:Product: Solar Region Summary :Issued: 2019 Apr 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 109 Issued at 0030Z on 19 Apr 2019 Report compiled from data received at SWO on 18 Apr I. Regions with Sunspots. Locations Valid at 18/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2738 N06W76 301 0260 Hhx 03 01 Alpha 2739 N05W33 258 0020 Cro 02 02 Beta IA. H-alpha P ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 Apr 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 108 Issued at 0030Z on 18 Apr 2019 Report compiled from data received at SWO on 17 Apr I. Regions with Sunspots. Locations Valid at 17/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2738 N06W62 301 0400 Hhx 03 01 Alpha 2739 N05W17 256 0010 Bxo 03 03 Beta IA. H-alpha P ...Continue Reading

Space Weather News for April 17, 2019 http://spaceweather.com https://www.spaceweatheralerts.com NEUTRONS ON A PLANE: Spaceweather.com has continued its survey of cosmic ray neutrons at aviation altitudes with additional flights over the continental United States. Our bubble chambers easily detect energetic neutrons, with whole body doses on individual cross-country flights comparable to panoramic dental X-rays. Dose rates on domestic flights over CONUS equal or exceed the international fligh ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 Apr 17 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 107 Issued at 0030Z on 17 Apr 2019 Report compiled from data received at SWO on 16 Apr I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2738 N06W48 300 0330 Hhx 03 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 16 ...Continue Reading

The latest from NASA's Earth Observatory (16 April 2019) ------------------------------------------------------------------------ Latest Images: https://earthobservatory.nasa.gov/topic/image-of-the-day * Melting on Lake Balkhash https://earthobservatory.nasa.gov/images/144833/melting-on-lake-balkhash/?src=eoa-iotd * Another Blizzard Wallops the Upper Midwest https://earthobservatory.nasa.gov/images/144829/another-blizzard-wallops-the-upper-midwest/?src=eoa-iotd * Return of the GEDI's First Data https://eartho ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- 2018-19 WINTER IN THE UNITED STATES A gallery of notable cold snaps and snow and ice storms for the season. * Another Blizzard Wallops the Upper Midwest (Image from Apr 13, 2019; Posted Apr 15, 2019) https://earthobservatory.nasa.gov/images/144829/another-blizzard-wallops-the-upper-midwest/?src=nha -------------------------------- ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 Apr 16 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 106 Issued at 0030Z on 16 Apr 2019 Report compiled from data received at SWO on 15 Apr I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2738 N06W34 299 0300 Hhx 04 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 15 ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- FIRES (2 updated events, 2 new images) -- FIRES IN SOUTHEAST ASIA The fire season in southeast Asia typically winds down after March. But in mid-April, the landscape remained peppered with numerous fires. * Unhealthy Smoke Over Thailand (Image from Apr 12, 2019; Posted Apr 12, 2019) https://earthobservatory.nasa.gov/images/144823/unhealthy-smoke-over-thailand/?src=nha WILDFIR ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2934 Issue Time: 2019 Apr 15 1734 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2933 Begin Time: 2019 Apr 11 1450 UTC Yesterday Maximum 2MeV Flux: 4294 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

Space Weather News for April 15, 2019 http://spaceweather.com https://www.spaceweatheralerts.com SUNSPOT RADIO BURSTS: Massive sunspot AR2738 is sending bursts of radio energy toward Earth strong enough to make audible noises in the loudspeakers of common shortwave receivers.  An amateur radio astronomer in New Mexico recorded some of the bursts this weekend--and they sound like ocean surf. Visit today's edition of Spaceweather.com to hear the sounds and find out how you can detect them ...Continue Reading