Tournament Earth: 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 27. http://earthobservatory.nasa.gov/TournamentEarth/?src=nha-ann ------------------------------------------------------------------------ The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ - ...Continue Reading

Tournament Earth: 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 27. http://earthobservatory.nasa.gov/TournamentEarth/?src=nha-ann ------------------------------------------------------------------------ The following sections have been updated in the past 3 days. ------------------------------------------------------------------------ - ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2165 Issue Time: 2015 Mar 23 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2164 Begin Time: 2015 Mar 18 1515 UTC Yesterday Maximum 2MeV Flux: 12337 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

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #15-12 2015 March 22 at 9:31 p.m. MDT (2015 March 23 0331 UTC) **** SPACE WEATHER OUTLOOK **** Summary For March 16-22 Category R1 (Minor) radio blackouts were observed on 16-17 Mar due to flare activity from active sunspot Region 2297. Category G4 (Severe) geomagnetic storms were observed on 17 Mar followed by G2 (Moderate) storms on 18 Mar and G1 (Minor) storms on 19-20 ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 Mar 23 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 82 Issued at 0030Z on 23 Mar 2015 Report compiled from data received at SWO on 22 Mar I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2303 N20W02 067 0100 Cso 03 04 Beta 2305 S08E58 007 0220 Eac 11 10 Beta-Gamma 2306 S18W ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2164 Issue Time: 2015 Mar 22 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2163 Begin Time: 2015 Mar 18 1515 UTC Yesterday Maximum 2MeV Flux: 19858 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: 2015 Mar 22 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 22 Mar 2015 Report compiled from data received at SWO on 21 Mar I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2303 N19E11 067 0120 Hsx 02 01 Alpha 2305 S08E67 011 0120 Dao 04 05 Beta 2306 S17W52 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2163 Issue Time: 2015 Mar 21 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2162 Begin Time: 2015 Mar 18 1515 UTC Yesterday Maximum 2MeV Flux: 22318 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: 2015 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 80 Issued at 0030Z on 21 Mar 2015 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 2303 N19E25 066 0110 Hsx 02 02 Alpha 2304 N16W45 136 0010 Bxo 04 05 Beta IA. H-alpha Pl ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated events, 1 new images) -- CYCLONE NATHAN In March 2015, tropical cyclone Nathan was on a collision course with Queensland, Australia. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=85560&src=nha *** Image from Mar 20, 2015 (Posted on Mar 20, 2015 11:31 AM) -- VOLCANOES AND EARTHQUAKES (1 updated events, 1 new images) -- ERUPTION OF VILLARRIC ...Continue Reading