Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #18-18 2018 April 29 at 7:46 p.m. MDT (2018 April 30 0146 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 23-29 No significant space weather was observed during the summary period. Outlook For April 30-May 6 No significant space weather is expected during the outlook period. Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, ...Continue Reading

:Product: Solar Region Summary :Issued: 2018 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 2018 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 None IA. H-alpha Plages without Spots. Locations Valid at 29/2400Z Apr Nmbr Location Lo 2706 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2777 Issue Time: 2018 Apr 29 1706 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2776 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 1250 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 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 2018 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 None IA. H-alpha Plages without Spots. Locations Valid at 28/2400Z Apr Nmbr Location Lo 2706 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2776 Issue Time: 2018 Apr 28 1635 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2775 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 3226 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 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 2018 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 2706 N03W40 284 0010 Axx 01 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 27 ...Continue Reading

Space Weather News for April 27, 2018 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom A SPECIAL CONJUNCTION OF THE MOON AND JUPITER: This weekend, the Moon and Jupiter are converging in the constellation Libra for a special conjunction. Jupiter is approaching Earth for a close encounter in early May, making the giant planet extra big and bright. On Sunday night, April 29th, the Moon will turn full just as it glides past the brightening gas giant. It adds up to a display of ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2775 Issue Time: 2018 Apr 27 0859 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2774 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 4842 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 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 2018 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 2706 N03W27 284 0020 Hrx 01 04 Alpha IA. H-alpha Plages without Spots. Locations Valid at 26 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2774 Issue Time: 2018 Apr 26 1316 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2773 Begin Time: 2018 Apr 10 1830 UTC Yesterday Maximum 2MeV Flux: 5209 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