Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-17 2026 April 26 at 11:47 p.m. MDT (2026 April 27 0547 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 20-26 R1 (Minor) radio blackouts were observed on 23-26 Apr due to activity from Regions 4419. 4420, 4423, and 4425. R2 (Moderate) radio blackouts were observed on 24 Apr and 26 Apr due to activity from Region 4419 and 4420. R3 (Strong) radio black ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Apr 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 117 Issued at 0030Z on 27 Apr 2026 Report compiled from data received at SWO on 26 Apr I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4420 N16W16 227 0380 Fkc 16 30 Beta-Gamma-Delta 4421 S12W03 213 ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Apr 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 115 Issued at 0030Z on 25 Apr 2026 Report compiled from data received at SWO on 24 Apr I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4419 N15W79 316 0230 Eso 12 07 Beta-Gamma-Delta 4420 N17E10 227 ...Continue Reading

Smoke Shrouds Thailand; Mud Volcano Islands in Azerbaijan   April 24, 2026 Natural Events   This Week's Natural Event Images View the natural events archive Smoke Shrouds Northern Thailand Seasonal fires have darkened skies over Southeast Asia. A School of Mud Volcano Islands in Azerbaijan The tadpole-shaped islands along the Absheron Peninsula were born by explosive mud volcano eruptions and reshaped by erosion.     ...Continue Reading

NASA News   MEDIA ADVISORY M26-034 APRIL 24, 2026 HUMANS IN SPACE NASA Astronauts to Answer Questions from Missouri Students NASA astronauts (from left) Jack Hathaway and Jessica Meir are photographed on Jan. 12, 2026, in their pressure suits and inside the Dragon spacecraft during the Crew Equipment Interface Test at NASA’s Kennedy Space Center in Florida. The goal of the training is to rehearse launch day activities and get a close look at the spacecraft that w ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3684 Issue Time: 2026 Apr 24 0505 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3683 Begin Time: 2026 Apr 19 1920 UTC Yesterday Maximum 2MeV Flux: 3446 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 Apr 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 114 Issued at 0030Z on 24 Apr 2026 Report compiled from data received at SWO on 23 Apr I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4419 N15W63 312 0220 Eso 13 07 Beta-Gamma-Delta 4420 N16E25 225 ...Continue Reading

NASA News   RELEASE 26-036 APRIL 23, 2026 HUMANS IN SPACE NASA Shares SpaceX Crew-13 Assignments for Space Station Mission From left to right, NASA astronauts Jessica Watkins and Luke Delaney, CSA (Canadian Space Agency) astronaut Joshua Kutryk, and Roscosmos cosmonaut Sergey Teteryatnikov. Credit: NASA As part of NASA’s SpaceX Crew-13 mission, four crew members from three space agencies will launch no earlier than mid-September to the Internati ...Continue Reading

Smoke Shrouds Northern Thailand   April 23, 2026 Natural Events   Latest Natural Event Images View the natural events archive Smoke Shrouds Northern Thailand Seasonal fires have darkened skies over Southeast Asia.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       NASA Earth Science Division ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3683 Issue Time: 2026 Apr 23 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3682 Begin Time: 2026 Apr 19 1920 UTC Yesterday Maximum 2MeV Flux: 4922 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