Portsmouth faces coastal storm, flooding, and hurricane related threats along a strategic seacoast and naval corridor.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 7 / 10 High |
| Primary Hazard | Coastal Storm / Flooding / Hurricane |
| FEMA Flood Zone | High |
| County FEMA Declarations | 7 |
| Last Major Event | 2017 Nor'easter |
// Emergency Information
| Emergency Phone | 603-431-2000 |
| Evacuation Routes | I-95 NH-101 US-1 NH-107 |
| Elevation | 20 ft above sea level |
// County Risk Profile
Rockingham County NH
New Hampshire · Hurricane / Nuclear Proximity
View full county emergency preparedness profile →
7/10
High Risk
// Other Cities in Rockingham County NH
Hampton NH
Nuclear EPZ / Coastal Storm Surge
8/10
High
Seabrook NH
Nuclear Power Plant / Storm Surge
9/10
Critical
Newmarket NH
Coastal / Nuclear Proximity
5/10
Moderate
Plaistow NH
Nuclear Proximity / Winter Storm
5/10
Moderate
Exeter NH
Nuclear Proximity / Coastal Storm
6/10
Moderate
Salem NH
Noreaster / Ice Storm / Flooding
4/10
Low
// Nearby Infrastructure Risks
Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.