Rare storms have blanketed parts of Chile's Atacama Desert with snow.

The extreme weather, which also brought heavy rainfall to this arid region, has triggered damaging floods and mudflows. The unusual precipitation is unfolding against the backdrop of a strengthening El Niño, raising questions about how climate change might be influencing such rare events in historically dry areas.

Observatories were forced to shut down due to the severe weather conditions, disrupting ongoing research efforts.

The long-term vulnerability of this region to more frequent extreme weather events remains unclear. However, it is evident that infrastructure designed for a dry environment may struggle with increased precipitation and flooding.

What is the long-term climate outlook for this region?

Scientists are closely monitoring how El Niño influences rainfall patterns in traditionally arid regions like the Atacama. The potential for more frequent extreme weather events could necessitate significant changes to local infrastructure and land use planning.

The outlook suggests a need for adaptation strategies.