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These maps show where peripheral glaciers have thickened (blue) and thinned (red). Dark red shows where the glaciers have dropped about 1 meter (~3.3 feet) in elevation.
The Greenland Ice Sheet is losing mass. Glaciers close to the ice sheet are also losing a significant amount of ice, and at an accelerating rate.
Atmospheric data are run through @NASA’s GEOS, a model used to analyze global weather phenomena with data from more than 30 sources – including ships, buoys, radiosondes, dropsondes, aircraft, and satellites. Details:
This animation shows the evolution of Ian’s wind field. The strongest winds appear bright yellow, while more moderate winds are orange and bright purple. As it moves northeast, a second, larger eye forms around and eventually envelops the original eye.
Satellite images offer insight into a storm's intensity. #Landsat 8 passed over Hurricane Ian’s eye as it approached southwest Florida. The eye of a hurricane is a circular zone of fair weather at the storm’s center, surrounded by an eyewall of the strongest winds.
Welcome to Space Apps 2022! 🎉 We are thrilled to kick off this year's Space Apps Challenge and#MakeSpacee with our community, former@NASAA astronaut,@Astro_Cadyy, Space Apps Program Scientist,@DrKeithGaddiss, & our 11 Space Agency Partners. Share your#SpaceAppss selfies!3
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🚀#JPSS2S2 is unbagged and on an aronson table while technicians prepare for launch! This is the 3rd weather satellite in th@JPSSProgramam, @NOAAAA an@NASASA collaboration. Launch is Nov. 1 on @ulalaunchc#AtlasVsV fro@SLDelta3030 into a polar orbit3x
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Here’s a look at the COWVR instrument on the ISS. The rotating reflector collects the microwave emissions from the storm allowing weather forecasters to peer inside the clouds and measure its strength. As the @Space_Station moves, it scans over the storm to produce an image.
It’s #InternationalPodcastDay, and we’ve got a new episode for you! 🎧 Kimberly Hall, a climate ecologist, discusses how Earth observations are used to map animal movements in the face of climate change and ecological damage.
The NASA / JAXA GPM Core Observatory satellite captured a 3D view of precipitation within #HurricaneIan as it was strengthening south of Cuba on Sept. 26
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Edit: 9:10am local time (13:10 UTC)
A data view of Hurricane Ian: This image combines microwave emissions measurements from COWVR and TEMPEST, aboard the @Space_Station. The colors indicate different sections of the storm. White - clouds Green - rain Yellow, red, black - air and water vapor moving swiftly
Live now on @NASA TV, the space station flies over #TropicalStormIan, providing live views of the storm as it begins to move off the east coast of Florida.…
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At 1:10pm UTC, @NOAA’s GOES-16 satellite acquired this image of the storm with sustained winds of 250 kilometers (155 miles) per hour—making it a major category-4 hurricane and putting it near the threshold of a category-5 storm.
Hurricane Ian made landfall near Cayo Costa in southwest Florida this afternoon. Forecasters expected that warm waters in the Gulf of Mexico would help the hurricane regain strength before making landfall.
Live now on @NASA TV, the space station flies over #HurricaneIan providing live views of the storm as it makes landfall near Fort Myers, Florida.…
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The @Space_Station will fly over #HurricaneIan again today at 3pm ET and on Thursday at 2:10pm. Tune in to @NASA TV to see live views of the storm from Earth orbit.…
The @NASA Terra satellite captured this image of Hurricane Ian at about noon local time (16:00 Universal Time) on Sept. 27, 2022, just hours after it moved off the northwest coast of Cuba as a category-3 storm.
Evidence for this transfer shows up in the wake of the storm, literally. As the storm passes, it can cool the sea surface in that area for several days. These maps show swaths of lower sea surface temperatures (blue) in the paths of Hurricanes Earl and Fiona.
Hurricane Ian moved over a large fuel source on Sept. 27: warm waters in the Gulf of Mexico. This map shows sea surface temps, above 27.8° C (82.04° F) in red. Water this warm can sustain and intensify hurricanes as thermal energy moves from sea to sky.
Tracking and monitoring fires is faster than ever before. 🔥 ⏲️ NASA’s Fire Information for Resource Management System (FIRMS) tool uses@NASAEarthh and@NOAAa satellite data to pinpoint where fires are actively burning down to the minute.
The image was captured by the VIIRS instrument on Suomi NPP. Clouds are shown in infrared brightness temperature data. Cooler cloud structures appear purple, while warmer surfaces below appear yellow.
Super Typhoon Noru made landfall in the Philippines on September 25 as the equivalent of a category 4 storm. Its winds accelerated from 80 kilometers (50 miles) per hour to 250 kilometers (155 miles) in one day. Details:
Can you solve our September puzzler? 🌏🧩 Tell us what we’re looking at, where on Earth this is, and what makes the image interesting. We’ll share the answer in the coming days. Ready, set,
These images show nighttime light emissions in San Juan, Mayagüez, and Arecibo from August, before Hurricane Fiona, and September 22, after the storm passed through.
