“The thunder of bison hooves, nearly silenced forever over a century ago, has returned to the Great Plains, serving as a clarion call for renewal, unity and hope.” Read WWF’s Dennis Jorgensen’s blog on how Native Nations supported the return of Bison: to.pbs.org/45Fw4y7

World Wildlife Fund

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When people and communities work together to improve their cities, anything is possible!

Meet Lais - a young Brazilian using her experience as an environmental educator to organise cleaning of mangroves and beaches in her city of Recife. #UrbanOctober

Greenpeace International

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Do you know what a #Medicane is? "Storm Daniel" caused disastrous damages due to heavy rain and floods in Greece, Libya, Turkiye and Bulgaria. This type of #hurricane, which develops in the Mediterranean Sea, has tropical characteristics.
Read more 👉 ow.ly/nC2k50PXxH9

UNDRR

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An Arctic air mass is expected to impact the Northern Plains late next week, leading to a 40 to 60% chance of hazardous cold temperatures, especially to agricultural interests. cpc.ncep.noaa.gov/products/p…

NWS Climate Prediction Center

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NOAA Issues the 2023-24 Winter Outlook. climate.gov/news-features/un…

NWS Climate Prediction Center

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International Ocean Satellite Monitors How El Niño Is Shaping Up
Sentinel-6 Michael Freilich is the latest satellite contributing to a 30-year sea level record that researchers are using to compare this year’s El Niño with those of the past.

Not all El Niño events are created equal. Their impacts vary widely, and satellites like the U.S.-European Sentinel-6 Michael Freilich help anticipate those impacts on a global scale by tracking changes in sea surface height in the Pacific Ocean.

Water expands as it warms, so sea levels tend to be higher in places with warmer water. El Niños are characterized by higher-than-normal sea levels and warmer-than-average ocean temperatures along the equatorial Pacific. These conditions can then propagate poleward along the western coasts of the Americas. El Niños can bring wetter conditions to the U.S. Southwest and drought to regions in the western Pacific, including Indonesia. This year’s El Niño is still developing, but researchers are looking to the recent past for clues as to how it is shaping up.

There have been two extreme El Niño events in the past 30 years: the first from 1997 to 1998 and the second from 2015 to 2016. Both caused shifts in global air and ocean temperatures, atmospheric wind and rainfall patterns, and sea level. The maps above show sea levels in the Pacific Ocean during early October of 1997, 2015, and 2023, with higher-than-average ocean heights in red and white, and lower-than-average heights in blue and purple. Sentinel-6 Michael Freilich captured the 2023 data, the TOPEX/Poseidon satellite collected data for the 1997 image, and Jason-2 gathered data for the 2015 map.

By October 1997 and 2015, large areas of the central and eastern Pacific had sea levels more than 7 inches (18 centimeters) higher than normal. This year, sea levels are about 2 or 3 inches (5 to 8 centimeters) higher than average and over a smaller area compared to the 1997 and 2015 events. Both of the past El Niños reached peak strength in late November or early December, so this year’s event may still intensify.

“Every El Niño is a little bit different,” said Josh Willis, Sentinel-6 Michael Freilich project scientist at NASA’s Jet Propulsion Laboratory in Southern California. “This one seems modest compared to the big events, but it could still give us a wet winter here in the Southwest U.S. if conditions are right.”

More About the Mission

Launched in November 2020, Sentinel-6 Michael Freilich is named after former NASA Earth Science Division Director Michael Freilich. The satellite is one of two that compose the Copernicus Sentinel-6/Jason-CS (Continuity of Service) mission.

Sentinel-6/Jason-CS was jointly developed by ESA (European Space Agency), the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT), NASA, and the U.S. National Oceanic and Atmospheric Administration, with funding support from the European Commission and technical support on performance from the French space agency CNES (Centre National d’Études Spatiales).

To learn more about Sentinel-6 Michael Freilich, visit:

https://www.nasa.gov/sentinel-6

News Media Contacts

Jane J. Lee / Andrew Wang
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-0307 / 626-379-6874
jane.j.lee@jpl.nasa.gov / andrew.wang@jpl.nasa.gov



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NASA UNBOUND for Coastal Issues: Session 2: NASA Data for Sea Level Rise

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Babet continues to lash Scotland with heavy rain and strong winds.

CIRA

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“Indigenous peoples’ traditional knowledge is the key to helping not only the world’s Indigenous peoples, but all of humanity, adapt and mitigate to #climatechange.” – @ConservationOrg board member @hindououmar conservation.org/blog/withou…

Conservation Intl

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Exciting line up of speakers & activities at @FAO's @UN_YUNGA #SchoolAssembly!

Joined by @FAODG, @MariaLenasemedo & @MaximoTorero, education met entertainment for young change makers on a day of learning, fun & empowerment.

Together #youth will make a difference #ClimateAction

FAO Climate Change & Biodiversity

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The #GlobalStocktake shows that plans for adaptation action & support have been poorly implemented, are unevenly distributed and have progressed only incrementally. @WRIClimate explains why progress on adaptation and loss and damage is needed at #COP28: bit.ly/3qgZTG9

WRI Climate

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RT @JPSSProgram: In a similar image sequence from Oct. 12 to 18, 2023, the #SuomiNPP satellite’s Visible Infrared Imaging Radiometer Suite (#VIIRS) Day-Night Band captured the spread of wildfires.

Distinct shifts in nighttime lights highlight the areas impacted by the fires.

NOAA Satellites

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RT @JPSSProgram: In images from Oct. 12 to 19, 2023, the #NOAA20 satellite shows the spread of several bushfires across Australia's Northern Territory.

Enhanced-color images display bright red spots to indicate active fires, while dark red to brown shades reveal burn scars.

NOAA Satellites

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Countries in Latin America and the Caribbean are trying to secure the investments they need for climate action.

See how countries are making use of green finance, carbon markets, finance for blue economy and more: ow.ly/K65Q50PYGZb #ClimateWeekLAC

UNDP Climate

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We need to work together if we want a fair shot at a livable planet.

Learn about the policies, investments and solutions needed to tackle the climate crisis: wrld.bg/4q6350PXUJS #WBmeetings

World Bank Climate

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"Its the moment for #bioeconomy" @MariaLenasemedo cited 8 bioeconomy events that took place in @FAO this week

"All interventions have shown the range of options, solutions & approaches that should be contextualised. and built on science & innovation, & #Indigenous knowledge"

FAO Climate Change & Biodiversity

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Spectacular transverse banding is beginning to splay out around Hurricane #Norma as seen in #GOESWest IR and Water Vapor rapid scan imagery over the past hour. #HurricaneNorma is expected to approach the southern portion of Baja California Friday night.

UW-Madison CIMSS

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AOML 50th Anniversary

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Tropical Storm #Tammy Advisory 6: Center of Tammy Expected to Approach the Leeward Islands On Friday. Tropical Storm Conditions and Heavy Rain Are Expected In Portions of the Leeward Islands Beginning Friday. hurricanes.gov

National Hurricane Center

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