The IRS has the following disaster kits available through irs.gov:
Publication 2194 (PDF), Disaster Losses Kit for Individuals
Publication 2194-B (PDF), Disaster Losses Kit for Businesses contain tax forms and publications that assist the taxpayer to claim a casualty loss on property that was destroyed by a natural disaster.
When a Presidentially declared disaster occurs in predominately farm areas, Publication 225 (PDF), Farmers Tax Guide should also be made available.
The kit for individuals contains Publication 584 (PDF), Casualty, Disaster or Theft Loss Workbook (Personal Use Property) and the business kit contains Publication 584-B (PDF), Business Casualty, Disaster, or Theft Loss Workbook. Both are useful tools that can help the taxpayer compile a list of all personal and non-real estate items that were lost in the disaster.
Publication 1600 (PDF), Disaster Losses-Help from the IRS, is a tri-fold document that gives a brief description of the disaster relief and services available to disaster victims from the IRS. Publication 1600(SP) (PDF) is the Spanish language version of this document.