![]() ![]() Media and Commercial Availability of Sea Area Forecasts mean of 22 knots) are expected up to 10 Nautical miles offshore. Small Craft Warnings are issued if winds of Beaufort Force 6 (min. Violent Storm Force Warnings are issued if Beaufort Force 11 or frequent gusts of at least 69 knots are expected, a Status Red Marine (Gale) warning will be issued. Hurricane Force Warnings are issued if winds of greater than 64 knots are expected. Storm Force Warnings are issued if Beaufort Force 10 or frequent gusts of at least 61 knots are expected, a Status Orange Marine (Gale) warning will be issued. Gale Warnings are issued if winds of Beaufort Force 8 are expected, a Status Yellow Marine (Gale) warning will be issued. Strong Gale Warnings are issued if winds of Beaufort Force 9 or frequent gusts of at least 52 knots are expected. Gale warnings are issued by Met Éireann for Irish coastal waters, which are regarded as extending 30 miles out from the coastline, and the Irish Sea or part thereof. The highest wave of all will have a height about twice the significant height. Individual waves in the wave train will have heights in excess of the significant height. (It is very close to the value of wave height given when making visual observations of wave height.) Sea State (Descriptive) The Significant wave height is defined as the average height of the highest one-third of the waves. The table below gives a description of the wave system associated with a range of Significant Wave heights. ![]() The wave height is the vertical distance between the crest and the preceding or following trough.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |