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

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #19-15 2019 April 14 at 7:26 p.m. MDT (2019 April 15 0126 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 8-14 No significant space weather activity was observed during the summary period. Outlook For April 15-21 No significant space weather activity is expected during the outlook period. Data used to provide space weather services are contributed by NOAA, US ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 Apr 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 105 Issued at 0030Z on 15 Apr 2019 Report compiled from data received at SWO on 14 Apr I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2738 N06W19 297 0250 Hhx 06 01 Alpha IA. H-alpha Plages without Spots. Locations Valid at 14 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2933 Issue Time: 2019 Apr 14 0900 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2932 Begin Time: 2019 Apr 11 1450 UTC Yesterday Maximum 2MeV Flux: 4637 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: 2019 Apr 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 104 Issued at 0030Z on 14 Apr 2019 Report compiled from data received at SWO on 13 Apr I. Regions with Sunspots. Locations Valid at 13/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2738 N06W06 297 0300 Cho 05 04 Beta IA. H-alpha Plages without Spots. Locations Valid at 13/ ...Continue Reading

Space Weather News for April 13, 2019 http://spaceweather.com https://www.spaceweatheralerts.com WATCH A SUNSPOT CRACK UP: This weekend, one of the largest sunspots in recent years is directly facing Earth. The behemoth is not producing strong flares, but it is doing something rare and interesting. A canyon of light (called a "light bridge") is opening inside the sunspot's dark core, presaging a possible disruptive breakup. The scale of the spot makes it an easy target for amateur a ...Continue Reading