Tournament Earth 2016: Semifinals - vote now! Voting is now open for the semifinal round of Tournament: Earth. The last four images are ready to face off. Which images will make it to the finals? Vote before the polls close at 4pm ET on Friday, March 25. http://earthobservatory.nasa.gov/TournamentEarth/?src=nha-ann ------------------------------------------------------------------------ The following sections have been updated in the past 7 days. --------------------------------------------------------------------- ...Continue Reading

Tournament Earth 2016: Semifinals - vote now! Voting is now open for the semifinal round of Tournament: Earth. The last four images are ready to face off. Which images will make it to the finals? Vote before the polls close at 4pm ET on Friday, March 25. http://earthobservatory.nasa.gov/TournamentEarth/?src=nha-ann ------------------------------------------------------------------------ --------------------------------------------------------------------- Natural Hazards is a service of NASA's Earth Observatory. htt ...Continue Reading

:Product: Solar Region Summary :Issued: 2016 Mar 21 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 81 Issued at 0030Z on 21 Mar 2016 Report compiled from data received at SWO on 20 Mar I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2519 N03W74 014 0070 Hsx 01 01 Alpha 2524 N15E21 278 0240 Eso 12 04 Beta IA. H-alpha Pl ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #16-12 2016 March 20 at 6:09 p.m. MDT (2016 March 21 0009 UTC) **** SPACE WEATHER OUTLOOK **** Summary For March 14-20 G1 (Minor) geomagnetic storms were observed on 14 - 17 March in response to coronal hole high speed stream effects. No other space weather storms were observed. Outlook For March 21-27 No space weather storms are predicted for the outlook period. Da ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2339 Issue Time: 2016 Mar 20 1545 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2016 Mar 20 1530 UTC Station: GOES13 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

:Product: Solar Region Summary :Issued: 2016 Mar 20 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 80 Issued at 0030Z on 20 Mar 2016 Report compiled from data received at SWO on 19 Mar I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2519 N04W62 015 0070 Hsx 01 01 Alpha 2524 N15E36 277 0280 Eho 12 05 Beta IA. H-alpha Pl ...Continue Reading

:Product: Solar Region Summary :Issued: 2016 Mar 19 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 79 Issued at 0030Z on 19 Mar 2016 Report compiled from data received at SWO on 18 Mar I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2519 N04W48 015 0070 Hsx 02 02 Alpha 2524 N15E49 278 0230 Eao 11 07 Beta IA. H-alpha Pl ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2338 Issue Time: 2016 Mar 18 0653 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2337 Begin Time: 2016 Mar 16 1300 UTC Yesterday Maximum 2MeV Flux: 2338 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: 2016 Mar 18 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 78 Issued at 0030Z on 18 Mar 2016 Report compiled from data received at SWO on 17 Mar I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2519 N04W33 013 0080 Cso 03 03 Beta 2521 N18W49 029 0010 Axx 01 02 Alpha 2523 S09W35 ...Continue Reading

Space Weather News for March 17, 2016 http://spaceweather.com GREEN COMET APPROACHES EARTH: There's no danger of a collision.  However, a small green comet named "252P/LINEAR" is about to make one of the closest approaches to Earth of any comet in modern times, sailing just 5.4 million km from our planet on March 21st.  Moreover, the comet appears to have company: A possible fragment of 252P/LINEAR will fly by just one day later. A weak meteor shower ...Continue Reading