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Swordfish feed daily, most often at night, when they rise to surface and near-surface waters in search of smaller fish. During the day, they commonly occur to depths of 550 m (1,800 ft; 300 fathoms) and have exceptionally been recorded as deep as 2,878 m (9,442 ft; 1,574 fathoms). [ 3 ]
The National Weather Service issues a storm warning for higher winds of 48 knots (89 km/h; 55 mph) to 63 knots (117 km/h; 72 mph) at sea. In the event of a tropical cyclone, however, a tropical storm warning replaces both the gale warning and the storm warning. In this type of situation, the storm warning maritime flag is also used in lieu of ...
Some particular types of migration are anadromous, in which adult fish live in the sea and migrate into fresh water to spawn; and catadromous, in which adult fish live in fresh water and migrate into salt water to spawn. [2] Marine forage fish often make large migrations between their spawning, feeding and nursery grounds. Their movements are ...
A gale watch is issued by the National Weather Service of the United States when there is an increased risk for a gale-force wind event, meaning sustained surface winds, or frequent gusts, of 34 to 47 knots (39 to 54 mph; 63 to 87 km/h), but the occurrence, location, and/or timing of the event is still uncertain.
A coastal flood warning is an hazardous weather statement issued by the Weather Forecast Offices of the National Weather Service in the United States which indicates coastal flooding is either imminent or occurring along the coast of the Atlantic Ocean, Pacific Ocean, Arctic Ocean, or the Gulf of Mexico. The flooding must be due to water being ...
A simultaneous hurricane watch and tropical storm warning means tropical storm with sustained winds of 39 to 73 mph will likely hit your area within 48 hours. However, it also means the weather ...
Tropical storm warning TRW – Tropical storm conditions (gale- and storm-force sustained winds of 34 to 63 knots [39 to 72 mph; 63 to 117 km/h]) are expected within the specified coastal or inland area within 36 hours (24 hours for Guam, as locally defined by the NWS Forecast Office in Barrigada) in advance of the forecast onset of tropical ...
"80% of our migratory birds here in North America are actually migrating at night," he said. "A large impact that humans actually have on birds during migration is with the light that we produce ...