Halliwell
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M
Regions
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Regions

Coordinated global services supported by experienced professionals across key markets.

Insights
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Insights

Expert analysis, industry perspectives, and technical guidance on emerging risks and complex loss trends.

About
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About

Learn about who we are: our culture, careers, community engagement, and global presence.

GIS/Forensic Meteorology

A Seamless Extension of Your Team

Make informed decisions with confidence using our comprehensive GIS and Forensic Meteorology services. We transform complex weather data into actionable intelligence, providing you with site-specific clarity on natural disasters—from hurricanes and flooding to hail and severe storms. By integrating vast nationwide data with expert research, we deliver the precise maps and forensic analysis you need for origin and cause assessments, damage causation, flood zone determinations, and more. Whether you are navigating tropical storm surge or assessing localized lightning impact, our specialized reporting provides the geographic and atmospheric certainty required to mitigate risk and validate claims.

Our GIS Experts Deliver:

  • GIS Analysis and Web-based GIS Development
  • Cartography/Mapping Support
  • 3D Modeling and Visualization
  • FEMA Flood Zone Determinations
  • Storm Surge/Flood Inundation Analysis
  • Wind vs. Storm Surge/Wave Damage Analysis
  • Earthquake Monitoring and Mapping
  • Power Outage Analysis
  • Tornado Damage Analysis
  • Hailstorm Damage Investigations
  • Pre- and Post-Event Comparisons
  • Origin and Cause Damage Analysis
  • High Resolution Mapping of Portfolios
  • Boundaries, Surveys, Infrastructure Mapping
  • Contours, Elevation Mapping
  • Weather Forces/Perils Mapping

  • PostEvent Early/Initial Damage Assessments:
    • Portfolio of Properties in the Impacted Areas
    • GeoCoding/Mapping of All Properties
    • Exposure Analysis of All Perils
    • Severity/Metrics of Perils at Each Location
    • Composite Analysis of Perils/Damage

Our Forensic Meteorologists Deliver:

  • Meteorological Forensics & Analysis
  • Hurricane/Tropical Storm Post-event Data
  • Storm Surge Analysis including height and timing
  • Gradient wind speeds
  • Storm tides
  • Dynamic breaking waves
  • Flood Inundation
  • Timing analysis of different perils
  • Snow & Ice Storm Analysis
  • Hailstorms:
    • Dual polarization radar analysis
    • Maximum estimated hail size (MEHS) analysis
    • Maximum hail size/timing analysis exact locations
    • Wind speed/direction
    • Past hailstorm report

  • Flooding:
    • Inundation mapping
    • Flood depths vs. locations
    • Ground contours/elevation mapping