Space Weather Message Code: ALTEF3 Serial Number: 2764 Issue Time: 2018 Apr 16 1141 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2763 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 6482 pfu 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 Sub ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #18-16 2018 April 15 at 7:30 p.m. MDT (2018 April 16 0130 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 9-15 G1 (Minor) geomagnetic storm conditions were met early on 11 April due to effects from a negative polarity coronal hole high speed stream. No other significant space weather was observed. Outlook For April 16-22 No significant space weather is expecte ...Continue Reading

:Product: Solar Region Summary :Issued: 2018 Apr 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 106 Issued at 0030Z on 16 Apr 2018 Report compiled from data received at SWO on 15 Apr I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 15/2400Z Apr Nmbr Location Lo 2704 ...Continue Reading

Space Weather News for April 15, 2018 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom SURPRISE ASTEROID FLYBY: With little warning, on Sunday, April 15th, a "Tunguska-class" asteroid about the size of a football field flew through the Earth-Moon system. 2018 GE3 was discovered just the day before as it plunged inward from the asteroid belt. A quick-thinking amateur astronomer in Europe was able to record a video of the asteroid as it flew by. Visit Spaceweather.co ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2763 Issue Time: 2018 Apr 15 1246 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2762 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 8730 pfu 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 Sub ...Continue Reading

:Product: Solar Region Summary :Issued: 2018 Apr 15 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 105 Issued at 0030Z on 15 Apr 2018 Report compiled from data received at SWO on 14 Apr I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2704 N12E24 031 0010 Axx 00 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 14 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2762 Issue Time: 2018 Apr 14 0901 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2761 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 21456 pfu 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 Su ...Continue Reading

:Product: Solar Region Summary :Issued: 2018 Apr 14 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 104 Issued at 0030Z on 14 Apr 2018 Report compiled from data received at SWO on 13 Apr I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2704 N12E36 033 0030 Bxo 03 04 Beta IA. H-alpha Plages without Spots. Locations Valid at 13/ ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- VOLCANOES (1 updated event, 1 new image) -- ACTIVITY AT AOBA VOLCANO The volcano on Ambae Island in Vanuatu became increasingly active in mid-March 2018. * Activity at Aoba Volcano (Image from Apr 11, 2018; Posted Apr 12, 2018) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91996&src=nha --------------------------------------------------------------------- Natur ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2761 Issue Time: 2018 Apr 13 0859 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2760 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 25452 pfu 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 Su ...Continue Reading