Volusia County, FL Storm Shelter Awareness

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Volusia County, FLStorm Shelter Awareness
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Study Area
Google Earth
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Volusia County

• Land Area 1,103.25 square miles
• Population
• 2000 443,343
• 2006 496,575
• Population Density
• 2000 401.9
• 2006 450.1

U.S. Census Bureau State County Quickfacts
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Map of Study Area
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Common Hazards

• 57 Hurricanes hit Florida in the 20th century

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Are you Scared? Hurricane Katrina Storm
SurgeOver a Mile Inland! Estimated at 40 ft.!
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Emergency Management

• 60 of the storm shelters are in Deltona.
• Due to highest elevation and population.
• Two Shelter Information Points (SIP)
• Residents in mobile homes are encouraged to go to
  storm shelters.
• Storm surge maps are available for different
  areas.
• Transportation is provided for citizens who
  require it.

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Existing Maps
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Questions of Interest

• Where are the areas of highest population
  density, and what is their proximity to available
  storm shelters?
• What is the service area of the shelter system
  based on drive time and distance?
• Is the shelter system adequate to serve the needs
  of the local population?
• How is this likely to change over time?

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Conceptual Model
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Base Map Model
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Network Analyst Model
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State
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County
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Road Network
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Road Network and Shelter Map
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Population Density
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Most Populous Areas and Shelter Map
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Service Area (miles)
Service Area (miles)
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Service Area (drive time)
Service Area (drive time - minutes)
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Conclusions

• Over 95 of the county is within 20 miles and 30
  minutes of the nearest storm shelter.
• 31 of 32 shelters are located within the most
  populated areas.
• Not enough shelter space for the target
  population approx. 15,518 per shelter.
• Storm shelter system likely to become
  overstressed due to growing population.
• Almost 40 of shelters likely to become obsolete
  due to proximity to coastline.

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References

• http//arcdata/esri.com/data/tiger2000/tiger_downl
  oad.cfm
• http//arcdata.esri.com/data/tiger2000/tiger_downl
  oad.cfm
• http//www.volusia.org/storm/shelter.htm
• http//volusiatip.edats.com8080/ims/volusiatip.ed
  atas.com/viewer.htm
• www.volusia.org/emergency/
• GoogleEarth
• U.S. Census Bureau State County Quickfacts

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Work Distribution

• Jordan Model building and analysis,
  presentation
• Nani Model building and analysis, presentation
• Sean Image lookup, study area data lookup,
  presentation
• Michelle Historic hazards research, presentation