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Study Area Statistics

Study Counties:Cleveland + Oklahoma
Existing Sirens:261
Dead Zone Area:2,236 km²
Dead Zone Polygons:486
Pop. in Dead Zones:246,150
% of Total Pop.:27.1%
Mobile Homes in DZ:6,349
Elderly (65+) in DZ:39,407
Tornado Tracks (30 yr):126
Proposed Sirens (N=5):5
Coverage w/ 5 New:+21.9%

Data: W5NOR, NOAA SPC, Census ACS 2022, USGS 3DEP

Legend

Sirens
Existing Sirens
70 dB Coverage Ring
Proposed Sirens (N=5)
Hazard
Dead Zone (<70 dB)
Tornado Tracks
Vulnerability (SGVS)
Very Low
Low
Moderate
High
Very High