Ken Davis

Climate Spiral 1880 – Present • Monthly Global Surface Temperature anomalies, °C. • Combines Sea Surface Temp (SST) with Land Surface Air Temp (LSAT). • Updated May 19, 2026. 1/2 NASA SVS Visualizer: @marksubbarao.bsky.social Scientist: @climateofgavin.bsky.social Learn: svs.gsfc.nasa.gov/5190/

Global Near-Surface Temperature April 11 to 26, 2026 • Calculated by sampling model fields at 2 meters (about 6 ft) above Earth’s surface. • Observations from ground stations, aircraft, balloons, and Earth observing satellites. 1/2 GEOS-FP by NASA GMAO NASA SVS Learn More: svs.gsfc.nasa.gov/5147/

Earth Rotating 3D Earth with clouds, atmosphere, and night lights. “On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.” #Earth #BlueMarble NASA SVS Learn, View, Download: svs.gsfc.nasa.gov/5570/

Arctic Sea Ice Maximum Extent 2026 • Arctic sea ice maximum extent for 2026, at 14.29 million km² (5.52 million mi²) March 15. • Tying 2025 for lowest maximum in 48-year satellite record. 2025 minimum – 2026 maximum. #Arctic #SeaIce #dataviz NASA SVS (NASA/GSFC&JAXA) LEARN: svs.gsfc.nasa.gov/5629

Forest Park Morning hike, afternoon walk! #Biodiversity, #ecosystems, natural environment, forest, biological sequestration. 🎶 America - You Can Do Magic (1982) #ForestPark #PDX #Hiking #Walking

Birds • Birds are among the most visible elements of biodiversity in the marine environment. • By tracking bird populations, scientists can better understand the state and health of marine ecosystems. Learn, respect, protect nature and the environment. #Ecosystems #Biodiversity #SeaBirds NOAA

Intensifying Nor’easter Brings Blizzards to East Coast Bomb Cyclone of nor’easter delivers strong winds, multiple inches snowfall to Northeast US, blizzard warnings along East Coast. #Blizzard, #BombCyclone, #Nor’easter Feb 23, 2026 UTC CSU/CIRA&NOAA More: satlib.cira.colostate.edu/event/major-...

Record Temperature Years: 2025, 2024, and 2023 • Three warmest years in NASA's 146-year record. • Anomalies relative to pre-industrial 1850-1900. Morphs data grid to bar chart. NASA SVS Visualizer: Mark SubbaRao (NASA/GSFC) Scientist: Gavin Schmidt (NASA/GSFC GISS) MORE: svs.gsfc.nasa.gov/5607/

Massive Crack in Ice Forms on Lake Erie Large crack in the ice forms on Lake Erie Sunday, Feb. 8, 2026. Approximately 80 miles long, stretching from Port Burwell, Canada, to near Cleveland, Ohio. #LakeErie #GOESEast #GOES19 CSU/CIRA&NOAA Learn More: satlib.cira.colostate.edu/weather_medi...

Accelerating Ice Flow Velocities Bonus Animation – Jakobshavn Glacier in Motion Jakobshavn Glacier’s flow between July 2017 to March 2019 (see map details in previous posts above). 3/ #Greenland #Glacier Copernicus data (2017–19), processed by ESA Full Story: www.esa.int/ESA_Multimed...

Arctic Sea Ice Year-End 2025 • Daily Arctic Sea Ice, Two Years • December 27, 2023 — December 31, 2025 See Chart and details in post below. #Arctic #SeaIce #dataviz Datasets courtesy of NASA/GSFC & JAXA NASA SVS Learn More: svs.gsfc.nasa.gov/5046/

Antarctic and Greenland Ice Sheet Mass Losses Average Mass Loss 2002–2025: • Antarctica -135 Gigatons ice/year, global sea level rise 0.4mm/yr. • Greenland -264 Gigatons ice/year, global sea level rise 0.8mm/yr. #Antarctic #Greenland #IceSheet NASA&JPL/Caltech LEARN MORE: svs.gsfc.nasa.gov/31166/

2025 Intense Wildfire Year in Northern Hemisphere Aerosol Optical Depth - Aug. 1-31, 2025. • Organic Matter (indicating #wildfire smoke, pink-magenta). • Dust (yellow-orange). • Smoke impacts on PM2.5 concentrations. #CopernicusAtmosphere CAMS/ECMWF LEARN: atmosphere.copernicus.eu/2025-sees-in...

2025 Intense Wildfire Year in Northern Hemisphere • Extreme #wildfires in North America and Europe. • Atmospheric composition impacts far from where fires burn. Locations, intensity, smoke plumes Jan 1 - Nov 30 2025. #CopernicusAtmosphere CAMS/ECMWF LEARN: atmosphere.copernicus.eu/2025-sees-in...

