:Product: Solar Region Summary :Issued: 2025 Dec 13 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 347 Issued at 0030Z on 13 Dec 2025 Report compiled from data received at SWO on 12 Dec I. Regions with Sunspots. Locations Valid at 12/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S16W93 282 0780 Dkc 09 08 Beta-Gamma-Delta 4296 S15W83 272 ...Continue Reading

Atmospheric river, KÄ«lauea eruptions, Cyclone Senyar   DECEMBER 12, 2025 Natural Events   This Week's Natural Event Images View the natural events archive Pacific Moisture Drenches the U.S. Northwest A potent atmospheric river delivered intense rainfall to western Washington, triggering flooding and mudslides. Read More A Hot and Fiery Decade for Kīlauea The volcano in Hawaii is one of the most active in the world, and NA ...Continue Reading

Pacific Moisture Drenches the U.S. Northwest   DECEMBER 12, 2025 Natural Events   Latest Natural Event Images View the natural events archive Pacific Moisture Drenches the U.S. Northwest A potent atmospheric river delivered intense rainfall to western Washington, triggering flooding and mudslides. Read More     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 12 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 346 Issued at 0030Z on 12 Dec 2025 Report compiled from data received at SWO on 11 Dec I. Regions with Sunspots. Locations Valid at 11/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S15W81 284 0780 Ekc 14 15 Beta-Gamma-Delta 4296 S15W69 272 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 11 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 345 Issued at 0030Z on 11 Dec 2025 Report compiled from data received at SWO on 10 Dec I. Regions with Sunspots. Locations Valid at 10/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S15W69 284 0800 Ekc 14 25 Beta-Gamma-Delta 4296 S15W55 271 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 10 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 344 Issued at 0030Z on 10 Dec 2025 Report compiled from data received at SWO on 09 Dec I. Regions with Sunspots. Locations Valid at 09/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S17W54 282 0800 Ekc 11 23 Beta-Gamma-Delta 4296 S15W42 270 ...Continue Reading

DECEMBER 9, 2025 Weekly News   Latest Images of the Day (Links below go to our new home at science.nasa.gov/earth/earth-observatory) View the Image of the Day archive A Hot and Fiery Decade for Kīlauea The volcano in Hawaii is one of the most active in the world, and NASA tech makes it easier for volcanologists to monitor new developments. Read More Islands of Fire and Ice Veiled in Cloud Puffs of low-level clouds mingle with the volcanic terrain of Candlemas and Vindication i ...Continue Reading

A Hot and Fiery Decade for KÄ«lauea   DECEMBER 9, 2025 Natural Events   Latest Natural Event Images (Links below go to our new home at science.nasa.gov/earth/earth-observatory) View the natural events archive A Hot and Fiery Decade for Kīlauea The volcano in Hawaii is one of the most active in the world, and NASA tech makes it easier for volcanologists to monitor new developments. Read More     NASA Earth Observatory Where every day ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3575 Issue Time: 2025 Dec 09 1210 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3574 Begin Time: 2025 Dec 05 1530 UTC Yesterday Maximum 2MeV Flux: 1040 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 09 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 343 Issued at 0030Z on 09 Dec 2025 Report compiled from data received at SWO on 08 Dec I. Regions with Sunspots. Locations Valid at 08/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S16W42 284 0800 Fkc 16 32 Beta-Gamma-Delta 4295 N06W41 283 ...Continue Reading