Shipping Forecast excluding the header line, has a limit of 350 words—except for the 0048 broadcast, where it is increased to 380 to accommodate Trafalgar's inclusion—and has a very strict format. It begins with "And now the Shipping Forecast, issued by the Met Office on behalf of the Maritime and Coastguard Agency at xxxx today." This format is followed quite strictly, although some continuity announcers read out the actual date of issue as opposed to the word "today". This is followed by gale warnings (winds of force 8 or more on the Beaufort scale), if any (e.g., "There are warnings of gales
Met Office Reading in Berkshire, the Joint Centre for Hydro-Meteorological Research (JCHMR) site at Wallingford in Oxfordshire, and there is a Met Office presence at Army and Air Force bases within the UK and abroad (including frontline units in conflict zones). Royal Navy weather forecasts are generally provided by naval officers, not Met Office personnel. The Shipping Forecast is produced by the Met Office and broadcast on BBC Radio 4, for those traversing the seas around the British Isles. The Met Office issues Severe Weather Warnings for the United Kingdom through the National Severe Weather Warning Service (NSWWS). These warn of weather