Space Weather Message Code: ALTEF3 Serial Number: 3139 Issue Time: 2021 Apr 30 1603 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2021 Apr 30 1530 UTC Station: GOES16 NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation 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 subscri ...Continue Reading

Space Weather News for April 30, 2021 https://spaceweather.com https://www.spaceweatheralerts.com A TIMELINE OF GREAT AURORA STORMS: New research shows that great aurora storms happen on average every 40 to 60 years--a lot more often than previously thought. During these events, auroras spread almost all the way to Earth's equator. One such storm in 1770 lasted 9 consecutive days. Full Story @ Spaceweather.com. Aurora alerts: Sign up for Space Weather Alerts and receive a text message when ge ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 30 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 120 Issued at 0030Z on 30 Apr 2021 Report compiled from data received at SWO on 29 Apr I. Regions with Sunspots. Locations Valid at 29/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2818 S16W53 205 0020 Hsx 01 01 Alpha 2820 S22W57 209 0030 Cro 10 05 Beta 2821 S21W74 ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- FIRES (1 updated event, 1 new image) -- 2021 FIRE SEASON IN THE NORTHERN HEMISPHERE Whether sparked by lightning, intentional land-clearing, or human-caused accidents, wildfires are burning longer and more often in some northern latitudes as the world warms. * Wildfires and Smoke in Siberia (Image from Apr 22, 2021; Posted Apr 28, 2021) https://earthobservatory.nasa.gov/images/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 29 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 119 Issued at 0030Z on 29 Apr 2021 Report compiled from data received at SWO on 28 Apr I. Regions with Sunspots. Locations Valid at 28/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2818 S17W39 203 0010 Hsx 01 01 Alpha 2820 S22W44 208 0030 Dao 11 06 Beta 2821 S22W56 ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 Apr 28 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 118 Issued at 0030Z on 28 Apr 2021 Report compiled from data received at SWO on 27 Apr I. Regions with Sunspots. Locations Valid at 27/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2818 S17W27 204 0010 Hsx 01 01 Alpha 2820 S21W32 210 0070 Esi 11 11 Beta 2821 S23W43 ...Continue Reading

The latest from NASA's Earth Observatory (27 April 2021) ------------------------------------------------------------------------ Latest Images: https://earthobservatory.nasa.gov/topic/image-of-the-day * China's Red Rocks and Rainbow Ridges https://earthobservatory.nasa.gov/images/148234/chinas-red-rocks-and-rainbow-ridges/?src=eoa-iotd * Sizing Up Remote Lakes https://earthobservatory.nasa.gov/images/148230/sizing-up-remote-lakes/?src=eoa-iotd * Fires in the Far East https://earthobservatory.nasa.gov/images/ ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 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 2021 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 2818 S16W13 204 0040 Hsx 01 01 Alpha 2820 S21W18 209 0110 Dsi 08 15 Beta 2821 S21W28 ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- FIRES (1 updated event, 1 new image) -- 2021 FIRE SEASON IN THE NORTHERN HEMISPHERE Whether sparked by lightning, intentional land-clearing, or human-caused accidents, wildfires are burning longer and more often in some northern latitudes as the world warms. * Fires in the Far East (Image from Apr 21, 2021; Posted Apr 23, 2021) https://earthobservatory.nasa.gov/images/148219/f ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #21-19 2021 April 25 at 9:13 p.m. MDT (2021 April 26 0313 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 19-25 G1 (Minor) conditions were observed on 23 Apr due to coronal hole influence and again on 25 Apr due to CME effects. No other space weather storms were observed during the summary period. Outlook For April 26-May 2 No space weather storms are expected ...Continue Reading