Winter temperature
High confidence
Often milder
Winter
El Niño winters more often bring milder-than-average conditions across the northern U.S. and western Canada.
Northern contiguous U.S. / western Canada (milder winters)
Regional historical composite · not a forecast
Historical pattern
Nawinter: milder than normal across northern states and western Canada; enhanced marine air; reduced northerly cold flow. Warm_impacts: warm air into western Canada, Alaska, and extreme northern contiguous U.S.
Season context: Winter
What El Niño seasons often mean in this region
Atlas composites for this region: not a city forecast.
Winter storminess (north)
High confidence
Often less stormy
Winter
Less stormy conditions across the northern part of the country as the storm track shifts south.
Sources
- CPC nawinter
- CPC warm_impacts