Arctic Report Card 2025–Trailer • Two decades record low sea ice. • "Atlantification", inflow of warmer, saltier water leads to less ice, influencing ecosystems. • Glaciers, Ice Caps, and Snow are disappearing. 2/3 #ArcticReportCard #Arctic NOAA Full Report: arctic.noaa.gov/report-card/...

Kīlauea Volcano • Ep 37, #Kīlauea summit eruption, Halemaʻumaʻu crater, ended Nov 25, 2025. • Fountain heights of 500-600ft (150-180m). • Estimated 8.2 million cubic yards (6.3 million cubic meters) lava over 9.2 hours. 1/2 #Volcano #Geology #Hawaii USGS Learn More: www.usgs.gov/volcanoes/ki...

Arctic and Antarctic Sea Ice • Daily Polar Sea Ice, Two Year History • November 30, 2023 — November 29, 2025 * "Arctic sea ice extent is currently the lowest on record (JAXA data)" #Arctic #Antarctic #SeaIce #dataviz Datasets courtesy of NASA/GSFC&JAXA NASA SVS Learn More: svs.gsfc.nasa.gov/5099

Hurricane Melissa Lightning flashes within powerful eye wall of Category 5 Hurricane #Melissa. 🌀 Potential to be strongest storm to make landfall in #Jamaica on record. 🌀 1/2 #Hurricane #TropicalCyclone #Lightning 2025/10/27 UTC CSU/CIRA&NOAA LEARN MORE: satlib.cira.colostate.edu/event/hurric...

Imelda Absorbs Humberto’s Remnants • Hurricanes #Imelda & #Humberto traveling in western Atlantic. • Humberto dissipates & gets assimilated by Imelda. Sept 29 - Oct 2, 2025 UTC Extratropical Transition #Hurricane #TropicalCyclone CSU/CIRA&NOAA Learn More: satlib.cira.colostate.edu/event/hurric...

Arctic Sea Ice Minimum Extent 2025 • Arctic Sea Ice maximum extent March 22, 2025 to minimum extent reached September 10, 2025. • In the 47-year-satellite record, 19 lowest minimums have all occurred in last 19 years. *Appreciation much obliged! 1/2 #Arctic #SeaIce MORE: svs.gsfc.nasa.gov/5583/

Ozone Hole Development 2025 2025 ozone hole presented an early development, larger-than-average area mid-September. Current ongoing #Antarctic ozone hole as 3D rendered animation below, thru 15 Sep 2025. 1/2 #OzoneHole #WorldOzoneDay CAMS/ECMWF LEARN MORE: atmosphere.copernicus.eu/monitoring-o...

Earth Rotating 3D Earth with clouds, atmosphere, and night lights. “On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.” #Earth #BlueMarble NASA SVS Learn, View, Download: svs.gsfc.nasa.gov/5570/

Kīlauea Volcano • Ep. 32, Halemaʻumaʻu eruption ended Sep 2. • Spectacular lava fountaining, crater floor flows. • ~12.5 million cubic yards of lava, enough to fill a hole the size of a football field one mile deep! #Volcano #Kīlauea #Geology #Hawaii USGS Learn More: www.usgs.gov/volcanoes/ki...

Greenland Ice Sheet Greenland subglacial flood bursts through #IceSheet surface. Equivalent to about 9 hours' worth of water thundering over Niagara Falls at peak flow, one of the largest recorded subglacial floods in #Greenland. 1/2 #Glacier #Meltwater ESA LEARN MORE: www.esa.int/Applications...

Hurricane Erin Hurricane Erin continues journey along the U.S. Atlantic Coast as the Sun sets on August 20, 2025. Creating dangerous Storm Surge, life-threatening high surf, and powerful rip currents. #Hurricane #TropicalCyclone GOES-East - 2025/08/21 UTC Learn More: www.star.nesdis.noaa.gov/GOES/

Climate Spiral 1880 – Present • Monthly Global Surface Temperature anomalies, in Celsius. • Combines Sea Surface Temperature (SST) with Land Surface Air Temperature (LSAT). • Updated August 13, 2025. NASA SVS Visualizer, @marksubbarao.bsky.social (NASA/GSFC) Learn More: svs.gsfc.nasa.gov/5190/

Forest Park Always yield the right of way! Be respectful when you are a guest visiting natural habitats. Reset, refresh, perspective. #Biodiversity, #ecosystems, #habitat, natural environment, #forest, biological sequestration. 2/2 #ForestPark #PDX #Hiking #Birds

Forest Park Watch as the bird takes flight deep into the vastness of the forest. Reset, refresh, perspective. #Biodiversity, #ecosystems, #habitat, natural environment, #forest, biological sequestration. 1/2 #ForestPark #PDX #Hiking #Birds

Carbon Monoxide (CO) Molecule comprised of one carbon & one oxygen atom. • Human activity, vehicles, industry, wood burning, wildfires. • Interferes ability of blood to carry oxygen, fatigue, headaches, confusion. Jul 30-Aug 14, 2025 #Pollution #CarbonMonoxide Learn More: svs.gsfc.nasa.gov/5153/

North American Wildfires of 2025 The sun rises on wildfire smoke across the United States and Canada. Phenomena: #Smoke, #Wildfires #Canada GOES-19, August 6, 2025 UTC CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu/event/north-...

