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"description": "Interest in the 2015-16 El Niño is high, as the strength of the event will influence how much rain and snowfall states like California receive this winter. Strong El Niño conditions typically result in wetter weather patterns along the United States west coast, which could help to ameliorate the ongoing drought. A statement issued by the National Oceanic and Atmospheric Administration (NOAA) Climate Prediction Center on December 10, 2015, states that \"El Niño is expected to remain strong through the Northern Hemisphere winter 2015-16, with a transition to ENSO-neutral anticipated during late spring or early summer 2016.\"\r\rEl Niño is characterized by unusually warm ocean temperatures in the eastern equatorial Pacific. Conditions in 2015 bear some similarities to those of 1997, a year that brought one of the most potent El Niño events of the twentieth century. This visualization provides side-by-side comparisons of Pacific Ocean sea surface height anomalies (SSHA) in 2015 [right] with SSHA during the famous 1997 El Niño [left]. Red shades indicate where the ocean stood above normal sea level because warmer water expands to fill more volume (thermal expansion). Blue shades indicate where sea level and temperatures were lower than average (thermal contraction). Normal sea-level conditions appear yellow. The maps—based on altimetry data collected by the TOPEX/Poseidon (1997) and OSTM/Jason-2 (2015) satellites—have been processed to highlight the interannual signal of SSH, i.e., the mean signal, seasonal signal, and the trend have been removed.",
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{
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"page_type": "Hyperwall Visual",
"title": "Sea Surface Height Anomaly, 2022-2024",
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"release_date": "2024-02-26T00:00:00-05:00",
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{
"id": 30748,
"url": "https://svs.gsfc.nasa.gov/30748/",
"page_type": "Hyperwall Visual",
"title": "Sea Surface Temperature and Temperature Anomaly 2015-2016",
"description": "El Niño is characterized by unusually warm ocean temperatures in the eastern equatorial Pacific. Sea surface temperature is the temperature of the top millimeter of the ocean's surface. A sea surface temperature anomaly (SSTA) represents how different the ocean temperature, at a particular location and time, is from the normal (or average) temperature for that place and time. These maps, showing sea surface temperature and sea surface temperature anomalies, reveal the progression of the strong 2015-16 El Nino event from January 1, 2015 to January 2, 2016. The sea surface temperature data are seven-day averages calculated using daily thermal data from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument. Missing data have been filled with monthly-average data. The sea surface temperature anomaly data are seven-day averages calculated using the 5-kilometer Coral Reef Watch product produced by the National Oceanic and Atmospheric Administration. The data are based on observations from geostationary and polar-orbiting satellites. || ",
"release_date": "2016-02-01T00:00:00-05:00",
"update_date": "2024-12-15T00:23:51.623049-05:00",
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"media_type": "Image",
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{
"id": 11997,
"url": "https://svs.gsfc.nasa.gov/11997/",
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"title": "NASA On Air: NASA Satellites Are Tracking Current El Niño Across The Pacific (9/11/2015)",
"description": "LEAD: NASA's satellites are tracking the developing El Niño across the Pacific Ocean. 1. Ocean conditions in 2015 bear some similarities to the powerful 1997 El Niño. This NASA visualization shows side-by-side comparisons of Pacific Ocean sea surface height anomalies measured by satellites in 1997 and 2015. 2. Red shows where the ocean is above the normal sea level. 3. Blue shades indicate areas of lower sea levels. 4. Sea surface height is an indicator of the temperature of the water below. Above normal levels indicate warmer temperatures, below normal colder temperatures. 5. El Niño events are characterized by a mass of warm water migrating from Southeast Asia toward South America.TAG: Weather and climate forecasters are tracking El Niño closely because it could help steer beneficial rains to parts of drought-stricken California and the American West. || NASA_On_Air-ElNinoWatch-10-iPad_print.jpg (1024x576) [89.7 KB] || NASA_On_Air-ElNinoWatch-10-iPad_searchweb.png (320x180) [54.0 KB] || NASA_On_Air-ElNinoWatch-10-iPad_thm.png (80x40) [5.5 KB] || NASA_On_Air-ElNinoWatch-4-WeatherChanel.wmv (1280x720) [5.1 MB] || NASA_On_Air-ElNinoWatch-5-Accuweather.avi (1280x720) [4.0 MB] || NASA_On_Air-ElNinoWatch-6_Baron_Services_MP4.mp4 (1920x1080) [22.7 MB] || NASA_On_Air-ElNinoWatch-8-iPad.m4v (960x540) [9.4 MB] || NASA_On_Air-ElNinoWatch-9-iPad.m4v (1280x720) [5.2 MB] || NASA_On_Air-ElNinoWatch-10-iPad.m4v (1920x1080) [5.3 MB] || NASA_On_Air-ElNinoWatch-10-iPad.webm (1920x1080) [2.1 MB] || NASA_On_Air-ElNinoWatch-1_Weather_Channel_30_fps.mov (1920x1080) [406.3 MB] || NASA_On_Air-ElNinoWatch-2_Weather_Channel_60_fps.mov (1280x720) [434.1 MB] || NASA_On_Air-ElNinoWatch-3_NBC_Today.mov (1920x1080) [202.4 MB] || NASA_On_Air-ElNinoWatch-7_APR_422_1920_30.mov (1920x1080) [358.1 MB] || ",
"release_date": "2015-09-11T14:00:00-04:00",
"update_date": "2023-05-03T13:49:22.143053-04:00",
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"alt_text": "LEAD: NASA's satellites are tracking the developing El Niño across the Pacific Ocean. \r \r1. Ocean conditions in 2015 bear some similarities to the powerful 1997 El Niño. This NASA visualization shows side-by-side comparisons of Pacific Ocean sea surface height anomalies measured by satellites in 1997 and 2015.\r \r2. Red shows where the ocean is above the normal sea level. \r\r3. Blue shades indicate areas of lower sea levels. \r\r4. Sea surface height is an indicator of the temperature of the water below. Above normal levels indicate warmer temperatures, below normal colder temperatures. \r\r5. El Niño events are characterized by a mass of warm water migrating from Southeast Asia toward South America.\r\rTAG: Weather and climate forecasters are tracking El Niño closely because it could help steer beneficial rains to parts of drought-stricken California and the American West.\r",
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