Portsmouth, Virginia, located in the Hampton Roads area, faces a relatively moderate risk of natural disasters and climate hazards. The region's proximity to the Atlantic Ocean makes it vulnerable to tropical storms and hurricanes, which can bring heavy rainfall and strong winds. The low-lying terrain of Portsmouth also increases the risk of flooding, especially during storm surges. Additionally, the city's coastal location exposes it to potential sea-level rise due to climate change, further increasing the risk of flooding.
The geological features of Portsmouth, including its location along the James River and its proximity to the Lower Chesapeake Bay, contribute to the area's hazard risk. The city's position within the Mid-Atlantic region exposes it to seismic activity from nearby fault lines, although the risk is relatively low compared to other areas. The presence of marshlands and wetlands in the region also plays a role in mitigating flood risks by absorbing excess water during storms. However, the combination of coastal vulnerability, flat terrain, and geological factors makes Portsmouth susceptible to a range of natural disasters, necessitating proper preparedness and mitigation measures.
Despite its relatively moderate hazard risk, Portsmouth has a history of notable weather events, including severe storms and flooding. The city's population of nearly 100,000 residents further emphasizes the importance of disaster preparedness and resilience efforts. Additionally, the presence of key infrastructure such as the Norfolk International Airport and the Portsmouth Marine Terminal adds to the criticality of ensuring the city's resilience to climate and natural disaster risks. Overall, Portsmouth's unique geographical and climatic factors underscore the need for proactive risk management strategies to protect the community and infrastructure from potential hazards.
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Chesapeake, Virginia faces a relatively moderate overall risk score of 90.58, with a specific risk rating falling under relatively moderate at 98.50. The area is susceptible to various natural disasters, with hail events occurring 53 times on average, leading to an annual loss of $52,692.94. Additionally, hurricanes have been recorded 35 times on average, resulting in an annual loss of $37,610,252.96. The city also experiences frequent lightning events, with an average of 1,586 occurrences, causing an annual loss of $522,829.87.
Chesapeake's geographical features contribute to its hazard risk, with coastlines along the Atlantic Ocean exposing the area to hurricanes and storm surges. The city's proximity to water bodies such as the Elizabeth River and Lake Drummond heightens flood risks during heavy rainfall and hurricanes. Fault lines and mountain peaks in the region also play a role in seismic activity and landslides, with an average of 27 flood events occurring ...
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