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San Francisco reviews AlertSF, sirens and WEA after recent gas leak and tsunami watch
Summary
The Department of Emergency Management briefed the Fire Commission on AlertSF (opt-in, ~90,000 users), the outdoor siren network (about 120 units), and use of wireless emergency alerts; staff defended their choices during a Jan. 23 tsunami watch and said they've applied for a $2.5M FEMA mitigation grant to expand earthquake early-warning capabilities.
The San Francisco Department of Emergency Management (DEM) told the Fire Commission on Feb. 14 that the city operates multiple alert-and-warning systems and is working to sharpen messaging after recent incidents.
"Our primary one is AlertSF," Deputy Director Mike Dayton said. "The biggest thing I think to know about AlertSF is it's completely opt in." Dayton said AlertSF reaches roughly 90,000 users in the city and is used by duty officers and incident commanders to send geographically targeted messages.
DEM explained the difference between opt-in channels and the federal Integrated Public Alert and Warning System. "Wireless emergency alerts ... we would…
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