Entries by Miguel Pierre

High latitude blocking increasingly likely through November

Good afternoon! Autumn like weather is in place as we speak across much of the Northeastern United States, with relatively seasonable temperatures. Enjoy it while it lasts. It will feel much more like winter very soon, as an arctic blast is set to arrive from Friday into Saturday. Very quickly, temperatures will fall 15 to […]

ENSO Update: Weak La Nina Likely for the Winter

Good afternoon! We continue to monitor developments with La Nina this weekend, as it will one important features will be considering in our monthly and winter forecasts. Sea-surface temperatures this past week, have cooled over more of ENSO regions in the Central and Eastern Pacific, as anticipated in our last major update. The thermocline (sea-surface […]

MJO and Recurving Typhoon Leads to Volatile Pattern

Good evening, friends! Over the past few days we have discussed, at length, an upcoming wholesale pattern change across North America. As changes in the Pacific Ocean fold down into the United States, a large and stagnant ridge over the Eastern United States will gradually become replaced with a trough, arcing from the Central States to […]

Winds of change blowing as cooler risks set to return

Happy Monday! Much of the past several weeks have featured a similar synoptic weather headline across North America: Trough west, ridge east. This pattern had led to large scale above-normal temperature anomalies from the Plains eastward to the Mississippi River, exacerbated near the East Coast. But there are growing signs that this pattern will be […]