:Product: Solar Region Summary :Issued: 2026 Jun 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 172 Issued at 0030Z on 21 Jun 2026 Report compiled from data received at SWO on 20 Jun I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4465 N08W90 293 0060 Cso 03 02 Beta 4470 N08E14 189 0090 Dao 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jun 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 171 Issued at 0030Z on 20 Jun 2026 Report compiled from data received at SWO on 19 Jun I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4465 N07W76 292 0090 Cso 03 04 Beta 4470 N06E28 188 0090 Dao 0 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Jun 19 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 170 Issued at 0030Z on 19 Jun 2026 Report compiled from data received at SWO on 18 Jun I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4465 N07W62 291 0090 Cso 04 05 Beta 4470 N07E40 186 0070 Dao 0 ...Continue Reading

El Niño; Declining Reservoir; Pumice Rafts   June 18, 2026 Natural Events   This Week's Natural Event Images View the natural events archive El Niño Is Underway Satellite observations of sea surface height indicated that the 2026 event continued to strengthen in early June. Background reading: What is an El Niño? If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half a wo ...Continue Reading

El Niño Is Underway   June 18, 2026 Natural Events   Latest Natural Event Images View the natural events archive El Niño Is Underway Satellite observations of sea surface height indicated that the 2026 event continued to strengthen in early June. Background reading: What is an El Niño? If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half a world away—study El Niñ ...Continue Reading

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