Space Weather Message Code: ALTEF3 Serial Number: 3655 Issue Time: 2026 Mar 24 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3654 Begin Time: 2026 Mar 22 1430 UTC Yesterday Maximum 2MeV Flux: 8285 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 24 0446 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 83 Issued at 0030Z on 24 Mar 2026 Report compiled from data received at SWO on 23 Mar I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4392 S17W77 016 0120 Cao 03 03 Beta 4397 N16W01 300 0020 Cro 02 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Mar 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 83 Issued at 0030Z on 24 Mar 2026 Report compiled from data received at SWO on 23 Mar I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4392 S17W77 016 0120 Cao 03 03 Beta 4397 N16W01 300 0020 Cro 02 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3654 Issue Time: 2026 Mar 23 1201 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3653 Begin Time: 2026 Mar 22 1430 UTC Yesterday Maximum 2MeV Flux: 1321 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

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-12 2026 March 22 at 8:47 p.m. MDT (2026 March 23 0247 UTC) **** SPACE WEATHER OUTLOOK **** Summary For March 16-22 -G1-G3 (Minor-Strong) storms were observed on 20-22 Mar in response to CME influences. -R1 (Minor) events were observed on 16-18 Mar. Outlook For March 23-29 -G1-G2 (Minor-Moderate) storm periods are expected on 23 Mar due to -CH HSS influe ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Mar 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 82 Issued at 0030Z on 23 Mar 2026 Report compiled from data received at SWO on 22 Mar I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4392 S18W65 017 0120 Cso 03 03 Beta 4397 N16E14 298 0020 Cro 04 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3653 Issue Time: 2026 Mar 22 1438 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Mar 22 1430 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 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 81 Issued at 0030Z on 22 Mar 2026 Report compiled from data received at SWO on 21 Mar I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4392 S17W52 017 0110 Cso 04 03 Beta 4397 N16E27 298 0020 Cro 02 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Mar 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 80 Issued at 0030Z on 21 Mar 2026 Report compiled from data received at SWO on 20 Mar I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4392 S16W40 019 0130 Cso 05 05 Beta 4397 N18E42 297 0030 Cao 05 ...Continue Reading

Restless KÄ«lauea Launches Lava and Ash   March 20, 2026 Natural Events   Latest Natural Event Images View the natural events archive Restless Kīlauea Launches Lava and Ash Episode 43 of the Hawaiian volcano’s current eruption was marked by high lava fountains and widespread ash dispersal.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth   ...Continue Reading