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~ ! occurred at some point in the County's history. These eight (8) major hazards are: wildfire, tornado, flooding, transportation accident, hazardous material (HAZMA T) release or incident, I high wind, extreme heat, and drought. Vulnerability and Risk Assessment Worksheets were prepared for each of the eight (8) hazards defined as "major" or "substantial" in severity as well as "likely" and "highly likely" in frequency. These worksheets are included in Attachment "D" . The other (non-major) hazards identified in Table 3 have been classified as having the potential to occur within the county-wide planning area with less effect than the previously mentioned "major" hazards. One (1) hazard (urban fire) was classified as substantial and occasional for the City of San Marcos only and considered to be major and occasional for the remainder of participating communities. Five (5) hazards (chemical and biological contamination, epidemic, energy supply interruption, and water supply interruption) have been classified as major in severity but are classified as occasional or unlikely in frequency. Hazards that have been classified as "minor" or "limited" in severity include: civil disobedience and terrorism, earthquake, expansive soil, hurricane and tropical storm, landslide, sinkhole, ice and winter storm, subsidence, hail, thunderstorm, lightning strike, and poor air quality. The Hays County Mitigation Planning Committee recognizes that Hays County will continue to be exposed and be subject to both the impact of hazards described above and other hazards that may develop in the future. Furthermore, it is possible for a major disaster to occur at any time and at any place. In many cases dissemination of warning to the public and implementation of increased readiness measures may be possible. Still, some emergency I situations occur with little or no warning. The following paragraphs identify many of the hazards that Hays County may potentially encounter. Additional detailed information about specific extreme weather events is contained in Attachment "D". Information about the extreme weather events was gathered from the National Climatic Data Center, a division of the National Weather Service. The Hays County Mitigation Planning Committee and consultant, Halff Associates, Inc., completed hazard profile worksheets for each of the hazards identified in Table 3, "Hays County Hazard Rating Summary". The hazard profile worksheets identify potential severity, frequency and cascading potential for each of the hazard events. Additionally, both the risk and vulnerability to each hazard within the community is analyzed. Copies of the hazard profile worksheets, which were prepared for selected hazards, are contained in Attachment "D" . The Hays County Mitigation Planning Committee classified eight (8) hazards as Major hazards which are classified as Substantial or Major in severity and Likely or Highly Likely in frequency. These eight hazards are profiled in Sections 2.3 through 2.10. I Hays counly. Texas Mitigation Plan 39