:Product: Solar Region Summary :Issued: 2025 Nov 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 317 Issued at 0030Z on 13 Nov 2025 Report compiled from data received at SWO on 12 Nov I. Regions with Sunspots. Locations Valid at 12/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4272 N22W67 292 0010 Axx 01 01 Alpha 4274 N24W51 276 1000 Ekc ...Continue Reading

Space Weather Message Code: WARPC0 Serial Number: 120 Issue Time: 2025 Nov 12 2354 UTC EXTENDED WARNING: Proton 100MeV Integral Flux above 1pfu expected Extension to Serial Number: 119 Valid From: 2025 Nov 11 1028 UTC Now Valid Until: 2025 Nov 13 0600 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate incr ...Continue Reading

Space Weather Message Code: WATA99 Serial Number: 12 Issue Time: 2025 Nov 12 1805 UTC WATCH: Geomagnetic Storm Category G4 or Greater Predicted Highest Storm Level Predicted by Day: Nov 13: G4 (Severe) Nov 14: G1 (Minor) Nov 15: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 45 degrees Geomagnetic Latitude. Induced ...Continue Reading

Space Weather Message Code: WARPC0 Serial Number: 119 Issue Time: 2025 Nov 12 1151 UTC EXTENDED WARNING: Proton 100MeV Integral Flux above 1pfu expected Extension to Serial Number: 118 Valid From: 2025 Nov 11 1028 UTC Now Valid Until: 2025 Nov 12 2359 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate incr ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3559 Issue Time: 2025 Nov 12 0502 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3558 Begin Time: 2025 Nov 10 1325 UTC Yesterday Maximum 2MeV Flux: 10891 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: 2025 Nov 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 316 Issued at 0030Z on 12 Nov 2025 Report compiled from data received at SWO on 11 Nov I. Regions with Sunspots. Locations Valid at 11/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4272 N22W55 293 0020 Hrx 01 01 Alpha 4274 N24W37 275 1100 Ekc ...Continue Reading

Space Weather Message Code: WARPC0 Serial Number: 118 Issue Time: 2025 Nov 11 2338 UTC EXTENDED WARNING: Proton 100MeV Integral Flux above 1pfu expected Extension to Serial Number: 117 Valid From: 2025 Nov 11 1028 UTC Now Valid Until: 2025 Nov 12 1200 UTC Warning Condition: Onset NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased ...Continue Reading

Space Weather Message Code: WATA99 Serial Number: 11 Issue Time: 2025 Nov 11 1705 UTC WATCH: Geomagnetic Storm Category G4 or Greater Predicted Highest Storm Level Predicted by Day: Nov 12: G4 (Severe) Nov 13: G3 (Strong) Nov 14: G1 (Minor) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 45 degrees Geomagnetic Latitude. Induced Cur ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3558 Issue Time: 2025 Nov 11 1032 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3557 Begin Time: 2025 Nov 10 1325 UTC Yesterday Maximum 2MeV Flux: 4276 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

Space Weather Message Code: WARPC0 Serial Number: 117 Issue Time: 2025 Nov 11 1028 UTC WARNING: Proton 100MeV Integral Flux above 1pfu expected Valid From: 2025 Nov 11 1028 UTC Valid To: 2025 Nov 11 2359 UTC Warning Condition: Onset NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased biological risk to astronauts or passengers and c ...Continue Reading