:Product: Solar Region Summary :Issued: 2026 Mar 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 76 Issued at 0030Z on 17 Mar 2026 Report compiled from data received at SWO on 16 Mar I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4392 S16E15 017 0160 Csi 06 12 Beta-Gamma 4393 N14W17 049 0030 C ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3648 Issue Time: 2026 Mar 16 1320 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3647 Begin Time: 2026 Mar 15 1630 UTC Yesterday Maximum 2MeV Flux: 1429 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: 2026 Mar 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 75 Issued at 0030Z on 16 Mar 2026 Report compiled from data received at SWO on 15 Mar I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4391 N07W19 063 0010 Bxo 02 04 Beta 4392 S16E28 016 0170 Cso 05 ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-11 2026 March 15 at 6:24 p.m. MDT (2026 March 16 0024 UTC) **** SPACE WEATHER OUTLOOK **** Summary For March 9-15 G1 (Minor) and G2 (Moderate) geomagnetic storms were observed on 13 and 14 March. R1 (Minor) radio blackouts were observed on 13 and 15 March. No other significant space weather activity was observed. Outlook For March 16-22 R1-R2 (Minor-Modera ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3647 Issue Time: 2026 Mar 15 1645 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Mar 15 1630 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: 2026 Mar 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 74 Issued at 0030Z on 15 Mar 2026 Report compiled from data received at SWO on 14 Mar I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4384 N10W94 152 0230 Dai 10 11 Beta 4391 N06W06 064 0010 Bxo 03 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Mar 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 73 Issued at 0030Z on 14 Mar 2026 Report compiled from data received at SWO on 13 Mar I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4384 N08W81 152 0230 Dai 10 11 Beta 4388 S14W71 142 0010 Bxo 06 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3646 Issue Time: 2026 Mar 13 1734 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3645 Begin Time: 2026 Mar 08 1510 UTC Yesterday Maximum 2MeV Flux: 2941 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

Eruption at Mayon; Dust Outbreak Reaches Europe   March 13, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Eruption at Mayon Activity at the volcano in the Philippines sent lava and pyroclastic flows down the volcano’s flanks and prompted evacuations in nearby communities. Dust Outbreak Reaches Europe Clouds of dust lofted from the Sahara Desert brought hazy skies and muddy rain to Western Europ ...Continue Reading

Eruption at Mayon   March 13, 2026 Natural Events   Latest Natural Event Images View the natural events archive Eruption at Mayon Activity at the volcano in the Philippines sent lava and pyroclastic flows down the volcano’s flanks and prompted evacuations in nearby communities.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       ...Continue Reading