Nassau County on Long Island adjacent to Queens is one of the most densely populated counties in the United States. Hurricane Sandy in 2012 caused catastrophic storm surge flooding across Nassau County's south shore communities destroying thousands of homes. The county faces ongoing sea level rise and coastal flooding risk. Mitchell Field hosts a major Nassau County emergency operations complex. Long Beach and other barrier island communities face extreme storm surge vulnerability.
// 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 | 6 / 10 Moderate Risk |
| Primary Hazard | Hurricane / Storm Surge |
| Secondary Hazard | Nor'easter |
| FEMA Flood Zone | High |
| Federally Declared Disasters | 7 |
| Last Major Event | Sandy 2012 |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (516) 573-7000 |
| Emergency Shelters | 22 designated facilities |
| Evacuation Routes | I-495 I-678 NY-27 NY-25 |
// County Profile
| County | Nassau County NY |
| State | New York (NY) |
| Population | 1 |
| Area | 287 sq miles |
| FEMA Region | High |
// Major Cities
// Cities in This County
// Other New York Counties
Queens County NY
Hurricane / Storm Surge
8/10
High
Suffolk County NY
Hurricane / Storm Surge
8/10
High
New York County NY
Hurricane / Storm Surge
7/10
High
Kings County NY
Hurricane / Storm Surge
7/10
High
Westchester County NY
Nuclear Proximity / Flash Flooding
7/10
High
Bronx County NY
Hurricane / Storm Surge
7/10
Moderate