:Product: Solar Region Summary :Issued: 2025 Nov 21 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 325 Issued at 0030Z on 21 Nov 2025 Report compiled from data received at SWO on 20 Nov I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4284 S07W58 177 0100 Dai 08 08 Beta 4285 S16W68 187 0010 Axx 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3561 Issue Time: 2025 Nov 20 1046 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3560 Begin Time: 2025 Nov 19 1310 UTC Yesterday Maximum 2MeV Flux: 1438 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 Nov 20 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 324 Issued at 0030Z on 20 Nov 2025 Report compiled from data received at SWO on 19 Nov I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4284 S07W44 177 0150 Dai 08 15 Beta 4285 S16W55 188 0010 Bxo 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3560 Issue Time: 2025 Nov 19 1341 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Nov 19 1310 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 Nov 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 323 Issued at 0030Z on 19 Nov 2025 Report compiled from data received at SWO on 18 Nov I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4283 S19W38 184 0010 Axx 01 01 Alpha 4284 S07W32 178 0130 Dai ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 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 322 Issued at 0030Z on 18 Nov 2025 Report compiled from data received at SWO on 17 Nov I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4279 S12W48 207 0010 Axx 01 01 Alpha 4283 S19W24 183 0010 Axx ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-42 2025 November 16 at 8:10 p.m. MST (2025 November 17 0310 UTC) **** SPACE WEATHER OUTLOOK **** Summary For November 10-16 R1 (Minor) radio blackouts were observed on 10, 11, 14 and 16 Nov. R2 (Moderate) radio blackouts were observed on 10, 11 and 14 Nov. R3 (Strong) radio blackouts were observed on 10, 11 and 14 Nov. S1 (Minor) proton storms were obser ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 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 321 Issued at 0030Z on 17 Nov 2025 Report compiled from data received at SWO on 16 Nov I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4277 S06W72 244 0010 Axx 02 01 Alpha 4279 S12W35 207 0010 Hrx ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 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 320 Issued at 0030Z on 16 Nov 2025 Report compiled from data received at SWO on 15 Nov I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4274 N25W88 273 0570 Ekc 11 06 Beta-Gamma-Delta 4275 N07W93 278 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 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 319 Issued at 0030Z on 15 Nov 2025 Report compiled from data received at SWO on 14 Nov I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4274 N24W78 276 0700 Ekc 12 13 Beta-Gamma-Delta 4275 N08W79 277 ...Continue Reading