CBRN incident management

Chemical Meteorology (CHEMET)

CHEMET can be used to track the dispersion of a chemical release. Telephone advice is available on demand which will give a simple short-range prediction of the anticipated behaviour of the plume. CHEMET is accessed through Hazard Manager, our online portal for Cat 1 & 2 emergency responders.

Read more about CHEMET including a case study about how we helped during the Buncefield oil depot fire in 2005.


FireMet is a weather system designed to provide fire and rescue service (FRS) responders with the latest weather information to help them identify a safe approach when dealing with a major incident.

Developed in collaboration with the Department for Communities and Local Government (DCLG), FireMet is a password-protected, web-based system available to all FRS Incident Command Units and mobilising centres, as well as the National Coordination Centre. This system is available through Hazard Manager and is for fire service personnel only.

Fire Severity Index

We work with Natural England and the Countryside Council for Wales to help them prepare against fire threat with the Met Office Fire Severity Index. The index provides an assessment of the current day's fire severity and a forecast of the fire severity over the coming five days.

Procedures And Communications in the event of a release of Radioactive Material (PACRAM)

PACRAM is a comprehensive service that provides predictions of the trajectory of possible contamination plumes and streamlines our response to any potential incident at a UK nuclear power plant. The service allows the nuclear industry and overseeing government bodies to access the atmospheric dispersion predictions which come from our dispersion model.

We also offer stand-alone computer programs to industry which enable them to make immediate forecasts of where accidental emissions may go. This helps significantly in handling accidents on-site, and providing the workforce with vital safety information.

The national radiation monitoring network and emergency response system (RIMNET)

Following the world's worst nuclear disaster, the Chernobyl accident in 1986, the UK Government developed a National Response Plan to ensure that any future similar emergency could be effectively managed. The National Response Plan was, and remains, a multi departmental and agency response plan, with the now Department for Energy and Climate Change (DECC) as nominated Lead Government Department for overseas nuclear response.

RIMNET lies at the heart of the National Response Plan and over the years has developed - both as a multi-purpose response tool and as a platform for the effective coordination of emergency response. RIMNET now supports the UK response to any radiological event and has the potential to be used in non-radiological events.

RIMNET is managed by the Met Office, working in partnership with DECC and Defra on behalf of all government departments and agencies who would be involved in a radiological/nuclear incident, including those leading on non-overseas nuclear events.

RIMNET has a network of 94 fixed gamma dose rate monitoring sites across the UK, automatically measuring, analysing and informing on background radiation levels 24/7. All measurement and reference data is stored in the UK National Nuclear Database.

For more information about our services for Government, please email us or contact our Weather Desk.