Sunday, November 07, 2021

Winter '21 / '22 - Pacific Decadal Oscillation (PDO): OCT-21

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 -3.06 (~2.25-sigma below the monthly mean) PDO/s cool phase continues apace.  22 continuous months with an index value < 0 (JAN-20 - pre...
Friday, November 05, 2021

Winter '21 / '22 - Quasi-Biennial Oscillation (QBO): OCT-21

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-19.14 (just inside 1-sigma from the mean) OCT is now the 5th month with a QBO index below zero having flipped in JUN following its 14 month...
Tuesday, November 02, 2021

Winter '21 / '22 - Eurasia Snow Cover: OCT-21

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Observed:  10,671,792 km^2 Average:  10,310,000 km^2 Median:  10,130,000 km^2 3.5% (5.3%) above normal (median) Rank:  19 (n = 54) Above ave...
Sunday, October 31, 2021

Winter '21 / '22 - 21st Annual 'Season-total' Snowfall Forecast Contest: Call for Forecasts!

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NEWxSFC/s Director of Season-total Snowfall Forecasting Here comes winter with its oscillating Arctic and North Atlantic indexes ... sudden ...
Saturday, April 17, 2021

Winter '20 / '21 - 22nd Annual 'Regular Season' Snowfall Forecast Contest: FINAL Results

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DC (30-JAN-66) After FOUR snow storm forecasting contests ... under the ‘two-thirds’ rule … forecasters who entered at least THREE forecasts...
Tuesday, April 13, 2021

Snow chaos in Europe caused by melting sea-ice in the Arctic

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"A 50% reduction in Arctic sea-ice cover has increased open-water and winter evaporation to fuel more extreme snowfall further [sic] so...
Monday, April 12, 2021

Winter '20 / '21 - 20th Annual 'Season-total' Snowfall Forecast Contest: FINAL Results

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BOSOX Opening Day (14-APR-53) Congratulations to MillVilleWx for issuing the top forecast among forecasters in the 'Season-total' S...
4 comments:
Sunday, April 11, 2021

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

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VT - Stowe (Marion Post Wolcott - 1940) MAR-21 snowfall summary by forecast station. Rank-ordered descending by percent of monthly period-of...
4 comments:
Tuesday, March 23, 2021

Explosive origins of 'secondary' ice and snow

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"... " rime splintering " isn't nearly the whole story.   "The new results from the Arctic show ... larger supercool...
Thursday, March 04, 2021

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

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BWI St. Paul St.looking N from Read St. (MAR-42) FEB-21 snowfall summary by forecast station. Rank-ordered descending by percent of monthly ...