City risk score
Historical exposure snapshot
Half Moon Bay, CA
15
/ 100
Moderate
City snapshot
Half Moon Bay, CA
Overall low risk (15/100)
Overall score
15/100
low
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 Half Moon Bay
Flooding
47
/ 100
FEMA NFHL flood zones: 8 features intersect this tile.
Wind / Roof
1
/ 100
Wind exposure derived from ingested design wind / climatology tiles.
Air Quality / AQI
14
/ 100
Air quality signal derived from the latest EPA AirNow combined AQI grid.
Wildfire
13
/ 100
Wildfire exposure derived from ingested fire potential tiles.
Tornado
4
/ 100
Tornado risk derived from NOAA SPC historical reports.
Hail
8
/ 100
Hail risk derived from NOAA SPC historical reports.
Learn the risk in Half Moon Bay
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 Half Moon Bay, CA
These links focus on the most relevant connected risk topics for this location.