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Two ocean phenomena strengthening at the same time are pointing to a colder and stormier winter in Florida. El Niño, developing in the Pacific, is combining with a second pattern in the Indian Ocean that could intensify storms over the southern United States.
Seasonal meteorology specialists point out that this combination is unusual. Current projections place Florida among the areas most likely to see above-normal rainfall in the coming months.
What is causing the weather change in Florida?
The El Niño phenomenon warms the waters of the tropical Pacific. When it strengthens, it usually activates the southern jet stream, which pulls moisture toward the southeastern United States.
Added to this is the Indian Ocean Dipole (IOD), which measures the temperature difference between the west and east of that ocean. According to the National Oceanic and Atmospheric Administration of the United States, a positive IOD alters global atmospheric circulation.
That combination can reinforce the path of storms toward Florida:
- Greater activity in the southern jet stream.
- More moisture is directed toward the southeastern part of the country.
- Conditions that favor above-average rainfall.
Areas under the greatest influence
The latest seasonal guide places the Gulf of Mexico and the southeastern United States, including Florida, within the area with the highest chances of a rainy winter.
How does this affect Florida residents?
The most direct impact will be a winter with more storms and heavy rain, though not continuously. The signal does not point to constant cold, but rather to a more active pattern with pauses and surges.
The cold could arrive in occasional surges when a mass of polar air coincides with an active storm. In January, such an event left snow in the Florida Panhandle, in places like Marianna, Milton, Pace, and Pensacola.
That precedent does not guarantee it will happen again. But if El Niño and the positive IOD continue strengthening into autumn, the chances of similar conditions increase. Residents can prepare by checking official forecasts and severe storm alerts.