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How web based disaster warnings should work based on experience in Black Saturday bushfires and monitoring Queensland Floods
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Disaster Warnings
My thoughts on how it should work
@rexster 14/01/11
Current Situation
• Where data is available it appears as a Flag/marker on a map
• A user cannot get granular information about whether they are subject to a direct threat and when it is expected to hit them
Black Saturday Royal Commission
• All bushfire warnings issued in Victoria must use clear language, avoid euphemisms, and contain explicit information in relation to:– the severity, location, predicted direction and
likely time of impact of bushfires on specific communities and locations; and
– the predicted severity of impact of the bushfire and whether a specific fire poses a threat to human life.
Prototype Solution
• Provide Overview• Search Based App allows user to go
granular• Show Current state and predicted state
using transparent overlays not flags or markers
• Allow user to animate over time
Application to QLD Floods
• Available data is much more granular• Flood Maps sites are showing flags and
markers so don’t allow user to identify specific threat or when it is predicted to hit
• Show data using overlays and time control