City risk score
Historical exposure snapshot
Port Royal, SC
44
/ 100
Severe
City snapshot
Port Royal, SC
Overall moderate risk (44/100)
Overall score
44/100
moderate
Powered by NOAA, NHC, FEMA, USGS, and NSSL data. Updated every 5–40 minutes in the full product. Demo content only — not for official warning decisions.
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Historical Risk factors
Historical hazards around Port Royal
Hurricane
81
/ 100
Hurricane impact blend of wind, surge, and flooding; surge adds extra weight when available.
Flooding
92
/ 100
FEMA NFHL flood zones: 18 features intersect this tile.
Wind / Roof
45
/ 100
Wind exposure derived from ingested design wind / climatology tiles.
Storm Surge
99
/ 100
Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Air Quality / AQI
19
/ 100
Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lightning
61
/ 100
Lightning exposure derived from ingested climatology tiles.
Wildfire
10
/ 100
Wildfire exposure derived from ingested fire potential tiles.
Tornado
4
/ 100
Tornado risk derived from NOAA SPC historical reports.
Hail
22
/ 100
Hail risk derived from NOAA SPC historical reports.
Learn the risk in Port Royal
Flood zones 101: how to read FEMA maps
Decode NFHL zones, base flood elevation, and where the boundary lines matter most.
Wind speed and roof damage
See how 60-120 mph gusts translate into shingle loss, window risk, and outages.
Storm surge vs flooding
Understand how coastal surge differs from inland rainfall flooding.
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RiskIQ network
Related risk context for Port Royal, SC
These links focus on the most relevant connected risk topics for this location.