Saturday, November 28, 2020

Winter '20 / '21 - 20th Annual 'Season-total' Snowfall Forecast Contest: Call for Forecasts!

›
NEWxSFC/s Director of Season-total Snowfall Forecasting Here comes winter with its oscillating Arctic and North Atlantic indexes ... sudden ...
Wednesday, November 25, 2020

Winter '20 / '21 - Temperature and Precipitation Characteristics for CONUS During La Niña Winters Since 1950

›
No surprise ... all cool ENSO winters are not created equal. Some are weak or moderate or strong. Some associated with QBO-East and some wit...
Saturday, November 21, 2020

Winter '20 / '21 - Season-total Snowfall Anomalies During La Nina Winters

›
 Taken at face value M-A snow crows suffer the most ... The NOAA analysis of Rutgers' Global Snow Lab data does not account for the dif...

Winter '20 / '21 - Outlooks

›
Thread updated periodically as new outlooks and forecasts become available from a variety of credible sources. --- CDC - NOV ...
Wednesday, November 18, 2020

Winter '20 / '21 - Multivariate ENSO Index (MEI): Analog Composites of 500 mb Height and 2-meter Temperature Anomalies ... as of SEP / OCT-20

›
 Analogs and weights for composites: '70 / '71 (24) '07 / '08 (5) '88 / '89 (1) '95 / '96 (1) '64 / ...
Tuesday, November 10, 2020

Winter '20 / '21 - North Atlantic Oscillation (NAO): Analog Composites of 500 mb Height and 2-meter Temperature Anomalies ... as of OCT-20

›
Analogs and weights for composites: '61 / '62 (2) '91 / '92 (0) '95 / '96 (0) '99 / '00 (1) '03 / '...
Monday, November 09, 2020

Winter '20 / '21 - Arctic Oscillation (AO): Analog Composites of 500 mb Height and 2-meter Temperature Anomalies ... as of OCT-20

›
 Analog years and weights for composites: '89 / '90 (3) ... '90 / '91 (2) ... '97 / '98 (2) ... '02 / '03 (1...
Tuesday, November 03, 2020

Winter '20 / '21 - Eurasia Snow Cover: OCT

›
~ 11,000,000 SQ-KM   Under-performing all year ...  6% above P-O-RN (~10,320,000 SQ-KM) 9% above median (~10,080,000 SQ-KM) Period-of-Recor...
Sunday, October 04, 2020

Winter '20 / '21 - Severe Weather Europe: Winter Forecast

›
 Severe Weather Europe ... "The La Nina phase will reach quite a formidable strength at its peak but is expected to start to weaken tow...
Sunday, September 20, 2020

Winter '20 / '21 - How Arctic Amplification Affects the Polar Vortex

›
 " AER explains how accelerated Arctic warming, known as Arctic amplification, is increasingly disrupting the polar vortex, leading to ...