Space Weather News for March 21, 2019 http://spaceweather.com https://www.spaceweatheralerts.com BIG SUNSPOT: Sunspot AR2736, which hurled a CME toward Earth yesterday, is growing larger and crackling with C-class solar flares. The active region now sprawls across more than 100,000 km of the solar disk and contains multiple dark cores as large as Earth, making it one of the biggest sunspots in recent years. Visit Spaceweather.com to watch a movie of the growing spot and to find out what makes ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 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 2019 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 2735 N02W12 260 0010 Axx 01 02 Alpha 2736 N09W35 283 0050 Dac 05 06 Beta IA. H-alpha Pl ...Continue Reading

Space Weather News for March 20, 2019 http://spaceweather.com https://www.spaceweatheralerts.com EARTH-DIRECTED SOLAR FLARE: A new and rapidly growing sunspot, AR2736, announced itself this morning with a C4-class solar flare. The Earth-directed explosion sent minor waves of ionization rippling through Earth's upper atmosphere and caused a shortwave radio "brownout" over parts of Europe and Africa. Moreover, the explosion hurled a coronal mass ejection (CME) into space, which might ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- FLOODS (1 updated event, 2 new images) -- FLOODING ALONG THE MISSISSIPPI 2019 A wet fall and winter contributed to widespread flooding along the Mississippi River and its tributaries. * Flooding on the Lower Mississippi Continues (Image from Mar 19, 2019; Posted Mar 20, 2019) https://earthobservatory.nasa.gov/images/144701/flooding-on-the-lower-mississippi-continues/?src=nha ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 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 79 Issued at 0030Z on 20 Mar 2019 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 2735 N03E02 259 0020 Cro 05 05 Beta IA. H-alpha Plages without Spots. Locations Valid at 19/2 ...Continue Reading

The latest from NASA's Earth Observatory (19 March 2019) ------------------------------------------------------------------------ Latest Images: https://earthobservatory.nasa.gov/topic/image-of-the-day * Icy Floodwaters Grind Through Iowa https://earthobservatory.nasa.gov/images/144696/icy-floodwaters-grind-through-iowa/?src=eoa-iotd * Historic Floods Inundate Nebraska https://earthobservatory.nasa.gov/images/144691/historic-floods-inundate-nebraska/?src=eoa-iotd * Wildflower Super Bloom Returns to California ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2923 Issue Time: 2019 Mar 19 2056 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2019 Mar 19 2040 UTC Station: GOES15 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: 2019 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 78 Issued at 0030Z on 19 Mar 2019 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 2735 N03E17 257 0010 Bxo 03 03 Beta IA. H-alpha Plages without Spots. Locations Valid at 18/2 ...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 cold snaps and snow and ice storms for the season. * Wildflower Super Bloom Returns to California (Image from Mar 13, 2019; Posted Mar 16, 2019) https://earthobservatory.nasa.gov/images/144686/wildflower-super-bloom-returns-to-california/?src=nha -- FLOODS (1 updated event, ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- SEVERE STORMS (2 updated events, 3 new images) -- TROPICAL CYCLONES IN THE SOUTHWEST INDIAN OCEAN Most tropical cyclone activity in this basin tends to occur between late October and May. * Tropical Cyclone Idai Aims at Mozambique (Image from Mar 12, 2019; Posted Mar 12, 2019) https://earthobservatory.nasa.gov/images/144667/tropical-cyclone-idai-aims-at-mozambique/?src=nha 20 ...Continue Reading