What are teleconnections in climate science, and which example demonstrates the concept?

• A. Teleconnections are local short-term weather events confined to one region.
• B. Teleconnections are climate anomalies that are related across long distances; example: ENSO influencing global rainfall and storm tracks.
• C. Teleconnections refer to solar radiation variations at a single location.
• D. Teleconnections describe how moisture changes within a continent.

Answer: (B)

Teleconnections are climate anomalies that are linked across long distances, showing how patterns in one region can influence weather and climate elsewhere through global atmospheric and oceanic connections. The example of ENSO affecting global rainfall and storm tracks illustrates this well: fluctuations in Pacific sea-surface temperatures during El Niño or La Niña shift atmospheric circulation, altering rainfall patterns and storm activity in far-flung regions. This long-range linkage is what differentiates teleconnections from local, short-term weather or regionally contained moisture changes, or variations in solar input at a single location.