At the northern end is Little Black Peak, an inactive cinder cone where a vent erupted about 5,000 years ago. The scattered lighter areas within the flow are lava features such as fissures, collapses and depressions or bare areas without lava.
An astronaut on the @Space_Station captured a sequence of photos of Carrizozo Malpaís. 🌋 📸 They were stitched into a mosaic of the large basaltic lava flow in central New Mexico, which stretches 50 miles (75 kilometers) across the Chihuahuan
Noelia González helps NASA speak Spanish. As editor of @NASA_es's Spanish science website, Ciencia, and host of pilot podcast Universo Curioso de la NASA, Noelia and her teammates are making NASA’s science content available to millions of Spanish speakers around the world. 🧵K
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Are you ready? The History of NASA and the Environment Symposium starts in just 1 week! Join the event @Georgetown or stream the sessions online. Get all the details:…
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Dr. Talib Oliver Cabrera’s career has included a pandemic, dolphins, and a near-miss with a hurricane. Now, he’s studying the fragile wetlands on Louisiana’s coast with NASA’s Delta-X mission. Learn more about his journey: #HispanicHeritageMonth
Arctic sea ice reaches its low point – known as the Arctic sea ice minimum – every year in mid-September. This year tied for the 10th-lowest sea ice extent since year-round satellite records began in 1979, continuing a long-term downward trend.
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Outages spread across the island, with western and southern cities – like Ponce – amongst the hardest hit. These images show nighttime light emissions before and after Hurricane Fiona passed through the city.
The @NOAA @NASA Suomi NPP satellite observed power outages on Puerto Rico in the early morning hours of September 22, in the wake of Hurricane Fiona. Learn more:
In southern Norway, as summer turns to autumn (“høst” in Norwegian) much of the region’s vegetation has already turned from green to autumnal brown and gold.…
The 2022 summer Arctic sea ice extent tied for the 10th lowest on record. @NASA and its partners have been observing sea ice from space for 44 years. The satellite record is maintained by the @NSIDC. Learn more:
This year, Arctic sea ice hit its minimum extent of 4.67 million square kilometers on September 18, 2022. 🧊 That's roughly 1.55 million square kilometers below the 1981-2010
Here's that @NASAViz spiral in millions of square miles.
🌊🧊🌀 Arctic sea ice varies seasonally, typically reaching a maximum extent in March and a minimum in September. Th@NASAVizViz chart shows Arctic sea ice extent from October 1978 to September 2022. Blue = more ice Red = less iB9j
In the southwest Pacific, a seafloor ridge that stretches from New Zealand to Tonga has the highest density of underwater volcanoes in the world. On Sept.10, one of them—the Home Reef seamount—awoke, giving rise to a new island.
Revel in the colors of Autumn:
🍁 Cooler temperatures & falling leaves It’s the first day of Fall in the Northern Hemisphere. Today marks the September equinox – a day when the Sun shines directly over the equator resulting in nearly equal amounts of day & night throughout the world.
Let’s walk back in time. 🔄⏰ @NASAEarthh scientists visited the U.S. Army CRREL Permafrost Tunnel to learn about permafrost, the frozen ground, ice, rock and organic matter under much of Earth’s Arctic and boreal regions. Dig
Over 8 months after Hunga Tonga-Hunga Ha’apai erupted, the SAGEIII instrument on the @Space_Station is still detecting aerosols and water vapor belched into the stratosphere. 🌋 Learn
NASA has followed the Pacific Islands evolution for years. Then Hunga Tonga-Hunga Ha’apai erupted. 🌋 “It gave us a window into a rapid-paced life history of an island.” Here’s what we learned from seeing it through@NASAA and@esaA satellites �
Much of the American West’s water supply depends on meltwater from winter snow. The Airborne Snow Observatory uses NASA-developed methods to provide forecasts and maps of the amount of water held in the snowpack – with up to 99% accuracy. 💧
Ready for takeoff? 🛫 @NASAA aircraft fly all over the world, carrying science instruments that collect data about our planet. Studying Earth from the air is an important link between NASA's field research on the ground and NASA satellite data from orbit. �Wd
Two powerful tropical cyclones made landfall on opposite sides of the world on Sept. 18, dropping several feet of rain. In the Atlantic, Hurricane Fiona lashed Puerto Rico while in the Western Pacific, Typhoon Nanmadol soaked Kyushu, Japan.
As permafrost thaws, the ice in it melts into liquid water. This causes the ground above to subside and sometimes forms lakes. It also increases soil moisture, which scientists can measure in the field and with airborne radars.
Permafrost is ground, rock, ice or other material that has stayed frozen all year for at least two years. But often it’s frozen longer – for hundreds or thousands of years.
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