Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #25-43 2025 November 23 at 5:39 p.m. MST (2025 November 24 0039 UTC) **** SPACE WEATHER OUTLOOK **** Summary For November 17-23 No significant space weather was observed. Outlook For November 24-30 G1 (Minor) geomagnetic storms are likely on 25-27 November. No other significant space weather is expected. Data used to provide space weather services are contribu ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 24 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 328 Issued at 0030Z on 24 Nov 2025 Report compiled from data received at SWO on 23 Nov I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4287 N02E13 067 0020 Hrx 01 01 Alpha 4288 N18E36 044 0090 Hsx ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 23 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 327 Issued at 0030Z on 23 Nov 2025 Report compiled from data received at SWO on 22 Nov I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4284 S07W89 182 0030 Cao 04 02 Beta 4287 N02E26 067 0050 Hsx 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Nov 22 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 326 Issued at 0030Z on 22 Nov 2025 Report compiled from data received at SWO on 21 Nov I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4284 S07W72 178 0030 Dao 08 08 Beta 4285 S17W82 188 0000 Axx 0 ...Continue Reading

: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