According to an updated government outlook, La Niña is expected to develop in the coming months, potentially affecting the remainder of the 2024 Atlantic hurricane season and the following winter. Current conditions indicate a neutral phase, with neither El Niño nor La Niña in effect since June.

Sea-surface temperature analysis reveals a mixture of cooler and warmer waters in the equatorial Pacific Ocean compared to the average. However, forecasts indicate a gradual cooling of water temperatures in the coming months, meeting the threshold for La Niña conditions. In anticipation of its likely development, the National Oceanic and Atmospheric Administration (NOAA) has issued a La Niña watch, with a 70% chance of its emergence between August and October.

Although earlier expectations pointed towards an earlier onset, the most recent forecast guidance suggests that La Niña's emergence will likely be delayed, occurring between September and November. Furthermore, there is a 79% chance that La Niña will persist into late fall and winter, impacting weather patterns worldwide.

The cooling effect of La Niña on the equatorial Pacific waters can have far-reaching implications, including the potential for an active Atlantic hurricane season. Colorado State University's updated forecast predicts 25 named storms, which is two more than their previous outlook. This count includes the three storms that have already formed - Alberto, Beryl, and Chris - emphasizing the potential for increased tropical activity.

Additionally, the transition to La Niña may result in varying winter conditions across different regions. The South can expect warmer and drier conditions, while the Northern Plains may experience colder temperatures. The Pacific Northwest, on the other hand, could see a wetter winter.

It is worth noting that a La Niña often follows a strong El Niño event, as has been observed over half of the time. NOAA's Tom Di Liberto highlighted that five out of the eight significant El Niños since 1950 were quickly followed by a La Niña.

As the development of La Niña looms, meteorologists urge individuals to stay updated on changing weather patterns and potential impacts.