Thursday, February 2, 2023

Winter '22 / '23 - 'Season-total' Snowfall Forecast Contest: JAN Snowfall Totals

NYC
Washington Square (1954)
JAN-23 snowfall summary by forecast station.

Rank ordered descending by percent of monthly period-of-record-normal (P-O-R-N).

Green ==> 4th quartile
White ==> less than 4th and greater than 1st quartile (inter-quartile range)
Red ==> 1st quartile

'Obs' reporting 0.05 denote 'Trace' amounts (observed but not measurable)

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JAN Forecast Station Highlights
5 stations at or above normal monthly snowfall.
CAR ... CON ... BGR ... PWM ... BTV

Biggest Losers
16 stations with less then half their normal monthly snowfall.
ORF got skunked.

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Season-Total-to-Date
JAN  P-O-R-N contributes 279" (30%) toward the season-total snowfall (D-J-F-M) of 934".
JAN-23 observed snowfall:  191" (68% of monthly P-O-R-N; 20% of season-total snowfall)

Images courtesy NOHRSC @ http://www.nohrsc.noaa.gov/nsa/

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Teleconnections

AO / NAO / PNA data
https://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/ norm.daily.ao.nao.pna.aao.gdas.120days.csv

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DEC snowfall totals:
http://newxsfc.blogspot.com/2023/01/winter-22-23-season-total-snowfall.html

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