Space Weather Message Code: ALTEF3 Serial Number: 2881 Issue Time: 2018 Dec 12 0931 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2880 Begin Time: 2018 Dec 10 2010 UTC Yesterday Maximum 2MeV Flux: 2715 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

Tuesday, December 11, 2018 DOIs: 10.5067/TEMSC-3MJC6 & 10.5067/TEMSC-3MJ06 The PO.DAAC is pleased to announce the public release of the JPL Tellus GRACE Mascon RL06 version 1.0  datasets. More information regarding the GRACE mission is available from the GRACE Tellus website and also via PO.DAAC’s GRACE mission webpage. Several enhancements over the previous release (RL05, DOIs: 10.5067/TEMSC-2LCR5 & 10.5067/TEMSC-2CL05) are implemented including: [*]Updated background force models, including static gravit ...Continue Reading

:Product: Solar Region Summary :Issued: 2018 Dec 12 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 346 Issued at 0030Z on 12 Dec 2018 Report compiled from data received at SWO on 11 Dec I. Regions with Sunspots. Locations Valid at 11/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2730 N08E17 094 0010 Axx 02 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 11 ...Continue Reading

The latest from NASA's Earth Observatory (11 December 2018) ------------------------------------------------------------------------ New Features: https://earthobservatory.nasa.gov/Features/ * Shrinking Aral Sea https://earthobservatory.nasa.gov/features/videos/shrinking-aral-sea?src=eoa-features Once the fourth-largest lake in the world, the Aral Sea has been slowly disappearing since the 1960s. View how the lake has shrunk over the past few decades. -------------------- Latest Images: https://earthobservatory. ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2880 Issue Time: 2018 Dec 11 1300 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2879 Begin Time: 2018 Dec 10 2010 UTC Yesterday Maximum 2MeV Flux: 1081 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 Dec 11 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 345 Issued at 0030Z on 11 Dec 2018 Report compiled from data received at SWO on 10 Dec I. Regions with Sunspots. Locations Valid at 10/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 10/2400Z Dec Nmbr Location Lo None ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2879 Issue Time: 2018 Dec 10 2026 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2018 Dec 10 2010 UTC Station: GOES-15 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 subscr ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- SEVERE STORMS (2 updated events, 3 new images) -- 2018-19 WINTER IN THE UNITED STATES A gallery of notable snow and ice storms for the season. * A Wintry Great Lakes Landscape (Image from Dec 9, 2018; Posted Dec 10, 2018) https://earthobservatory.nasa.gov/images/144365/a-wintry-great-lakes-landscape/?src=nha * Winter Arrives in the Sierra Nevada (Image from Dec 2, 2018; Post ...Continue Reading

The following sections have been updated in the past 3 days. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- 2018-19 WINTER IN THE UNITED STATES A gallery of notable snow and ice storms for the season. * A Wintry Great Lakes Landscape (Image from Dec 9, 2018; Posted Dec 10, 2018) https://earthobservatory.nasa.gov/images/144365/a-wintry-great-lakes-landscape/?src=nha --------------------------------------------------------------------- N ...Continue Reading

  December 10, 2018 RELEASE 18-114 *NASA’s Newly Arrived OSIRIS-REx Spacecraft Already Discovers Water on Asteroid* This mosaic image of asteroid Bennu is composed of 12 PolyCam images collected on Dec. 2 by the OSIRIS-REx spacecraft from a range of 15 miles (24 km). */Credits: NASA/Goddard/University of Arizona/* Recently analyzed data from NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) mission has revealed water ...Continue Reading