Space Weather Message Code: ALTEF3 Serial Number: 3635 Issue Time: 2026 Feb 26 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3634 Begin Time: 2026 Feb 23 1045 UTC Yesterday Maximum 2MeV Flux: 10494 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or upda ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Feb 26 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 57 Issued at 0030Z on 26 Feb 2026 Report compiled from data received at SWO on 25 Feb I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4378 N17E75 207 0150 Hsx 04 02 Alpha 4379 S16E74 208 0040 Bxo 0 ...Continue Reading

Landslide and Avalanche Debris Litter Hubbard Glacier   February 25, 2026 Natural Events   Latest Natural Event Images View the natural events archive Landslide and Avalanche Debris Litter Hubbard Glacier Satellite-based radar images show where a powerful earthquake in the Yukon, Canada, sent rock, snow, and ice spilling across the frozen landscapes of the St. Elias Mountains.     NASA Earth Observatory Where every day is Earth day Visit sc ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3634 Issue Time: 2026 Feb 25 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3633 Begin Time: 2026 Feb 23 1045 UTC Yesterday Maximum 2MeV Flux: 13748 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or upda ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Feb 25 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 56 Issued at 0030Z on 25 Feb 2026 Report compiled from data received at SWO on 24 Feb I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 24/2400Z Feb ...Continue Reading

Discover the latest from NASA Earth Science   February 24, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive Showy Swirls Around Jeju Island Winds blowing past the volcanic landmass near the Korean Peninsula created a trail of spiraling clouds, while murky water churned nearby. Arctic Blast Brightened the West Florida Shelf A cold snap in the southern U.S. stirred up a dazzling display of sediment in coasta ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3633 Issue Time: 2026 Feb 24 0502 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3632 Begin Time: 2026 Feb 23 1045 UTC Yesterday Maximum 2MeV Flux: 4958 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Feb 24 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 55 Issued at 0030Z on 24 Feb 2026 Report compiled from data received at SWO on 23 Feb I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 23/2400Z Feb ...Continue Reading

Arctic Blast Brightened the West Florida Shelf   February 23, 2026 Natural Events   Latest Natural Event Images View the natural events archive Arctic Blast Brightened the West Florida Shelf A cold snap in the southern U.S. stirred up a dazzling display of sediment in coastal waters.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       ...Continue Reading

Cyclones over Madagascar; Fires and dust over U.S. Midwest   February 20, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Winds Whip Up Fires and Dust on the Southern Plains Dry, gusty conditions spurred fast-growing fires in Oklahoma and Kansas, along with dangerous dust storms across the region. A Second Cyclone Slams Madagascar Widespread flooding affected tens of thousands of people after cyc ...Continue Reading