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

Space Weather News for March 18, 2019 http://spaceweather.com https://www.spaceweatheralerts.com SPRINGTIME CRACKS ARE OPENING IN EARTH'S MAGNETIC FIELD: Studies show that March is the most geomagnetically active month of the year. The reason is springtime. Researchers have long known that around the time of the vernal equinox "cracks" tend to form in Earth's magnetic field. Solar wind pours in to energize magnetic unrest. Such a crack opened this weekend, sparking spectacular North ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #19-11 2019 March 17 at 9:35 p.m. MDT (2019 March 18 0335 UTC) **** SPACE WEATHER OUTLOOK **** Summary For March 11-17 G1 (Minor) geomagnetic storm conditions were observed on 17 Mar. No other space weather storms were observed during the summary period. Outlook For March 18-24 No space weather storms are expected during the outlook period. Data used to provide s ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 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 77 Issued at 0030Z on 18 Mar 2019 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 None IA. H-alpha Plages without Spots. Locations Valid at 17/2400Z Mar Nmbr Location Lo None I ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 Mar 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 76 Issued at 0030Z on 17 Mar 2019 Report compiled from data received at SWO on 16 Mar I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 16/2400Z Mar Nmbr Location Lo None I ...Continue Reading

:Product: Solar Region Summary :Issued: 2019 Mar 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 75 Issued at 0030Z on 16 Mar 2019 Report compiled from data received at SWO on 15 Mar I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type None IA. H-alpha Plages without Spots. Locations Valid at 15/2400Z Mar Nmbr Location Lo None I ...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. * Late-Winter Storm Blasts the Great Plains (Image from Mar 13, 2019; Posted Mar 14, 2019) https://earthobservatory.nasa.gov/images/144673/late-winter-storm-blasts-the-great-plains/?src=nha ---------------------------------- ...Continue Reading