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As a result, ocean surf temperatures are much colder in summer along the Pacific coast than the Atlantic coast at the same latitude. For example, the average July SST (sea surface temperature) at New York City at 40.7°N is 73 °F (23 °C), while at the same latitude in Eureka, CA is 57 °F (14 °C). As such, ocean surf temperatures are rarely ...
The temperature of the water in the gulf generally experiences lows of 16 °C (61 °F) in winter and highs of 24 °C (75 °F) in summer. But temperatures can vary greatly in the gulf, and the water is almost always warmer by the coast than the open ocean.
Sea surface temperatures along the coast are generally 52–58 °F (11–14 °C) year-round. [3] [4] When the marine layer encounters the colder waters along the California coast, it cools to its dew point, and if small particles called condensation nuclei are present, liquid water drops will form.
The highest reliably recorded temperature in the world, [6] [7] 134 °F (56.7 °C), was recorded in Death Valley on July 10, 1913. Temperatures of 130 °F (54 °C) or higher have been recorded as recently as 2005. The 24-hour average July temperature in Death Valley is 101.8 °F (38.8 °C) (1981–2010 NCDC Normals).
The ocean temperature plays a crucial role in the global climate system, ocean currents and for marine habitats. It varies depending on depth, geographical location and season. Not only does the temperature differ in seawater, so does the salinity. Warm surface water is generally saltier than the cooler deep or polar waters. [1]
A wet-bulb temperature at 500 hPa in a tropical atmosphere of −13.2 °C (8.2 °F) is required to initiate convection if the water temperature is 26.5 °C (79.7 °F), and this temperature requirement increases or decreases proportionally by 1 °C in the sea surface temperature for each 1 °C change at 500 hpa.
In the case of coastal California, the offshore marine layer is enabled by the cold relative sea surface temperatures of the Pacific Ocean. California receives this unusually cold water through a process called the California Current, where cool polar water is transported from the Gulf of Alaska to the California coast. [3]
It has been shown that El Niño affects the west coast through atmospheric as well as oceanic route. During an El Niño, surface transport in the Alaska Gyre strengthens. In the Alaska Current system, 7– 8 months after El Niño occurred on the equator, an anomaly of subsurface temperature larger than 1.5 °C was found along the coast. [4]