Rapid Summary
- A recent study published in Proceedings of the National Academy of Sciences links extreme summer weather patterns, such as heat waves and floods, too planetary wave intensifications influenced by climate change.
- These atmospheric patterns – planetary waves – have seen resonance events triple over the past 70 years.
- The research suggests rapid Arctic warming (occurring four times faster than the global average) contributes to jet stream shifts and planetary wave behavior.
- Other contributing factors include contrasts between land and ocean temperature rises, strong El Niño events, tropical warming effects on atmospheric circulation, and human-caused climate change.
- Recent examples include record-breaking heat in Minneapolis (96°F) and New York City (tying a 1888 record at 96°F). Heat indices climbed above 100°F across parts of the Midwest and East Coast this week.
- Climate central’s analysis suggests human-caused climate change made recent high temperatures five times more likely in affected areas of the eastern U.S.
Read More: Scientific American Article
Indian Opinion Analysis
India is no stranger to extreme summer weather patterns,with recurring instances of heatwaves already claiming lives annually across multiple states. As global studies like this one highlight rising frequency of stalled weather systems linked to Arctic warming, India could face compounding risks from systemic changes emanating from international climatic phenomena like altered jet streams or intensified monsoons.
Rapid urbanization alongside industrial activities has exacerbated vulnerability domestically through urban heat island effects-possibly amplifying impacts similar to those observed in densely populated zones like New York City during U.S.-based heat domes.While India contributes proportionally lower emissions compared to developed nations historically driving global warming trends, adaptation must remain prioritized alongside mitigation divestments informed cross-sector simultaneously balancing rural-agriculture seasonal dependencies owed toward collateral integrity farms