RONI (Relative Oceanic Nino Index) And Possible Surface Temperature Outcomes In North America For SON 2026; Sunday, August 16, 2026

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Larry Cosgrove

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Aug 16, 2026, 12:51:27 AM (yesterday) Aug 16
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To calculate possible weather outcomes using these analogs:

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Climate Plotting And Analysis Tools


Relative Oceanic Nino Index Derived Analogs For SON:


1957, 1965, 1972, 1976, 1997, 2015

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ENSO 3.4 Forecasts

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CFS

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ECMWF

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IRI



Synoptic Analogs For SON:

1971, 1976, 1994, 2005, 2025

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ENSO 3.4 Sector Temperature Anomaly Measure

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Global Sea Surface Temperature Anomaly

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Global Sea Surface Temperature Change



SON 2m Temperature Forecasts

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ECMWF 2m Temperature Anomaly SON Trimester

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CFS SON 2026 Temperature Anomaly Forecast

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CFS September 2026 Temperature Anomaly Forecast

RONI.jpg
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