Urgent Market Messages (UMMs) contain planned and unplanned unavailability for natural gas production, consumption, transmission and storage units of any size, including their history of the last 5 years. All messages are published immediately (in UTC time format) and can be updated on an on-going basis. Planned and unplanned unavailability from the past 365 days including their entire history are displayed by default. To adjust the period displayed please use the "Period reported" or "Period concerned" filter.