Download The Climate Impact Company Month 1-3 Ahead Forecast for The U.S.
Pictured: The Climate Impact Company temperature and precipitation anomaly forecast for November 2017.
October 2017: The forecast remains consistent with anomalous warmth centered on California/Nevada and Quebec while a cool anomaly in the Mid-South is a little stronger. Nationally, the month is warmer than normal. The precipitation outlook favors wet weather in the East although not as excessive in the Mid-Atlantic region as previously forecast. The Central U.S. trends drier for mid-autumn. California and the Great Basin are drier than normal while the Northwest is wetter than normal, both forecasts consistent with the previous outlook.
Pictured: The Climate Impact Company temperature and precipitation anomaly forecast for November 2017.
November 2017: Looking La Nina-like with wet weather in the East-Central U.S. and piling snows in the Upper Midwest. The North-Central/Upper Midwest snow cover encourages cold air visits from an evolving source region in West-Central Canada. The outlook is adjusted cold North and less warm West and South. The East Coast could be warmer than indicated.
Pictured: The Climate Impact Company temperature and precipitation anomaly forecast for December 2017.
December 2017: The December forecast maintains a similar theme of colder than normal Northwest to North-Central U.S. helped by above normal snow cover while the South and East, particularly the Mid-Atlantic region is warmer than normal. The Mid-South is drier than normal while the Northwest more stormy than normal. Arctic air gathers in Western Canada with an occasional path into the North-Central U.S.