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April Discussion


IsentropicLift

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It's going to be a really wet next several days, not wall to wall rain, but a constant threat of showers with periods of rain. Hopefully we can pick up a few inches of soaking rain. 

looks pretty hit or miss to me, I'd be surprised if anyone sees more than an inch

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Spring ? 

 

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
FOR THE WEDNESDAY NIGHT THROUGH THURSDAY PERIOD...MID AND UPPER
LEVEL RIDGING CONTINUES. FOR THE THURSDAY NIGHT THROUGH FRIDAY
PERIOD...MID AND UPPER LEVEL GEOPOTENTIAL TENDENCY REMAINS
RELATIVELY CONSTANT.

FOR THE REST OF THE WORK WEEK...THE UPPER LEVEL JET STREAM STAYS
NORTH OF THE REGION. THEREFORE...NOT A LOT OF STEERING FLOW
LEADING TO AN OVERALL PERSISTENCE OF WEATHER FEATURES AT THE
SURFACE. ALSO ON THE LARGE SCALE...A LONGWAVE RIDGE BASED IN THE
SOUTHEAST WILL HAVE ITS AXIS MOVE ACROSS THE LOCAL AREA THURSDAY
AND THEN SHIFT OFFSHORE THURSDAY NIGHT THROUGH FRIDAY.

AT THE SURFACE...HIGH PRESSURE OVER THE CANADIAN MARITIMES WILL KEEP
AN EASTERLY FLOW AT THE SURFACE WEDNESDAY NIGHT. WITHIN THE
STRUCTURE OF THE MEAN SEA LEVEL PRESSURE FIELD...AN INVERTED
TROUGH IS SEEN WEST OF THE REGION WHERE THERE WILL BE OVERRUNNING

INTERMITTENT LIGHT RAIN AND OR DRIZZLE. FOR WEDNESDAY NIGHT AND
EARLY THURSDAY MORNING...LOW LEVELS LOOK TO BE COLD ENOUGH FOR
SOME SLEET TO MIX IN WITH THE RAIN...ESPECIALLY NORTH OF LONG
ISLAND.

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Spring ? 

 

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...

FOR THE WEDNESDAY NIGHT THROUGH THURSDAY PERIOD...MID AND UPPER

LEVEL RIDGING CONTINUES. FOR THE THURSDAY NIGHT THROUGH FRIDAY

PERIOD...MID AND UPPER LEVEL GEOPOTENTIAL TENDENCY REMAINS

RELATIVELY CONSTANT.

FOR THE REST OF THE WORK WEEK...THE UPPER LEVEL JET STREAM STAYS

NORTH OF THE REGION. THEREFORE...NOT A LOT OF STEERING FLOW

LEADING TO AN OVERALL PERSISTENCE OF WEATHER FEATURES AT THE

SURFACE. ALSO ON THE LARGE SCALE...A LONGWAVE RIDGE BASED IN THE

SOUTHEAST WILL HAVE ITS AXIS MOVE ACROSS THE LOCAL AREA THURSDAY

AND THEN SHIFT OFFSHORE THURSDAY NIGHT THROUGH FRIDAY.

AT THE SURFACE...HIGH PRESSURE OVER THE CANADIAN MARITIMES WILL KEEP

AN EASTERLY FLOW AT THE SURFACE WEDNESDAY NIGHT. WITHIN THE

STRUCTURE OF THE MEAN SEA LEVEL PRESSURE FIELD...AN INVERTED

TROUGH IS SEEN WEST OF THE REGION WHERE THERE WILL BE OVERRUNNING

INTERMITTENT LIGHT RAIN AND OR DRIZZLE. FOR WEDNESDAY NIGHT AND

EARLY THURSDAY MORNING...LOW LEVELS LOOK TO BE COLD ENOUGH FOR

SOME SLEET TO MIX IN WITH THE RAIN...ESPECIALLY NORTH OF LONG

ISLAND.

 

temp swings are normal this time of year. so yes

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 Sunday at 6z? Overnight temps in the mid to upper 30's is no big deal; it's actually pretty close to seasonal. By 18z we're in the mid 50's....

 

There is nothing impressive about the airmass behind this, as I've already mentioned...

Mid to upper 30`s 36 hours after being close to 70 was the point .

 

Seasonal swings were discussed . 

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Mid to upper 30`s 36 hours after being close to 70 was the point .

 

Seasonal wings were discussed . 

Not much of a swing in my book, when considering diurnal temperature variation...

 

I'm just underscoring the point that we're not going from way above normal, to way below normal...

 

It's simply from moderately above, to about average....

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Moderate rain here in Dobbs Ferry. 46/44 with a nasty NE wind. Heat is back on..

 

Amazing how delayed the spring is here. Almost no buds on the maple and beech trees in the local woods. Nothing on the weeping cherry. Just a few crocus and daffodils out..I remember in 2010 when we were nearing full leaf out by April 15th.

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Moderate rain here in Dobbs Ferry. 46/44 with a nasty NE wind. Heat is back on..

Amazing how delayed the spring is here. Almost no buds on the maple and beech trees in the local woods. Nothing on the weeping cherry. Just a few crocus and daffodils out..I remember in 2010 when we were nearing full leaf out by April 15th.

Crocus and daffodils are for March! We are right around last year. We should be seeing fruit trees blumming now and trees really budding up.

A couple of sunny day in the 60s will get he fruit trees going.

Super nasty out right now damp drizzle an 40s is only slightly better then damp drizzle and 30s in winter

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Crocus and daffodils are for March! We are right around last year. We should be seeing fruit trees blumming now and trees really budding up.

A couple of sunny day in the 60s will get he fruit trees going.

Super nasty out right now damp drizzle an 40s is only slightly better then damp drizzle and 30s in winter

 

The NYC average temperature in March 2010 was closer to the usual March average temperature for Richmond, VA.

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The NYC average temperature in March 2010 was closer to the usual March average temperature for Richmond, VA.

That's serious thats like Bangor Maine switching with us. Meanwhile there is nothing but a couple crocus blooming on the upper west side. I have seen crocus bloom during the middle of the winter during a very warm period

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That's serious thats like Bangor Maine switching with us. Meanwhile there is nothing but a couple crocus blooming on the upper west side. I have seen crocus bloom during the middle of the winter during a very warm period

In the Midwest it was even worse. Chicago had 8 days over 80 that March in a 9 day period. Their March as a whole was 15.6 degrees above normal. It ended up being warmer than their average April.

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This statistic speaks volumes about how warm March 2012 really was.

 

Just goes to show how important the EPO and PDO are in determining our local temperatures.

To get such a big swing from one extreme to the other within a 6 year period is very impressive.

 

 

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