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The Texas Hazard Mitigation Package (THMP): An Internet-based GIS Data Distribution Tool Texas Geographic Society Presentation 1 of 2. Roddy Seekins. How to Use THMP to Identify risk and what to do next. THMP Map Viewers [ Internet Mapping ]. SUMMARY DATA:

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The texas hazard mitigation package thmp an internet based gis data distribution tool www thmp info l.jpg

The Texas Hazard Mitigation Package (THMP): An Internet-based GIS Data Distribution Tool

Texas Geographic Society

Presentation 1 of 2

Roddy Seekins

How to Use THMP to Identify risk

and what to do next

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THMP Map Viewers

[ Internet Mapping ]

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Number of hazard occurrences (frequency)over reported period of time,

summarized by county – and mapped into 4 classes (5 counting “0”)

  • Summary data is provided for 10 different hazards:

  • Hurricanes & Tropical Storms

  • Tornadoes

  • Floods

  • Other Storms

  • Drought

  • Outdoor Fires

  • Extreme Temperatures

  • Earthquakes

  • Hazardous Materials

  • Subsidence

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Hazard occurrences by actual location of event (if available),

hazard risk zones, and other significant data used in identification

and quantification of hazard risk

Detail data is provided for the same 10 hazard categories,

separated into Weather-related and Non Weather-related:

  • Weather-related Hazards

  • Hurricanes & Tropical Storms

  • Tornadoes

  • Floods

  • Other Storms

  • Drought

  • Outdoor Fires

  • Extreme Temperatures

  • Non Weather-related Hazards

  • Earthquakes

  • Hazardous Materials

  • Subsidence

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Reference geography to overlay with hazards

  • Base maps are provided for 6 different categories:

  • Administrative Boundaries

  • Transportation

  • Hydrography

  • Landscape

  • Population

  • Weather-base data

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THMP 1.0 Data Layers

Currently, there are 59 GIS data layers available to map online,

download or stream into your own GIS/mapping system

  • Hazards: Weather-related

  • Hurricanes & Tropical Storms

    • Hurricanes: 1851-2001

    • Tropical/Subtropical Storms: 1851-2001

    • Hurricane Tracks: 1851-2001

    • Tropical/Subtropical Storms: 1851-2001

    • Hurricane Risk Zones

    • Hurricane Evacuation Routes

  • Tornadoes

    • Tornadoes (F3-F5): 1950-2003

    • Tornadoes (F1-F5): 1950-2003

    • Tornado Risk Zones

    • Tornado Events (F3-F5): 1950-2003

    • Tornado Events (F1-F5): 1950-2003

  • 3. Floods

    • Floods: 1961-1999

    • Flood Events (Major): 1905-2001

    • Flood Events: 1993-2003

    • Flood Risk Zones

  • 4. Other Storms

    • Other Storms: 1955-2003

    • Wind Risk Zones

    • Other Storm Events: 1994-2003

  • Outdoor Fires

    • Outdoor Fires: 2000-2003

    • Outdoor Fire Risk Zones

  • Drought

    • Drought (Months): 1976-2003

    • Drought Events: 1996-2003

  • Extreme Temperatures

    • Extreme Heat (Days): 1980-2003

    • Extreme Cold (Days): 1980-2003

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Data Layer List …continued

  • Hazards: Non Weather-related

  • 8. Earthquakes

    • Earthquakes: 1882-1985

    • Earthquake Epicenters: 1882-1985

    • Earthquake Risk Zones

  • 9. Hazardous Materials

    • Hazardous Materials (All): 2004

    • Hazardous Waste Sites: 2004

    • Radioactive Waste Sites: 2004

    • Superfund Sites: 2004

    • Hazardous Cargo Routes

  • 10. Subsidence

    • Subsidence (Feet): 1918-1975

    • Subsidence Risk Zones

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Data Layer List …continued

  • Base Maps

  • Administrative Boundaries

    • U.S.

