Tuesday, March 7, 2023

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

NYC
City Hall Park (c.1946)
FEB-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 unmeasurable).

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FEB Forecast Station Highlights

CAR the sole station to observe at of above normal monthly snowfall.

Biggest Losers
15 stations with less then half their normal monthly snowfall (16 in JAN).
Not a single flake ... ice pellet ... or hailstone observed at RDU.

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Season-Total-to-Date
FEB P-O-R-N contributes 262" (28%) toward the season-total (D-J-F-M) snowfall of 934".
FEB-23 observed snowfall:  134" (51% of monthly P-O-R-N; 14% of normal 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 here
JAN snowfall totals here
FEB snowfall totals here

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