Saturday, February 13, 2021

Winter '20 / '21 - 'Season-total' Snowfall Forecast Contest: JAN Totals


Mass General Hospital (06-FEB-61)

UPDATE 14-FEB-21 4 PM EST:  corrected JAN total for EWR ... NYC ... BDR and JAN Forecast Station Highlights section.

h/t Roger Smith

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JAN-21 snowfall summary by forecast station.

Rank-ordered descending by percent of monthly period-of-record-normal
(%JAN)


Green ==> 4th quartile
White ==> Inter-quartile range
Red ==> 1st quartile

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JAN Forecast Station Highlights
3 stations with above normal monthly snowfall

BTV
4.1" (21%) above JAN normal

ORF
0.2" (6%) above JAN normal

SBY
0.2" (6%) above JAN normal

Biggest Losers

PWM ... CON (less than 35% JAN P-O-R-N)

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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 929".

JAN-21 observed snowfall:  212" (-44% below P-O-R-N; 17% of season-total snowfall)

Image 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/daily.index.ascii

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DEC Totals
https://newxsfc.blogspot.com/2021/01/winter-20-21-season-total-snowfall.html

2 comments:

Anonymous said...

TQ, I think the first three in the list are errors, they are partial totals for February. The actual totals are a lot lower (NYC 2.1, BDR 3.1, EWR 3.2). Did not check all the others but a few that I did check were okay. -- Roger Smith

TQ said...

WFO OKX has yet to release their JAN CLMs so i used the CF6 tables but didn't notice they were for FEB.

thx (again) for the QC. will correct soonly ...