    • Mexico

    • Council of Government Districts

    • Counties

    • Cities

    • GDEM Disaster Districts

    • Parks

  • Transportation

    • Interstate Highways

    • Major Highways

  • Hydrography

    • River Basins

    • Lakes & Reservoirs (Large-scale)

    • Lakes & Reservoirs (Small-scale)

    • Rivers and Streams

    • Major Aquifers

    • Minor Aquifers

  • 4. Landscape

    • Elevation

    • Soils

  • 5. Population

    • Population (County): 2000

    • Population (Tract): 2000

    • Population (Block Group): 2000

    • Population (Block): 2000

    • Population (County): 2005 Estimate

    • Population (County): 2010 Projection

  • 6. Weather-base data

    • Average Annual Precipitation

    • Average Annual Temperature

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Other THMP Pages

  • User Resources

    • Quick Start Tutorial

    • Training

    • Support Groups

    • Presentations

  • Links

    • Reference Materials

    • Other Maps & Data

    • Real-Time Data

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Using THMP DataOutside of THMP Map Viewers

Download (data layers)

Shapefile (.shp)* format compatible with many Geographic Information Systems

ZIP file includes Metadata, user notes and other valuable info

Stream (data layers)

Internet Server connection THMP-ArcGIS

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Streaming THMP data from Map Viewers using ArcGIS:

Population (County): 2010 Estimate

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Texas Geographic Society Phase 2 of the Grant

1. Enhancing and expanding

Adding information on other Hazards

Adding Population and Property Value vulnerability maps

2. Training

Providing THMP and HAZUS courses around the state.

3. Coordination and Outreach

Supporting key organizations

Working through related organizations

Building and Umbrella Group (HAMMER-TECH)

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1. Enhancing and expanding

A. Additional/Updated Hazards

Coastal Erosion

Dam Failure

Flood Risk Zones

B. Adding Asset Vulnerability

Population Vulnerability to Hazards

Property Value Vulnerability to Hazards

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Additional Hazards: Coastal Erosion

Gulf of Mexico

Overview: part of Texas coastline

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Coastal Erosion

Zoom: Meters/Feet per year of erosion

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Additional/Updated Hazards:

Flood Risk Zones: Completing statewide coverage

80 available Counties in THMP; 174 to go!

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Hazard Risk Zone

B. Asset Vulnerability:

Vulnerability = Exposure / Hazard Risk Zone

Vulnerable areas are displayed and classified by census geography

(Block or Census Tract) where Hazard Risk Zones intersect

Exposed Assets (Population, Property Value)


(ex. Population)

THMP Data Layers:

  • Population Vulnerability (Total Pop, Total Pop Density)

  • Property Value Vulnerability (Total Property Value, Total Property Value Density)

    …for 5 Hazards [Hurricane, Floods, Tornadoes, Earthquakes, Subsidence]

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Population Vulnerability to Hurricanes

Corpus Christi Bay

Gulf of


Overview: Corpus Christi area

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Population Vulnerability to Hurricanes

Risk Zone 1

Risk Zone 2

Risk Zone 3

Several vulnerable areas; None-to-Low vulnerability in downtown area

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Population Vulnerability to Floods

Overview: Austin area

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Population Vulnerability to Floods

vulnerable area!

…may need further investigation

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  • THMP

    Provides easy-to-use, online application (free) to:

    • Identify historical hazard occurrences

      • actual hazard event locations

      • summarized by county

    • Identify hazard risk areas

    • Determine relative vulnerability (to population and property value)


    Provides a complex, desktop application (at a cost?) to:

    • Quantify the impact of a specified hazard event

      • Perform damage assessment and loss estimation analysis

        …Study case may be identified in HAZUS, pre-determined by local experts and related information or by vulnerable areas previously determined in THMP

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    What is HAZUS-MH?

    HAZUS-MH is a planning tool that estimates

    damage and losses from natural hazards

    • It is a planning tool, NOT an engineering tool

      • Engineering-level data (i.e. Hydrology & Hydraulic studies for Flood modeling) can be input to increase accuracy, but results still produce planning-level estimations

    • It estimates physical damage & economic losses

    • It assesses population needs related to emergency management

    • It allows users to compare results from different study case scenarios, including those that result from specific mitigation actions (useful for benefits analysis)

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    HAZUS-MH: Technical Components

    • Software: Custom GIS (geographic information system)

      • Runs on ESRI products; ArcGIS and Spatial Analyst

        • ESRI products must be acquired separately

          • Spatial Analyst required for Flood Model only

        • HAZUS-MH is free from FEMA <>

      • Current HAZUS-MH version (MR1) runs on ArcGIS 9.x

      • Previous HAZUS-MH version runs on ArcGIS 8.x

    • Data: National data sets

      • Inventory of assets (buildings, infrastructure, population/demographics, etc.)

