: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

:Product: Solar Region Summary :Issued: 2025 Dec 16 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 350 Issued at 0030Z on 16 Dec 2025 Report compiled from data received at SWO on 15 Dec I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4305 S25W49 199 0060 Hsx 02 01 Alpha 4307 S15W48 198 0120 Dao ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-46 2025 December 14 at 10:04 p.m. MST (2025 December 15 0504 UTC) **** SPACE WEATHER OUTLOOK **** Summary For December 8-14 - Periods of G2 (Moderate) storming were observed on 10-11 Dec. - G1 (Minor) storms were observed on 11,12 and 13 Dec. - An R3 (Strong) event was observed on 08 Dec. - R1 (Minor) events were observed on 09-12 Dec. Outlook For Dec ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 15 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 349 Issued at 0030Z on 15 Dec 2025 Report compiled from data received at SWO on 14 Dec I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4304 N26W85 248 0060 Dai 07 05 Beta 4305 S25W36 199 0070 Hax 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 14 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 348 Issued at 0030Z on 14 Dec 2025 Report compiled from data received at SWO on 13 Dec I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4296 S16W95 272 0410 Eho 12 05 Beta-Gamma 4304 N26W74 250 0050 ...Continue Reading

: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