Natural Disaster Risk — ZIP Code 21862
Showell, Maryland
Risk Summary for ZIP 21862
ZIP 21862 scores 7.5/10 (High risk), above the U.S. average of 4.5. The leading hazard is Extreme Heat.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: ZIP 21862, Maryland
Located along the mid-Atlantic coast, ZIP 21862 serves the Showell community. The humid subtropical climate of this part of Maryland — bringing warm summers, mild winters, and coastal storm exposure — directly shapes the hazard exposure for properties in this postal area.
ZIP 21862's overall natural disaster risk is rated 7.5/10 (High) by FEMA's National Risk Index. Heat wave risk stands out as the primary natural hazard here, with above-average summer temperatures amplified by urban heat island effects in developed areas. Secondary hazards include winter and cold wave.
Relative to other U.S. communities, ZIP 21862's natural disaster risk is well above the U.S. national average of 4.5/10, slightly above the 6.5/10 state average. The hazard distribution here is led by heat and winter, as measured by FEMA across Maryland. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
ZIP 21862's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.
What this means for ZIP 21862: Extreme Heat preparedness
- Check on elderly neighbors and never leave children or pets in parked vehicles.
- Stay hydrated and limit outdoor activity during the hottest hours when heat advisories are issued.
- Ensure reliable air conditioning and identify nearby cooling centers for extreme heat days.
Risk for the surrounding area
Local Factors for ZIP 21862
These city-level factors differentiate ZIP 21862 from other communities in Maryland County and provide geographic context for its hazard exposure.
Population
30
RuralGeographic Zone
Atlantic Coast
Hurricane, nor'easter & coastal flood risk
Climate Band
Moderate Continental
Latitude 38.4°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 3.4/10
Coordinates
38.3972° N, 75.2151° W
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for ZIP 21862
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
Nearby ZIP codes
Other cities in Maryland
Data source: FEMA National Risk Index (NRI). County-level data applied to ZIP codes within each county. Scores are normalized to 1–10 across all US counties. This information is for general awareness only — consult official emergency management resources and a licensed insurer for property-specific advice.