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November 2013 Observations & Discussions


Rtd208

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That's going to be a problem for sure. It's the dreaded cold, rain, cold pattern where temperatures could be below to well below normal but you still don't get much if any snow.

Yeh. I rarely look past 5 days. But since they matched up a bit , it caught my attention

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Record low temperatures for 11/25 for select cities:

 

Baltimore: 18°, 1956

Boston: 13°, 1938

Bridgeport: 22°, 2005

Danbury: 10°, 1938

Harrisburg: 16°, 1950

Hartford: 12°, 2000

Islip: 18°, 1989

New York City:

...Central Park: 19°, 1938

...JFK: 22°, 2005

...LGA: 23°, 2005

Newark: 19°, 1938

Philadelphia: 21°, 1965

Poughkeepsie: 9°, 1938

Providence: 12°, 1938

Washington, DC: 18°, 1950

White Plains: 19°, 2005

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That is odd. Unless it went from 30.5 at 11:59 to 30.4 at midnight. :lol:

ASOS uses a 5 minute average temperature.  So, if one were to look at the 1 minute data, I suspect this is what they would find.

 

1155 31

1156 31

1157 31

1158 30

1159 30

1200 30

 

The 5-minute average at 1159 was still 31, just barely, while at 1200 it fell to 30. 

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ASOS uses a 5 minute average temperature.  So, if one were to look at the 1 minute data, I suspect this is what they would find.

 

1155 31

1156 31

1157 31

1158 30

1159 30

1200 30

 

The 5-minute average at 1159 was still 31, just barely, while at 1200 it fell to 30. 

 

 

Interesting; should have known that about ASOS. But yeah, that would make sense. 

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Hopefully better than the 10 inches that fell 24 years ago today did.

1989-90 was notable for the severe cold that enveloped the region during November and December. On 11/23/1989 a coastal storm developed and brought the first substantial November snowfall the region had seen in decades. While the event could be deemed "plowable" in the five boroughs of NYC, out on the Twin Forks and closer to the Atlantic Low, it was a major storm.

Snowfall 11/23/1989:

Bridgehampton: 10.0"

NYC Central Park: 4.7"

JFK Airport: 3.7"

As the New Year arrived, the rubberband snapped and the NY area was flooded with mild air. January was fairly inactive, but on 2/25/1990, the area came under the influence of a developing Norlun Trough. This feature produced some prodigious snow totals over the East End, but managed to just brush the NYC area with some light snows.

Snowfall 2/25/1990:

East Hampton 14.0"

Bridgehampton: 13.0"

Cutchogue 13.0"

Greenport: 12.0"

NYC Central Park: 1.8"

JFK Airport: 1.3"

That was basically it for the winter, but when the bookeeping was complete the snow totals showed what has to be deemed a passable / perhaps even good winter on the East End, but an unimpressive one for NYC.

Snowfall 1989-90:

Bridgehampton: 35.2"

NYC Central Park: 13.4"

JFK Airport: 9.6"

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The climate report had 11:59PM for 31 low. 

http://www.srh.noaa.gov/data/OKX/CF6NYC

 

This will probably get flagged at NCDC as an internal inconsistency.  Not 100% sure what they'll do, but one of those temps will get invalidated (the low of 31 or the high of 30)

 

I believe March 16, 2004 had a high of 42°, while March 15 had a low of 44°. So this is probably a rare occurrence.

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