:Product: Solar Region Summary :Issued: 2025 Dec 19 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 353 Issued at 0030Z on 19 Dec 2025 Report compiled from data received at SWO on 18 Dec I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4305 S25W89 197 0060 Hsx 01 01 Alpha 4307 S15W88 196 0130 Dao ...Continue Reading

NASA News   RELEASE 25-077 DEC. 18, 2025 LEADERSHIP NASA Welcomes 15th Administrator Jared Isaacman     Jared Isaacman was sworn in as NASA’s 15th administrator on Dec. 18, 2025. Credit: John Kraus Jared Isaacman was sworn in Thursday as NASA's 15th administrator by District Judge Timothy J. Kelly. The oath was taken during a ceremony held at the Eisenhower Executive Office Building in Washington.   As NASA administrator, Isaa ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3577 Issue Time: 2025 Dec 18 1106 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3576 Begin Time: 2025 Dec 17 1405 UTC Yesterday Maximum 2MeV Flux: 1632 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: 2025 Dec 18 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 352 Issued at 0030Z on 18 Dec 2025 Report compiled from data received at SWO on 17 Dec I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4305 S25W75 199 0060 Hsx 01 01 Alpha 4307 S15W74 198 0130 Dao ...Continue Reading

Our last update for 2025 - Happy Holidays!   DECEMBER 17, 2025 Natural Events   Dear Earth Observatory subscribers, As we come to the end of the year, the Earth Observatory team would like to thank all of you for your continued support during 2025 and over the past 26 years. We have seen lots of change, especially over the past month with the move to our new home, and we are looking forward to 2026 and the promise of new stories and ways to ...Continue Reading

Our last update for 2025 - Happy Holidays!   DECEMBER 17, 2025 Natural Events   Dear Earth Observatory subscribers, As we come to the end of the year, the Earth Observatory team would like to thank all of you for your continued support during 2025 and over the past 26 years. We have seen lots of change, especially over the past month with the move to our new home, and we are looking forward to 2026 and the promise of new stories and ways to ...Continue Reading

Our last update for 2025 - Happy Holidays!   DECEMBER 17, 2025 Weekly News   Dear Earth Observatory subscribers, As we come to the end of the year, the Earth Observatory team would like to thank all of you for your continued support during 2025 and over the past 26 years. We have seen lots of change, especially over the past month with the move to our new home, and we are looking forward to 2026 and the promise of new stories and ways to te ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3576 Issue Time: 2025 Dec 17 1506 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Dec 17 1405 UTC Station: GOES19 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 update the personal information in your account, go to the Product ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 17 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 351 Issued at 0030Z on 17 Dec 2025 Report compiled from data received at SWO on 16 Dec I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4305 S25W62 199 0050 Hax 02 01 Alpha 4307 S15W60 197 0110 Dao ...Continue Reading

NASA News   RELEASE 25-073 DEC. 16, 2025 MISSIONS NASA Ignites New Golden Age of Exploration, Innovation in 2025   Artemis II NASA astronauts (left to right) Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen stand in the white room on the crew access arm of the mobile launcher at Launch Pad 39B as part of an integrated ground systems test at the agency’s Kennedy Space Center in Florida on Sept. 20, 2023. Credit: NA ...Continue Reading