Space Weather Message Code: ALTEF3 Serial Number: 3703 Issue Time: 2026 Jun 18 1507 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Jun 18 1507 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 o ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jun 18 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 169 Issued at 0030Z on 18 Jun 2026 Report compiled from data received at SWO on 17 Jun I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4465 N07W49 290 0090 Cso 05 08 Beta 4469 S16W06 248 0010 Bxo 0 ...Continue Reading

Low Water at San Carlos Reservoir   June 17, 2026 Natural Events   Latest Natural Event Images View the natural events archive Low Water at San Carlos Reservoir Drought and water releases drained the Arizona reservoir to levels that have led to widespread fish deaths.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jun 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 168 Issued at 0030Z on 17 Jun 2026 Report compiled from data received at SWO on 16 Jun I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4463 N17W81 337 0020 Hrx 01 01 Alpha 4464 S14W86 342 0060 Hsx ...Continue Reading

Discover the latest from NASA Earth Science   June 16, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive Nebraska’s Wide, Rolling Domain The Nebraska Sandhills—the largest system of sand dunes in the Western Hemisphere—stretch across about one-quarter of the state. Pumice Rafts Encroach on Admiralty Islands Buoyant volcanic rock fragments from an underwater eruption drifted across the Bismarck Sea and choke ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3702 Issue Time: 2026 Jun 16 1124 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3701 Begin Time: 2026 Jun 13 1332 UTC Yesterday Maximum 2MeV Flux: 1489 pfu 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 corre ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jun 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 167 Issued at 0030Z on 16 Jun 2026 Report compiled from data received at SWO on 15 Jun I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4463 N17W68 337 0030 Hsx 02 01 Alpha 4464 S14W70 339 0100 Hsx ...Continue Reading

Pumice Rafts Encroach on Admiralty Islands   June 15, 2026 Natural Events   Latest Natural Event Images View the natural events archive Pumice Rafts Encroach on Admiralty Islands Buoyant volcanic rock fragments from an underwater eruption drifted across the Bismarck Sea and choked island coasts.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth   &nbs ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3701 Issue Time: 2026 Jun 15 1235 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3700 Begin Time: 2026 Jun 13 1332 UTC Yesterday Maximum 2MeV Flux: 1581 pfu 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 corre ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-23 2026 June 14 at 9:02 p.m. MDT (2026 June 15 0302 UTC) **** SPACE WEATHER OUTLOOK **** Summary For June 8-14 - G1 (Minor) geomagnetic storrming was observed on 11 Jun due to negative polarity CH HSS and weak CME effects. - No R1 or greater events were observed during the period. - No S1 or greater solar radiation storm events were observed during the p ...Continue Reading