        • Users may modify data sets or model factors

        • Users may add their own data

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    Applications in Mitigation Planning & Emergency Management

    Emergency Preparedness

    Response & Recovery


    Loss Reduction


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    Emergency Preparedness

    • Develop emergency response plans

      • Temporary housing

      • Debris removal

      • Emergency power and water

      • Emergency medical services

      • Evacuation/emergency route clearance

    • Organize response exercises

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    Loss Reduction (Mitigation)

    • Mitigation Assessment

      • Identify ‘at-risk’ communities

    • Mitigation Measures

      • Strengthen existing structures

      • Strengthen window/door openings and siding

    • Mitigation Programs

      • Adopt and enforce hazard-resistant building codes

      • Land use planning

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    Response and Recovery

    • Post-disaster damage assessment and ground-truthing

    • Response planning for critical transportation outages

    • Identify critical infrastructure

    • Recovery action planning

    • Long-term economic recovery planning

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    Digital Elevation Model & Stream Generation

    Ex. Travis County being prepared for Hydrologic and Hydraulic analysis

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    HAZUS-MH: Compute Hydrology & Hydraulics

    Flood area polygon (100-yr return) & Flood depth grid

    for selected stream

    This is our Study Case; same area identified in THMP

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    HAZUS-MH: Analysis

    Damage Assessment: (ex. Residential Buildings)

    Number of Residential Buildings in each Census Block

    (of Study Area) with 1 – 10% structural damage

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    Damage Assessment: (ex. Residential Buildings) Mapped

    Although damage was light (1-10%) for most residential buildings,

    many were impacted – particularly in one Census Block. The previous THMP population vulnerability map indicated this potential

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    Analysis: ex. General Building Stock / Loss Estimate

    Total economic loss can calculated for impacted area or single Census Block

    The previously identified Block totals 10,530,000 economic loss

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    HAZUS-MH: Other Notes

    • Results can be viewed & mapped many different ways

      • Including running mitigation scenarios to compare results

    • Inventory includes many different classifications of general building stock (by occupancy, by building type), essential facilities (several types), transportation systems (several types), demographics and more…

    • Local data and more sophisticated HAZUS techniques enhance the analysis

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    FEMA Resources

    • HAZUS-MH Overview

    • Resources

    • Conference Information

    • FAQs

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    2. Training

    Training courses in 2005, include:



    Custom & FEMA standardized

    Intro to GIS for THMP & HAZUS Users

    …Other FEMA-based courses (coming soon)

    Methods of delivery include:

    Instructor-led, Computer-based training

    Online Tutorials

    Demonstrations / Presentations

    Note: When appropriate, courses will coincide with other related conferences

    and training programs

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    Texas Geographic Society


    Instructor-led, Computer-based Training

    for Hazard Mitigation & Emergency Managers Professionals

    • Training Options:

    • THMP []

      • Texas Hazard Mitigation Package (THMP; pronounced “thump”) is an online mapping system from TXGS for

        displaying historical hazard occurrences, identifying relative risk areas and assessing vulnerabilities to population

        and property. THMP is also a geographic data distribution tool for other mapping/GIS systems.

      • Course is designed to introduce all people to an easy-to-use, free application

    • HAZUS

      • HAZUS-MH is a custom GIS planning tool from FEMA used for damage assessment and loss estimation from real

        or potential disasters Introductory and advanced courses focused on Flood and Hurricane modules (*ArcGIS required)

    • Intro to GIS [for THMP & HAZUS Users]

      • ArcGIS 9.0 is a geographic information system (GIS) from ESRI used for a multitude of applications, including

      • hazard mitigation and emergency response

      • Course is designed at an introductory level for THMP & HAZUS Users

    The Texas Geographic Society is pleased to announce a new Training Program aimed at professionals that need to more effectively mitigate, manage and respond to hazards using application-specific information and mapping technology. The courses are intended to be free or provided at a minimal cost.

    2005 Schedule

    Texas GIS Forum (April)

    Texas Hurricane Conference (May)

    …Stay tuned for many new training workshops held at hazard-related venues (June – Dec)

    For more information or registration, please contact the Texas Geographic Society at: [email protected] or 512-912-9695.

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    Texas Geographic Society

    Executive Director

    Roddy Seekins


    [email protected]

    Education Coordinator

    Craig Eissler


    [email protected]

    Technical Support (at TNRIS)

    Miguel Pavón


    [email protected]