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Southwest gale 8 to storm 10, veering west, severe gale 9 to violent storm 11. Rain, then squally showers. Poor, becoming moderate." "Southeast Iceland. Northerly 7 to severe gale 9. Heavy snow showers. Good, becoming poor in showers. Moderate icing." On 10 January 1993, during the Braer Storm, a record North Atlantic low pressure of 914 mb was ...
Embedded in these high seas areas are smaller offshore zones off the Atlantic and Pacific coasts. These zones extend from near the coast seaward to just beyond the U.S. Exclusive Economic Zones, out to about 250 nautical miles (460 km). OPC services ensure the safety of the extensive commercial and recreational fishing, boating, and shipping ...
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 ...
NOAA Weather Radio (NWR), also known as NOAA Weather Radio All Hazards, is an automated 24-hour network of VHF FM weather radio stations in the United States which broadcast weather information directly from a nearby National Weather Service office. Its routine programming cycle includes local or regional weather forecasts, synopsis, climate ...
MAFOR, an abbreviation of MArine FORecast, is a North American code used in the transmission of marine weather forecasts to compress a volume of meteorological and marine information into shorter code for convenience during radio broadcasting. The MAFOR forecast usually supplies the period of validity for the forecast, future wind speed and ...
Marine dense fog advisory MWS – Widespread dense fog reducing visibility to less than 1 mile (1,600 m) covering more than half the area of a marine zone is expected for at least two hours over a 12-hour period, creating hazardous navigation conditions for boaters and other marine vessels. Marine weather statement MWS – The equivalent of a ...
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A weather window occurs when weather forecasts indicate that a given set of marine operations or offshore construction activities can be performed within their maximum limits for wave height, wind speeds etc. Critical elements for offshore operations are use of time and expected weather.