A National Risk Register was published by the Government on 8 August. Specific reference is made to droughts, flooding, contamination and accidents to, or attacks on, critical infrastructure, and also to the Security and Emergency Measures Direction 1998.

http://www.cabinetoffice.gov.uk/~/media/assets/www.cabinetoffice.gov.uk/publications/reports/national_risk_register/national_risk_register%20pdf.ashx