Complete flash flood information for Merrimack County, New Hampshire - from real-time warnings to historical data and comprehensive statistics dating back to 1996.
Gathering historical flood records and generating statistics for Merrimack County...
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Complete flash flood information for Merrimack County, New Hampshire - from real-time warnings to historical data and comprehensive statistics dating back to 1996.
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Comprehensive database of flood events in Merrimack, New Hampshire recorded since 1996 through the end of 2024(107 total records)
Total Floods
107
Total Deaths
0
Total Injuries
0
Property Damage
$9.5M
Flash Floods
29
Flood Events
78
Detailed charts and visualizations revealing flood patterns by type, seasonality, and impact. These analytics show historical trends and unique characteristics of flood activity in this region.
Shows flood frequency across different months of the year, highlighting seasonal patterns. This information helps identify peak flood seasons and periods of heightened risk.
Summary: In MERRIMACK, New Hampshire, April is the most active month with 19 flood events (18% of all recorded events). There is a more distributed pattern throughout the year, with April, July, March showing slightly higher activity (42% combined).
Tracks flood occurrences and impacts over time, revealing long-term patterns and significant events. Toggle the metrics below to customize your view.
Visualizes the financial impact of floods across years using a square root scale. This approach ensures both major damage events and smaller impacts are visible on the same chart.
Shows the breakdown between Flash Floods and regular Flood events. Flash floods are typically more dangerous due to their rapid onset.
Summary: In MERRIMACK, New Hampshire, Flood events are more common, representing 73% of all flood events. Flash floods typically pose greater immediate danger due to their rapid development and higher water velocities.
Comprehensive chronological list of all flood events with detailed information on each occurrence. View specifics about type, damage, casualties, and timing for individual flood events.