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December warm NOT White


PB GFI

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NYC is now +12.1 on the month. The GEFS rough departure calculation for December 16-31

is 14.5. It could potentially allow NYC to finish December at near +13.3. This would represent

the greatest monthly departure on record for NYC and beat 2001 for the warmest December

by a sizable margin.

 

GEFS rough forecast for December in NYC added to warmest December list

 

2015...50.8....based on GEFS 2 week forecast...current 52.0 ....+10 is 47.5

2001...44.1

1984...43.8

2006...43.6

2011...43.3

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NYC is now +12.1 on the month. The GEFS rough departure calculation for December 16-31

is 14.5. It could potentially allow NYC to finish December at near +13.3. This would represent

the greatest monthly departure on record for NYC and beat 2001 for the warmest December

by a sizable margin.

 

GEFS rough forecast for December in NYC added to warmest December list

 

2015...50.8....based on GEFS 2 week forecast...current 52.0 ....+10 is 47.5

2001...44.1

1984...43.8

2006...43.6

2011...43.3

Since we're dealing with absurd numbers (absurd warmth, not the data you've posted), the GEFS idea would be the equivalent of the 8th warmest November on record for Central Park.

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The GFSx can not even get into the single digits above normal for the next 8 days (including today), now a mere +10degs.

So (15x12.1) +(8x10) =262deg. surplus.   With a target of 211 to set a new monthly record, the last 8 days of the month will have to be -6.4degs. to prevent this.

http://www.nws.noaa.gov/cgi-bin/mos/getmex.pl?sta=KACY&sta=KEWR&sta=KNYC&sta=KJFK&sta=KLGA

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