CONTEST STATUS - Updated: THU ... 31-OCT-19 @ 12:16 PM EDT

Winter '19 / '20 - Snowfall Forecast Contests
21st Annual 'Regular Season' Snowfall Forecast Contest
Contest starts once the flakes start a'flyin'

---
19th Annual 'Season-total' Snowfall Forecast Contest
Deadline for entries: 11:59 PM EST ... SAT ... 30-NOV-19
Verification period: 01-DEC-19 through 31-MAR-20
Details here

---
Winter '18 / '19 - Snowfall Forecast Contests
20th Annual 'Regular Season' Snowfall Forecast Contest
FINAL Results here

---
18th Annual 'Season-total' Snowfall Forecast Contest
FINAL Results HERE
Forecaster verification table HERE

Saturday, October 12, 2019

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

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

- Ridge-W Trof-E
- Hi-latitude blocking ==> AO & NAO < 0
- EPO < 0

---
Analog years for Winter '19 / '20

KEY
ENSO:  nada- (-0.5 < SSTa <  0); C- (weak La Nina); C+ (strong La Nina); W (moderate El Niño)
NAO:  sign of D-J-F average
AO:  sign of D-J-F average
PDO:  sign of O-N-D-J-F-M average


---
Weighted analog 5H composite

Weighted analog 2mT composite

No comments: