11/14/2018, 7:41 pm EST

Rare for 2018: An Emerging Negative North Atlantic Oscillation

Except for March every month of 2018 so far has produced an exceptional positive phase of the North Atlantic oscillation. Implied is residence of a strong polar vortex in the higher latitudes biased toward northeast Canada and Greenland much of this year. That pattern is about to change abruptly as a high latitide/high pressure ridge evolves over Greenland which will affect northern hemisphere mid-latitude climate the last third of November.
11/10/2018, 8:58 am EST

Where’s El Nino?

El Nino warming of the East Pacific is with us but the atmosphere is not reacting. The result? Near-record snow cover across North America and an incoming cold U.S. pattern. Why is the coupling of the atmosphere to El Nino warming NOT occurring?
11/04/2018, 5:40 pm EST

Madden Julian Oscillation Causes Severe Intensity of Italy Storm

An intra-seasonal migrating tropical feature known as the Madden Julian oscillation representative of a massive area of tropical thunderstorm activity was tapped by a low pressure system south of France on November 2 making the attendant storm much stronger and causing widespread damage including 17 deaths across Italy.
11/03/2018, 1:53 pm EST

NOAA Forecasts An El Nino Climate By Second Half of November – But Will it Happen?

An El Nino climate should develop shortly as announcements on El Nino onset are expected from NOAA shortly. But will the El Nino climate unfold later this month as NOAA indicates?