In the face of escalating climate emergencies, vulnerable communities across the Southeastern United States confront a future rife with unprecedented weather extremes. Researchers at the Feinstein International Center, affiliated with Tufts University’s Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, are urging a paradigm shift in disaster preparedness strategies. Their groundbreaking research advocates for forward-looking approaches that transcend traditional reliance on historical weather patterns, acknowledging the rapidly evolving climate dynamics that render past experiences an insufficient guide for future risks.
The Southeast U.S. has long been susceptible to extreme weather events; however, according to a recent study published in the Bulletin of the American Meteorological Society, the risk factors for intense heatwaves and severe flooding are intensifying at an alarming rate. The research, backed by a NASA cooperative grant, reveals that the conventional disaster response models, which focus heavily on events that communities have encountered in previous decades, fail to anticipate the novel and more severe challenges looming on the horizon.
Central to this research is the concept that disaster planning modeled solely on historical occurrences equates to “driving forward while only looking in the rearview mirror,” as described by Erin Coughlan de Perez, principal investigator and research director at the Feinstein International Center. Many communities in the Southeast are caught in a false sense of security, preparing incrementally for slightly worse versions of past events rather than for unprecedented extremes that climate models predict will soon be the norm.
The study highlights a particularly vulnerable group of communities termed “sitting ducks.” These are populations where cumulative climate risk has escalated significantly, but tangible experience with recent severe weather events remains absent. This disconnect creates a preparedness gap — residents are less conditioned to respond swiftly and effectively to disasters they have not personally endured or witnessed in their lifetimes. This gap holds profound implications for communities’ resilience and adaptive capacities in an era of growing climate volatility.
Through detailed analyses of meteorological data spanning four decades (1981–2021), the researchers examined five counties across the Southeastern region: Montgomery County, Alabama; Yazoo County, Mississippi; Madison County, Tennessee; Warren County, Kentucky; and Terrebonne Parish, Louisiana. These counties represent both rural and urban settings, providing a comprehensive cross-section of the regional vulnerabilities. The findings underscore that each falls into the “sitting duck” category in relation to extreme heat events, having evaded significant heatwaves despite steady rising temperatures year over year.
This phenomenon, where gradual increases in temperature occur without sharp spikes that attract public attention, is problematic because it lulls communities into complacency. Incremental warming trends are less perceptible day to day, yet they increase the baseline risk of heat-related hazards over time. As a consequence, residents may underestimate the pressing threats of escalating heat extremes, which affects public health, energy demand, and infrastructure resilience.
Flooding presents a somewhat differentiated risk profile among these counties. Yazoo County distinguishes itself as a “sitting duck” due to its lack of recent experience with significant flood events, despite increasing precipitation and intensifying rainstorm patterns during the wettest months. Conversely, the other four counties fall into what the researchers describe as a “living memory” category, where recent flooding experiences remain vivid and contribute to heightened community awareness and disaster readiness. Yet even within “living memory” communities, projected future flood magnitudes and frequencies signal an urgent need for advanced planning beyond past precedents.
The researchers also delineate categories such as “fading memory” and “recent rarity” to describe communities that have witnessed relevant weather phenomena either less frequently or with long intervals since the last occurrence. The comparison to Boston’s declining incidence of extreme winter cold snaps serves as a stark reminder that shifting climate baselines redefine what constitutes ‘normal’ weather, complicating residents’ perceptions and responses to emerging threats.
Advancing beyond mere categorization, the research team proposes a robust, action-oriented framework tailored to these unique vulnerability profiles. This framework emphasizes proactive identification of at-risk populations, including those without access to air conditioning or stable housing, and recommends establishing accessible cooling centers and emergency shelters. Furthermore, it foregrounds the vital role of public education in communicating evacuation protocols and heat-related health advisories, coupled with systemic measures such as heat protections for outdoor workers and real-time communication systems to alert residents swiftly about impending hazards.
Despite the availability of such frameworks, policy implementation lags significantly. State and local governments within the Southeast region frequently lack comprehensive ordinances or actionable plans specifically addressing the heightened threats of extreme heat and flood disasters. In partnership efforts with organizations like the American Red Cross, the Tufts research team is actively contributing to the development and enhancement of localized disaster planning and resilience initiatives.
The stakes of this evolving climate reality are immense. Without anticipatory measures grounded in scientific forecasting rather than historical analogy, communities run the risk of being overwhelmed by disasters that surpass their current preparedness thresholds. The study’s integration of extensive climate modeling with sociopolitical understanding sets a new benchmark for how vulnerability and resilience must be assessed in a warming world.
Ultimately, this research shifts the conversation around disaster management from reactive to anticipatory, advocating a future-conscious approach that equips communities—not just with better plans, but with adaptable, forward-looking mindsets. As Erin Coughlan de Perez summarizes, “Our ultimate goal is to provide a framework to help all communities prepare for weather events they may not have experienced before but have a high likelihood of facing in the future,” recognizing that climate change does not merely amplify past extremes but creates new paradigms of environmental risk.
Supported by NASA’s cooperative agreement “Today’s Risk of Extreme Events,” this pioneering study makes a compelling case for revisiting fundamental assumptions in climate risk assessment and disaster planning. The intersection of atmospheric science, climatology, and social vulnerability underscores the necessity of multidisciplinary strategies to safeguard communities in an era marked by unprecedented climatic uncertainty.
Subject of Research: Climate risk assessment and disaster preparedness for unprecedented extreme weather events in vulnerable Southeastern United States communities.
Article Title: Storylines of Unprecedented Extremes in the Southeast United States
News Publication Date: 11-Mar-2025
Web References:
- Feinstein International Center, Tufts University: https://fic.tufts.edu/
- Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy: https://nutrition.tufts.edu/
- Bulletin of the American Meteorological Society (DOI): http://dx.doi.org/10.1175/BAMS-D-23-0297.1
References:
- Coughlan de Perez, E. et al., “Storylines of Unprecedented Extremes in the Southeast United States,” Bulletin of the American Meteorological Society, 2025.
Keywords: Extreme weather events, Climate change, Climatology, Weather