INDICES



Arctic Oscillation



AO+ Geopotential Heights Anomalies AO+ Temperatures Anomalies

AO- Geopotential Heights Anomalies AO- Temperatures Anomalies
Courtesy of State Climate Office of North Carolina

NCEP AO forecast

YUKON TERRITORY

AO+ = colder than normal
AO- = warmer than normal



Pacific Oscillation



PNA+ Geopotential Heights Anomalies PNA+ Temperatures Anomalies

PNA- Geopotential Heights Anomalies PNA- Temperatures Anomalies
Courtesy of State Climate Office of North Carolina

Current PNA forecast

YUKON TERRITORY

PNA- = colder than normal
PNA+ = warmer than normal