:Product: Solar Region Summary :Issued: 2026 Jan 27 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 27 Issued at 0030Z on 27 Jan 2026 Report compiled from data received at SWO on 26 Jan I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S10W87 044 0060 Hax 04 01 Alpha 4342 N16W85 042 0090 Cso 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3611 Issue Time: 2026 Jan 26 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3610 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 6155 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 #26-4 2026 January 25 at 6:50 p.m. MST (2026 January 26 0150 UTC) **** SPACE WEATHER OUTLOOK **** Summary For January 19-25 -G4 storming was observed on 19-20 Jan, G3 storming was observed on 20-21 Jan, G2 storming was observed on 21 Jan, and G1 storming was observed on 22 Jan following the arrival of the halo CME from18 Jan. -S4 levels were observed on19 Jan ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jan 26 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 26 Issued at 0030Z on 26 Jan 2026 Report compiled from data received at SWO on 25 Jan I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S10W74 044 0090 Cso 05 03 Beta 4342 N15W72 042 0140 Dso 08 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3610 Issue Time: 2026 Jan 25 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3609 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 5171 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 Jan 25 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 25 Issued at 0030Z on 25 Jan 2026 Report compiled from data received at SWO on 24 Jan I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S10W60 043 0200 Cao 04 05 Beta 4342 N14W58 041 0180 Dso 08 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3609 Issue Time: 2026 Jan 24 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3608 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 3392 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 Jan 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 24 Issued at 0030Z on 24 Jan 2026 Report compiled from data received at SWO on 23 Jan I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4341 S11W49 045 0200 Cao 07 10 Beta 4342 N13W45 041 0180 Dso 09 ...Continue Reading

Winter snows and wildfires   January 23, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Winter Grips the Michigan Mitten A blanket of snow spanned Michigan and much of the Great Lakes region following a potent cold snap. Read more Snow Buries Kamchatka December and January brought a series of intense winter storms to the peninsula in far eastern Russia. Read more Fire ...Continue Reading

Winter Grips the Michigan Mitten   January 23, 2026 Natural Events   Latest Natural Event Images View the natural events archive Winter Grips the Michigan Mitten A blanket of snow spanned Michigan and much of the Great Lakes region following a potent cold snap. Read more     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       ...Continue Reading