is inland over Millville/Vineland general area.

 

It is definitely pulling colder air down.  Millville's temps and dews over the past few hours:  9 am - 49 F and 47 F; 10 am - 47 F and 46 F; and 11 am - 44 F and 42 F.  Not a precipitous drop by any means and almost certainly it won't be enough to turn deep south jersey over to anything frozen.  However, the worm has clearly turned and that may mean something more frozen for PHL and the close in burbs before this is said and done.  

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Whats happening up in Q-Town my Quakertown friends? Looks like u r about to transition if not already.

I'm almost directly west of them.  I changed to sleet/snow a bit before 11 (dry slot before that), and pretty much all snow now.  Just started to coat the ground again.  (I was out cleaning up the 1.5 or so inches of compacted snow/slush before the big freeze)

 

EDIT that sleet/snow was more like rimed flakes I think....also temp 32.1 after a high of 33.6.

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