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Southern Oscillation Index Soars In Support Of La Nina

Kansas City, November 3 (World Weather Inc.) – A strong rise in the Southern Oscillation Index (SOI) was noted during the second half of October. Rises like this that are sustainable are usually associated with the presence of La Nina and or its strengthening. Up through October the phenomenon had not developed enough to change world weather patterns, but that may begin to change now that surface pressure changes have begun in the tropical Pacific Ocean which is a byproduct of developing La Nina. The end result of this change may be a more visible worldwide influence from developing La Nina conditions, albeit they are supposed to be short-lived and confined to the next two months.

Canadian Prairies Agricultural Weather Prognosticator For November 2, 2025

Inside this edition of the Canadian Prairies Agricultural Weather Prognosticator is an update on drought across the Prairies and an updated outlook for November and the winter of 2025-26. This newsletter also includes commentary on Argentina, India, the United States and the Southern Oscillation Index. Updated soil moisture graphics for selected areas around the world are also included in this report.

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