LATE NOVEMBER and EARLY DECEMBER SUMMARY

Unlike last month, I wasn’t able to put together a plain language forecast. I apologize for that, but please bear with me as I have tried to explain some of the more technical terms below. • (ECMWF time-longitude Hovmöller)   Strong Rossby wave flow is...

Dissonant Weather: October

OCTOBER FORECAST Hey folks, I’m doing things slightly different this month. Due to a complex transition into Autumn, and for other reasons, I’m composing a more technical, extensive summary and polar vortex forecast, while adding some speculative thoughts...

September Forecast

EARLY AUTUMN SUMMARY By and large, the first half of October has done almost a complete 180° turn towards Autumn weather in just two days, and a series of fairly moderate storm systems this week could help seal the deal. Starting this weekend, a blocking pattern of...

August Forecast

EARLY AUTUMN SUMMARY A counterpart south of Asia to the El Niño-Southern Oscillation (ENSO), in the Pacific, is called the Indian Ocean dipole (IOD). That oscillation can have an outsized effect on our weather in North America and beyond, at times. In tandem with...

Dissonant Weather- Summer 2025

MAY–AUGUST SUMMARY (mostly somewhat technical) I apologize for not posting a forecast last month. I was busy after June 16 preparing for a big conference and also had some ongoing personal struggles. One glance at this first chart should tell you there’s a lot...