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Marine weather forecasting is the process by which mariners and meteorological organizations attempt to forecast future weather conditions over the Earth 's oceans. Mariners have had rules of thumb regarding the navigation around tropical cyclones for many years, dividing a storm into halves and sailing through the normally weaker and more ...
In worldwide weather charts there are shown weather data like wind speed, air pressure (isobars), etc., each actualised two to three times per day, and with weather forecast up to three days. For each harbor there is a Meteogram with detailed wind forecasts and weather information for eight days. Available weather data for wind direction, wind ...
Robert FitzRoy. Original release. 24 August 1867 (by telegraph) The Shipping Forecast is a BBC Radio broadcast of weather reports and forecasts for the seas around the British Isles. It is produced by the Met Office and broadcast by BBC Radio 4 on behalf of the Maritime and Coastguard Agency. The forecast dates back over 150 years.
A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale of the chart, it may show depths of water (bathymetry) and heights of land (topography), natural features of the seabed, details of the coastline, navigational hazards, locations of natural and ...
Sea State 5 and 8 range. In oceanography, sea state is the general condition of the free surface on a large body of water—with respect to wind waves and swell —at a certain location and moment. A sea state is characterized by statistics, including the wave height, period, and spectrum. The sea state varies with time, as the wind and swell ...
An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
Ocean Prediction Center. The Ocean Prediction Center (OPC), established in 1995, is one of the National Centers for Environmental Prediction 's (NCEP's) original six service centers. [1] Until 2003, the name of the organization was the Marine Prediction Center. [2] Its origins are traced back to the sinking of the RMS Titanic in 1912.
Severe thunderstorm warning (SVR) – A severe thunderstorm is indicated by Doppler weather radar or sighted by Skywarn spotters or other persons, such as local law enforcement. A severe thunderstorm contains large damaging hail of 1 inch (2.5 cm) in diameter or larger, and/or damaging winds of 58 mph (93 km/h) or greater.