Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-42 2026 November 1 at 7:25 p.m. MST (2026 November 2 0225 UTC) **** SPACE WEATHER OUTLOOK **** Summary For October 26-November 1 G2 (Moderate) geomagnetic storming was observed on 31 Oct and G1 (Minor) storm levels were observed on 01 Nov. Both events were associated with the onset of a positive polarity CH HSS. Outlook For November 2-8 No NOAA scale events are expe ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Nov 02 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 306 Issued at 0030Z on 02 Nov 2026 Report compiled from data received at SWO on 01 Nov I. Regions with Sunspots. Locations Valid at 01/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4564 N04E29 203 0020 Cro 08 09 Beta 4565 N14E47 184 0040 Hsx 02 01 Alpha IA. H-alpha Plages withou ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3763 Issue Time: 2026 Nov 01 1302 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Nov 01 1302 UTC Station: GOES-19 Comment: 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 Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact SW ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Nov 01 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 305 Issued at 0030Z on 01 Nov 2026 Report compiled from data received at SWO on 31 Oct I. Regions with Sunspots. Locations Valid at 31/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4564 N04E44 202 0020 Dro 07 03 Beta 4565 N13E63 183 0040 Hsx 03 01 Alpha IA. H-alpha Plages withou ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Oct 31 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 304 Issued at 0030Z on 31 Oct 2026 Report compiled from data received at SWO on 30 Oct I. Regions with Sunspots. Locations Valid at 30/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4563 S19W94 353 0010 Axx 01 01 Alpha 4564 N04E56 203 0030 Cro 05 04 Beta 4565 N12E75 184 0060 H ...Continue Reading

Arnab Strikes India   October 30, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Arnab Strikes India The first named storm of the North Indian Ocean’s cyclone season made landfall along the coast of Andhra Pradesh.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       N ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3762 Issue Time: 2026 Oct 30 1459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3761 Begin Time: 2026 Oct 23 1140 UTC Yesterday Maximum 2MeV Flux: 1228 pfu Max time: 2026 Oct 29 1630 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Oct 30 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 303 Issued at 0030Z on 30 Oct 2026 Report compiled from data received at SWO on 29 Oct I. Regions with Sunspots. Locations Valid at 29/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4563 S18W81 353 0010 Axx 01 01 Alpha 4564 N05E68 204 0010 Axx 01 01 Alpha IA. H-alpha Plages witho ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3761 Issue Time: 2026 Oct 29 1614 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3760 Begin Time: 2026 Oct 23 1140 UTC Yesterday Maximum 2MeV Flux: 2493 pfu Max time: 2026 Oct 28 1805 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

Arnab Strikes India   October 29, 2026 Natural Events   Latest Natural Event Images View the natural events archive Arnab Strikes India The first named storm of the North Indian Ocean’s cyclone season made landfall along the coast of Andhra Pradesh. NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       NASA Earth Science Division ...Continue Reading