Over the weekend, a storm hit the Northeast, causing an extraordinary amount of rainfall in two locations on the same night, a rare occurrence that is expected once in a thousand years. The storm resulted in at least three fatalities and widespread flooding. In areas like Oxford and Southbury, Connecticut, 10 inches of rain fell in a span of 12 hours on Sunday. Similarly, Stony Brook, New York, received about 6.7 inches of rain in just three hours Sunday night. The likelihood of both events taking place in any given year is approximately 0.1%. According to federal rainfall probability data, these incidents are significant and not a common occurrence.
Nick Basile, the director of the State Weather Risk Communication Center at the University at Albany in New York, mentioned that experiencing extreme rainfall levels in two different areas in such close succession is noteworthy. While it is challenging to determine the direct impact of climate change on specific events, experts suggest that the combination of extreme rainfall events supports a broader trend in the Northeast, where intense storms are becoming more frequent.
Mark Wysocki, a retired New York state meteorologist, explained that thunderstorms are now producing heavier amounts of rainfall compared to the past. The Northeast has witnessed a considerable rise in extreme precipitation, with the 2023 National Climate Assessment reporting a steep increase in the number of events with significant rainfall.
The impact of climate change on the behavior of the jet stream may be contributing to the prolonged presence of storms in certain areas, bringing in more moisture and causing heavier rainfall. However, researchers are still in the early stages of studying this phenomenon, making it challenging to draw definitive conclusions.
With infrastructure not designed to handle such intense rainfall, cities in the Northeast face significant challenges during severe weather events. Flash flooding becomes a major concern, prompting calls for better urban planning and infrastructure upgrades.
In Connecticut, tragic deaths occurred as a result of the storm, with two individuals swept away by floodwaters and another person killed by a fallen tree. The storm led to evacuations, water rescues, and disruptions in transportation. Connecticut Gov. Ned Lamont announced the prolonged closure of more than a dozen roads in the aftermath of the storm.
Source: www.nbcnews.com
