hurricane storm surge vulnerability
play

Hurricane Storm Surge Vulnerability Bob Humple Assistant Director - PowerPoint PPT Presentation

Hurricane Storm Surge Vulnerability Bob Humple Assistant Director Broward County Emergency Management Division The Hazards of a Hurricane 1. Wind 2. Rainfall and Flooding 3. Storm Surge* 4. Tornadoes * Storm Surge kills more people than


  1. Hurricane Storm Surge Vulnerability Bob Humple Assistant Director Broward County Emergency Management Division

  2. The Hazards of a Hurricane 1. Wind 2. Rainfall and Flooding 3. Storm Surge* 4. Tornadoes * Storm Surge kills more people than any other hurricane peril

  3. Factors Affecting Storm Surge • Intensity • Central pressure • Forward speed • Size • Angle of approach • Width and slope of continental shelf • Local coastal features

  4. Storm Surge vs Storm Tide

  5. Top 5 Most Vulnerable U.S. Cities • Tampa/St. Petersburg • Miami • New Orleans • Norfolk/ Virginia Beach • Houston/Galveston

  6. Katrina 2005

  7. Storm Surge Modeling

  8. SLOSH Model

  9. State-Wide Regional Evacuation Study

  10. State-Wide Regional Evacuation Study

  11. Evacuation Zones

  12. Base Scenarios

  13. Clearance Times

  14. Watches and Warnings • Tropical Storm Watch – Tropical Storm conditions are possible within 48 hours. • Tropical Storm Warning – Tropical Storm conditions are expected within 36 hours. • Hurricane Watch – Hurricane Conditions are possible and the watch is issued 48 hours in advance of the anticipated onset of tropical storm-force winds. • Hurricane Warning – Hurricane Conditions are expected and the warning is issued 36 hours in advance of the anticipated onset of tropical storm- force winds.

  15. P-Surge (probabilistic)

  16. Storm Action Lead Time (Salt)

  17. Questions Questions? Br Browar oward County d County Emergency Mana Emergency Management Division gement Division (954) (95 4) 83 831-3900 3900 Bob Bob H Hump umple le rhu rhumple@bro mple@broward.org ward.org (95 (954) 4) 83 831-3919 3919 www www.bro .broward ward.org .org/eme /emerge rgenc ncy ww www. w.bro broward.org/hu ward.org/hurri rrica cane ne

Recommend


More recommend