Tuesday, November 05, 2019

Winter '19 / '20 - North Atlantic Oscillation (NAO): Leading Analogs' 500 mb Anomaly Height Composite ... as of OCT-19

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Analog 5H composite ('80/'81 ... '08/'09 ... '12/'13 ... '14/15 ... '16/'17) ... as of OCT-19 - EPO-...
Friday, November 01, 2019

Winter '19 / '20 - Eurasia/s OCT Snow Advancement

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 UPDATE (31-OCT-19) Dr. Cohen via Tweeter ..."... the snow cover advance index came in at +0.6.  "This does suggest a negativ...
Sunday, October 20, 2019

Winter '19 / '20 - What Is the Polar Vortex and How Does It Influence Weather?

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"The term polar vortex has become part of the everyday vocabulary after the widespread media coverage of the extreme cold events ove...
Friday, October 18, 2019

Winter '19 / '20 - Statistical Winter Outlook: Solar cycle and ENSO

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Severe Weather Europe's (SWE) analysis of the solar cycle and ENSO analogs ... "After removing all the cold phases and strong w...
Saturday, October 12, 2019

Winter '19 / '20 - Quasi-Biennial Oscillation (QBO): Leading Analogs' 500 mb Anomaly Height Composite ... as of SEP-19

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Analog 5H composite ('78/'79 ... '85/'86 ...'95/'96 ... '99/'00 ... '02/'03) ... as of SEP-19 - R...
Tuesday, October 08, 2019

Winter '19 / '20 - Eurasia Snow Cover: SEP

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Eurasia/s areal snow cover for SEP-19: ~1,570,000 SQ-KM 3% below 48-year P-O-R-N (~1,629,000 SQ-KM) 1% below 48-year Median (~1,588,000...
Saturday, October 05, 2019

Winter '19 / '20 - Arctic Oscillation (AO): Leading Analogs' 500 mb Anomaly Height Composite ... as of SEP-19

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Analog 5H composite ('53/'54 ... '54/'55 ...'59/'60 ... '97/'98 ... '14/'15) ... as of SEP-19   -...
Thursday, October 03, 2019

Winter '19 / '20 - North Atlantic Oscillation (NAO): Leading Analogs' 500 mb Anomaly Height Composite... as of AUG-19

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UPDATE :  SEP/s NAO did not change the analog years other than to shuffle the 4th and 5th ranks. --- Analog 5H composite ('50/'51...
Saturday, September 28, 2019

Winter '19 / '20 - Eurasian Snow Cover: AUG

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Eurasia/s areal snow cover for AUG-19:  ~158,300 km2 -61% below 48-year P-O-R-N (~403,000 km2) -46% below 48-year Median (~294,000 km2)...
Thursday, September 26, 2019

Winter '19 / '20 - Arctic Oscillation (AO): AUG

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AUG AO:  -.722 Leading analog contenders ... as of AUG-19. Consensus Outlook:  Winter '19 / '20 AO < 0 KEY ENSO:  nada-...