Oceans and Atmosphere • Work as system, exchanging heat, moisture, energy, gases. • Sea Surface Temperature changes affect atmospheric dynamics, influencing weather & climate. • Interaction plays an important role in moderating our climate. #Arctic ESA Learn More: www.esa.int/ESA_Multimed...

Kīlauea Volcano • Episode 28 of ongoing Halemaʻumaʻu eruption ended July 9, 2025. • Lava Fountaining measured about 200m (650ft) at that time. • Episode 29 likely to start between July 16 and 19. 2/2 #Volcano #Kīlauea #EarthProcesses #Geology USGS Learn More: www.usgs.gov/volcanoes/ki...

Kīlauea Volcano • Episode 28 of ongoing Halemaʻumaʻu eruption ended July 9, 2025. • Summit inflation resumed immediately and continues. • Episode 29 likely to start between July 16 and 19. 1/2 #Volcano #Kīlauea #EarthProcesses #Geology USGS Learn More: www.usgs.gov/volcanoes/ki...

Sea Surface Warming Acceleration Temperatures over the past four decades have been getting warmer at an accelerated pace. Increasing levels of greenhouse gases trap heat in our atmosphere, resulting in an excess energy imbalance driving climate change. ESA Full Story: www.esa.int/Applications...

Catastrophic Flooding in Texas Historic rainfall fell across central Texas, leading to catastrophic flooding that has claimed scores of lives. July 03-06, 2025 UTC #Flooding #KerrCounty #CampMystic #ExtremeWeather GOES-19, Water Vapor (band 9) CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu

Aerosols in the Atmosphere Particles from natural and human sources. • Black Carbon from Wildfires burning in the Amazon Rainforest and Africa. • Dust from Sahara Desert towards the Americas. • Sulfates, Sea Salt. 1/2 #Aerosols #Carbon NASA SVS View, Download, Learn More: svs.gsfc.nasa.gov/5552/

Hurricane Erick Full journey formation thru landfall and dissipation over Mexico. The earliest major #hurricane to make landfall on Mexico’s Pacific coast in recorded history. #TropicalCyclone GOES-19 June 17-20, 2025 UTC CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu/event/hurric...

Trams–Freiburg im Breisgau Tramway Network • Opened in 1901. • Power by electricity. • Part of public transport system. • City of Freiburg im Breisgau, Baden-Württemberg, Germany. #Walk #Bike #Transit #Tram #Tramway #CarFree 🎶 Julie London-Gone With The Wind

Land Vegetation Data Three major classes of plant pigments observed March 2024 to March 2025. Chlorophyll controls potential photosynthesis, carotenoids and anthocyanins can aid #photosynthesis and help to provide protection to plants. #Chlorophyll NASA SVS Learn More: svs.gsfc.nasa.gov/5548/

Hurricane Barbara Barbara & Cosme Churn in the Eastern Pacific • Barbara has become 1st hurricane of 2025 East Pacific hurricane season. • #TropicalStorm Cosme will soon join Barbara becoming a #hurricane. 1/ 2025/06/09 - UTC CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu/event/hurric...

North American Wildfires of 2025 Wildfire smoke overtakes skies above Eastern United States. Time lapse shows drifting smoke over a 3-day period. Phenomena: #Smoke, #Wildfires. Timespan: 2025/05/31-2025/06/02 4/ #Canada GOES-19 CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu/event/north-...

North American Wildfires of 2025 Smoke from Canadian wildfires blankets much of central North America. Phenomena: Smoke, #Wildfires. 2/ #Canada GOES-19, May 30, 2025 UTC CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu/event/north-...

North American Wildfires of 2025 Pyrocumulonimbus plumes billow from wildfires in Alberta, Canada. Phenomena: Pyrocumulonimbus, Pyrocumulus, Smoke, #Wildfires. 1/ #Alberta #Canada GOES-18, May 30, 2025 UTC CSU/CIRA & NOAA Learn More: satlib.cira.colostate.edu/event/north-...

Kīlauea Volcano • Episode 23, ongoing #Kīlauea Summit eruption, 5/5/25. • Lava Fountains >1,000ft (300m). • Plume laden with tephra (ash, scoria, Pele's hair), 5,000ft (1,500m). • Flows half of Halemaʻumaʻu crater floor, Kaluapele, Kīlauea Caldera. #Volcano Learn More: www.usgs.gov/volcanoes/ki...