The latest from NASA's Earth Observatory (14 November 2017) ------------------------------------------------------------------------ New Features: https://earthobservatory.nasa.gov/Features/ * Africa's Great Lake Hanging in the Balance: Scientists Monitor the Rise and Fall of Lake Chad https://earthobservatory.nasa.gov/Features/LakeChad/?src=eoa-features More than 30 million people in Africa depend on Lake Chad for fresh water. But satellite and ground-based data show that the once-great lake now spans less than a ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2705 Issue Time: 2017 Nov 15 0905 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2704 Begin Time: 2017 Nov 08 1100 UTC Yesterday Maximum 2MeV Flux: 12790 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: 2017 Nov 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 319 Issued at 0030Z on 15 Nov 2017 Report compiled from data received at SWO on 14 Nov I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2687 S08E64 181 0050 Cao 07 04 Beta IA. H-alpha Plages without Spots. Locations Valid at 14/ ...Continue Reading

Hello Earth Observatory subscribers, It has come to our attention that the weekly Earth Observatory update did not get distributed through our list provider for the past two weeks. So, this update covers October 24-November 7 and then the regular weekly update for this past week will be sent tomorrow morning (Wednesday, November 15). Thank you for your patience, and for the emails from those of you who noticed the lapse. Kevin ------------------------------------------------------------------------ New Features: h ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2704 Issue Time: 2017 Nov 14 0606 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2703 Begin Time: 2017 Nov 08 1100 UTC Yesterday Maximum 2MeV Flux: 20582 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: 2017 Nov 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 318 Issued at 0030Z on 14 Nov 2017 Report compiled from data received at SWO on 13 Nov I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 13/2400Z Nov Nmbr Location Lo None ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- DUST AND HAZE (1 updated event, 1 new image) -- HAZE ALONG THE HIMALAYA Haze and fog along the Himalaya range. * Haze Blankets Northern India (Image from Nov 7, 2017; Posted Nov 9, 2017) https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=91240&src=nha --------------------------------------------------------------------- Natural Hazards is a service of NASA's Earth Ob ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #17-46 2017 November 12 at 10:13 p.m. MST (2017 November 13 0513 UTC) **** SPACE WEATHER OUTLOOK **** Summary For November 6-12 G1-G2 (Minor-Moderate) geomagnetic storm levels were observed on 07-08 November due to recurrent coronal hole high speed stream effects. Outlook For November 13-19 There is a chance for G1 (Minor) geomagnetic storm levels on 14-15 November due ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2703 Issue Time: 2017 Nov 13 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2702 Begin Time: 2017 Nov 08 1100 UTC Yesterday Maximum 2MeV Flux: 23581 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: 2017 Nov 13 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 317 Issued at 0030Z on 13 Nov 2017 Report compiled from data received at SWO on 12 Nov I. Regions with Sunspots. Locations Valid at 12/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 12/2400Z Nov Nmbr Location Lo None ...Continue Reading