Hurricane Tiered Evacuation Bruce Sterling Chief Regional - PowerPoint PPT Presentation

Hurricane Tiered Evacuation Bruce Sterling Chief Regional Coordinator, Region 5 Virginia Department of Emergency Management

Methodology of Determining Hurricane Risk Historical Approach • SLOSH Maximum of Maximums (MOM) for Cat 1-4 • Evacuation zones developed within each category • Zones not used to communicate evacuation message New Approach • SLOSH Maximum Envelope of Water (MEOW) for Cat 1-4 • Four evacuation zones developed – tied to storm track scenario • Citizens encouraged to familiarize themselves with their zone

Cat 2 MEOW – NE 20 MPH Cat 2 MOM Cat 2 MEOW – WNW 20 MPH

Evacuation Zone Relation to Storm Track Storm Intensity Storm Track Directional Grouping Grouping P to N NNW to WNW A B Cat 1 - 2 B C Cat 3 C D Cat 4 NE NNE N NNW NW WNW Cat 1 Cat 2 Cat 3 Cat 4

NE NNE N NNW NW WNW Cat 1 Cat 2 Populations Impacted Cat 3 Zone A – 246,946 Zone B – 304,972 Cat 4 Zone C – 407,624 Zone D – 264,708 Cumulative Totals Zone A – 246,946 Zone A +B – 551,918 Zone A +B+C – 959,452 Zone A +B+C+D– 1,224,250

Community Outreach

Questions? Bruce Sterling bruce.sterling@vdem.virginia.gov