New Hampshire Climate & Hazards Quiz
Winter storms, flooding (10 questions).
New Hampshire Climate & Hazards Quiz: Quick Study Notes
New Hampshire, with its diverse geography ranging from a short coastline to the White Mountains, faces significant climatic challenges, particularly from severe winter storms and seasonal flooding. Understanding these hazards is crucial for residents and visitors to ensure safety and preparedness. This section provides a concise overview of the key aspects of New Hampshire’s winter weather and flood risks.
Key Aspects of NH Climate Hazards
New Hampshire experiences intense winter storms, including nor’easters that bring heavy snow, strong winds, and sometimes freezing rain or sleet, leading to blizzards and ice storms.
Flooding is a recurring concern, primarily caused by rapid spring snowmelt, heavy rainfall from persistent storm systems, and occasional ice jams on major rivers.
These weather events frequently result in widespread power outages, impassable roads, infrastructure damage (bridges, roads), and agricultural losses, posing risks to life and property.
Being prepared involves having emergency kits, staying informed through official alerts, avoiding travel during severe weather, and never driving through flooded roads.
Key Takeaways
- Nor’easters are the dominant severe winter storm type, bringing heavy snow and strong winds.
- Ice storms cause significant power outages due to the accumulation of freezing rain on power lines and trees.
- Rapid snowmelt in spring, combined with heavy rains, is a primary driver of flooding in New Hampshire.
- Major rivers like the Connecticut and Merrimack are historically prone to severe flood events.
- New Hampshire’s mountainous terrain and narrow river valleys contribute to flash flood risks.
- Climate change projections indicate an increase in the frequency and intensity of extreme precipitation events, exacerbating future flood potential.
- Effective preparedness, including emergency supplies and staying informed, is vital for mitigating risks from both winter storms and flooding.
Frequently Asked Questions (FAQs)
What are the main types of winter storms in New Hampshire?
New Hampshire frequently experiences nor’easters, which are coastal storms bringing heavy snow, strong winds, and sometimes freezing rain or sleet. Blizzards and ice storms are also common, leading to significant accumulation and hazardous conditions.
Why is New Hampshire prone to flooding?
New Hampshire’s susceptibility to flooding stems from several factors, including rapid snowmelt in spring, heavy rainfall from large storm systems, ice jams on rivers, and its mountainous terrain which accelerates runoff into narrow river valleys.
How do nor’easters affect New Hampshire?
Nor’easters bring significant impacts, including heavy snowfall that can paralyze transportation, strong winds leading to power outages and downed trees, coastal flooding along its short coastline, and blizzards in mountainous regions, creating dangerous travel conditions.
What is “ice-out” and how does it relate to flooding in NH?
“Ice-out” refers to the date when a body of water, typically a lake, becomes completely free of ice after winter. While often a celebrated sign of spring, rapid ice melt can contribute to increased river flow and, in conjunction with heavy rains or ice jams, elevate flood risks in downstream areas.
What are some safety tips during a winter storm in New Hampshire?
During a winter storm, it’s advised to have an emergency kit with food, water, blankets, and flashlights. Stay indoors, avoid unnecessary travel, keep electronic devices charged, and be aware of carbon monoxide risks if using alternative heating sources. Never drive or walk through floodwaters.
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