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Real-time snowpack, streamflow, reservoirs, wildfires, and recreation conditions across North America — in one interactive map.

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4,600+SNOTEL sites

7,400+USGS gauges

90,000+Dams & reservoirs

{# ALERTS-IN-APP MODAL — opened from the Account dropdown's "Alerts" link. Push-notification alerts (snow / flow / buoy / ski) are managed in the iOS app because they require APNs + device tokens; the webapp has no equivalent surface, so the right thing to do is point users at the App Store. Mirrors the per-gauge #sf-cp-alerts-modal popup on recChildFlow.html. #}