Monday, January 13, 2025

Winter '24 / '25 - 'Season-total' Snowfall Forecast Contest: DEC Snowfall Totals

DC
Connecticut Ave and Chevy Chase Circle - 1942


DEC-24 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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DEC Forecast Station Highlights

1 station observed at least 100% of its monthly climo snowfall (BGM).

Biggest Losers
9 stations with less than 10%.
2 stations observed trace amounts (displayed as 0.05").
3 stations not a single flake ... ice pellet ... or hailstone observed.

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Season-total-to-Date
DEC P-O-R-N contributes 207" (22%) toward the season-total (D-J-F-M) snowfall of 936".
DEC-24 observed snowfall:  130" (63% of monthly P-O-R-N; 14% of P-O-R-N season-total snowfall).

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Teleconnections

AO / NAO / PNA data

2 comments:

Shillelagh said...

Word is that JB called for a mild winter. Maybe Feb and March will rescue him. Of course he's now calling for Plant Killing cold.

TQ said...

at winter's halftime we've been anything but mild. lotta cold air going to waste with but 1 contest-worthy snow storm. looking forward to what i hope will be an exciting finish ...