Alert history and map
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Snapshot: alerts active at the selected time.
Accumulated: all alerts up to the selected time.
Trail: alerts within the selected rolling window.
Drag the slider to move directly through alert history.
Time to shelter:
More time ≠ lower danger
Experimental insights
Historical statistical estimates only—not an official Oref warning and not emergency guidance.
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Unusual activity
Data quality
Analytics
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Total alerts—
Affected locations—
Average duration—
Most common threat—
Alerts over time
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Top affected locations
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Threat-type distribution
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Average event duration
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Repeated-alert sequences
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