• Hazards: Tornadoes
  FEMA.gov
• Hurricane Hazards: Tornadoes
  FEMA.gov
• Tornado Basics
  National Oceanic Atmospheric Administration
• Tornadoes
  Centers for Disease Control and Prevention
• Tornadoes
  U. S. Environmental Protection Agency
• Tornadoes
  Ready.gov
• Tornadoes...Nature’s Most Violent Storms
  National Oceanic Atmospheric Administration

• Are You Ready? - Tornadoes
  FEMA.gov
• Be Prepared: Tornadoes
  FEMA.gov
• NOAA Weather Radio
  National Oceanic Atmospheric Administration
• Prepare Now For Tornado Season
  American Red Cross
• Tornado Safety
  National Oceanic Atmospheric Administration

• Cleanup Safely after a Disaster
  Centers for Disease Control and Prevention
• Disaster Debris
  U. S. Environmental Protection Agency
• Hurricane/Tornado Fire Safety
  U.S. Fire Administration
• Natural Disasters: Response, Cleanup & Safety for Workers
  Centers for Disease Control and Prevention
• OSHA Resources on Disaster Recovery Hazards
  Occupational Safety and Health Administration
• Disaster Debris
  U.S. Environmental Protection Agency
• Recovering from Disaster (PDF, 4 MB)
  FEMA.gov

PubMed - Biomedical journal literature

• Hazardous Substances and Disasters
  
  • Most recent 5 years
  • Review articles
  • All articles on this topic - May retrieve large number of citations

TOXLINE - Special journal literature, technical reports and archival collections

• Tornado

MedlinePlus - Consumer health information

• Coping with Disasters
• Disaster Preparation and Recovery
• Tornadoes

• ¿Está preparado para un tornado?
  Cruz Roja Americana
• Tornados
  Centros para el Control y la Prevención de Enfermedades
• Tornados
  FEMA.gov
• Tornados
  Listo.gov

• AVMA Disaster Preparedness and Response Guide
  American Veterinary Medical Association
• Disaster Preparedness Resources
  The Humane Society of the United States
• Merck Veterinary Manual — 9th Edition Online
  Merck & Co.
• Pet Items
  Ready.gov
• Postdisaster Vaccination Guidelines (PDF, 20 KB)
  American Veterinary Medical Association
• Protect Your Pets in an Emergency
  Centers for Disease Control and Prevention