Arctic Blast Brightened the West Florida Shelf   February 23, 2026 Natural Events   Latest Natural Event Images View the natural events archive Arctic Blast Brightened the West Florida Shelf A cold snap in the southern U.S. stirred up a dazzling display of sediment in coastal waters.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       ...Continue Reading

Cyclones over Madagascar; Fires and dust over U.S. Midwest   February 20, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Winds Whip Up Fires and Dust on the Southern Plains Dry, gusty conditions spurred fast-growing fires in Oklahoma and Kansas, along with dangerous dust storms across the region. A Second Cyclone Slams Madagascar Widespread flooding affected tens of thousands of people after cyc ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3632 Issue Time: 2026 Feb 23 1134 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Feb 23 1045 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

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-8 2026 February 22 at 9:40 p.m. MST (2026 February 23 0440 UTC) **** SPACE WEATHER OUTLOOK **** Summary For February 16-22 R1 (Minor) Radio Blackouts were observed on 16 Feb due to activity from around the Sun's limb. G2 (Moderate) Geomagnetic Storming was observed on 16 Feb due to influence from a coronal hole. G1 (Minor) Geomagnetic Storming was observed ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Feb 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 54 Issued at 0030Z on 23 Feb 2026 Report compiled from data received at SWO on 22 Feb I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 22/2400Z Feb ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Feb 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 53 Issued at 0030Z on 22 Feb 2026 Report compiled from data received at SWO on 21 Feb I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4374 N10W91 065 0120 Hsx 03 01 Alpha IA. H-alpha Plages without Spo ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Feb 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 52 Issued at 0030Z on 21 Feb 2026 Report compiled from data received at SWO on 20 Feb I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4374 N09W77 065 0150 Hsx 03 01 Alpha 4375 N17W48 036 0010 Axx 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3631 Issue Time: 2026 Feb 20 0716 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3630 Begin Time: 2026 Feb 16 1635 UTC Yesterday Maximum 2MeV Flux: 3261 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 Feb 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 51 Issued at 0030Z on 20 Feb 2026 Report compiled from data received at SWO on 19 Feb I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4374 N09W64 065 0200 Cso 03 04 Beta 4375 N16W35 036 0010 Hrx 01 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3630 Issue Time: 2026 Feb 19 1206 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3629 Begin Time: 2026 Feb 16 1635 UTC Yesterday Maximum 2MeV Flux: 3801 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