New Hampshire is a beautiful state with a diverse climate, but with that comes the responsibility for property owners, especially rental property owners, to understand and prepare for extreme weather risks. From heavy snowstorms to increasing rainfall, the weather in NH can be unpredictable and dangerous if not properly managed. Understanding these risks is crucial to protecting your investment and ensuring tenant safety.
1. Winter Storms and Freezing Temperatures
NH is no stranger to harsh winter weather. Snowstorms, ice storms, and freezing temperatures are common between November and March. According to NOAA data, NH experiences an average of 60 inches of snow annually, with some areas receiving much more depending on elevation.
Key Risks:
Snow Accumulation: Snow buildup can lead to roof collapses or ice dams, which can cause water to leak into homes.
Frozen Pipes: Freezing temperatures increase the risk of pipes bursting, leading to flooding and expensive repairs.
Pro Tip: Insulate pipes and maintain a minimum indoor temperature during the winter months to prevent freezing. Regularly inspect roofs and clear snow to avoid damage.
2. Flooding
Flooding in NH can result from heavy rainfall, snowmelt, or river overflow. In fact, extreme precipitation has increased by over 20% in the past century. The spring thaw, combined with heavy rain, can cause rivers and streams to rise quickly, especially in low-lying areas and river valleys.
Key Risks:
Basement Flooding: Many older homes are at risk of basement flooding during heavy rains.
Property Damage: Water can damage foundations, electrical systems, and cause mold growth.
Pro Tip: Consider installing sump pumps in basements and ensure gutters and drainage systems are clear. Flood insurance is crucial, as regular homeowners insurance doesn’t cover flood damage.
3. Nor’easters
Nor’easters are powerful winter storms that affect the entire northeastern US, including NH. These storms can bring heavy snow, high winds, and coastal flooding. While coastal areas are most vulnerable, inland areas also experience significant impacts.
Key Risks:
Power Outages: High winds and heavy snow can down power lines, leaving tenants without heat or electricity for days.
Wind Damage: Strong winds can damage roofs, windows, and other structures.
Pro Tip: Invest in backup generators for essential power needs, and consider reinforcing windows and roofs for better wind resistance.
4. Hurricanes and Tropical Storms
Although hurricanes are rare in NH, tropical storms can still bring heavy rain and wind. The remnants of hurricanes from the Atlantic can cause significant flooding and wind damage, particularly in the southern parts of the state.
Key Risks:
Flooding: Heavy rains from tropical storms can lead to flash floods, especially in low-lying areas.
Wind Damage: Even as a tropical storm, winds can reach damaging speeds.
Pro Tip: Regularly check weather forecasts during hurricane season and prepare properties by securing outdoor furniture and trimming trees near structures.
5. Rising Temperatures and Climate Change
Climate change is affecting weather patterns globally, and NH is no exception. Warmer winters with heavier rainfall are becoming more common, and summers are expected to see more heat waves.
Key Risks:
Increased Rainfall: Heavier and more frequent rainstorms increase the risk of flooding.
Summer Heat waves: More intense heat waves can strain air conditioning systems and increase cooling costs.
Pro Tip: Retrofit properties with energy-efficient cooling systems and ensure that the building envelope (walls, windows, doors) is well-insulated to keep indoor temperatures stable.
6. Stormwater Management
With extreme precipitation on the rise, proper stormwater management is critical to preventing flooding and property damage. Regional planning commissions in NH, such as the Upper Valley Lake Sunapee Regional Planning Commission (UVLSRPC), are collaborating with communities to improve stormwater infrastructure.
Key Risks:
Overloaded Drainage Systems: Aging infrastructure may not be able to handle increased water flow.
Erosion: Poor drainage can lead to soil erosion, damaging landscapes and foundations.
Pro Tip: Ensure proper drainage systems are in place around your properties, including clear gutters, downspouts, and storm drains. Consider investing in green infrastructure like rain gardens to absorb excess water.
New Hampshire’s extreme weather events, from snowstorms to flooding, present real risks to property owners. By understanding these risks and taking proactive steps, you can minimize damage, protect your investment, and keep tenants safe. Regular maintenance, adequate insurance, and a solid emergency plan are key to weathering NH's storms.
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