La Nina

An updated winter forecast from November shows that La Niña conditions continue to emerge, shifting from the -0.4ºC sea surface temperature anomaly recorded in part of the Eastern Equatorial Pacific in September — just shy of the -0.5ºC threshold needed to reach La Niña — to anomalies between -0.5ºC and -1.0ºC, according to the OpenSnow report.

After another long, dry summer across the West, reservoirs in the region remain at record-low levels. It will take years of wet winters to climb out of drought, and La Niña conditions mean this winter is unlikely to bring one.

Predicting the weather for Colorado is a challenge - but doing it for entire seasons is even harder. According to University of Colorado, Boulder…