Space Weather News for April 23, 2015 http://spaceweather.com The Calbuco volcano in southern Chile erupted yesterday. Two blasts in 24 hours on April 22nd sent plumes of ash and sulfurous gas shooting at least 33,000 feet high. One of the eruptions occured at night and put on a spectacular display of rare and mysterious volcanic lightning. Visit http://spaceweather.com for a picture of the lightning and a discussion of its underlying physics. You are subscribed to the Space Weather mailing list, a free service of S ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- VOLCANOES AND EARTHQUAKES (1 updated events, 1 new images) -- ERUPTION OF CALBUCO VOLCANO On April 22, Calbuco Volcano in Chile erupted. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=85767&src=nha *** Image from Apr 23, 2015 (Posted on Apr 23, 2015 12:51 PM) --------------------------------------------------------------------- Natural Hazards is a service of NASA' ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 Apr 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 113 Issued at 0030Z on 23 Apr 2015 Report compiled from data received at SWO on 22 Apr I. Regions with Sunspots. Locations Valid at 22/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2321 N07W73 089 0030 Hsx 01 01 Alpha 2324 N19W47 063 0165 Cai 11 14 Beta 2325 N06W39 ...Continue Reading

:Product: Solar Region Summary :Issued: 2015 Apr 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 112 Issued at 0030Z on 22 Apr 2015 Report compiled from data received at SWO on 21 Apr I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2321 N07W58 087 0030 Hsx 01 01 Alpha 2322 N11W87 116 0060 Dac 09 10 Beta 2324 N19W33 ...Continue Reading

There are (so far) 1,800 known planets beyond our solar system, but among all of them, there's no place like Earth. This Earth Day, April 22, NASA is asking you to share pictures and video of your favorite places on Earth using social media – and tag them #NoPlaceLikeHome. http://go.nasa.gov/1FcgoDk The latest from NASA's Earth Observatory (21 April 2015) ------------------------------------------------------------------------   Latest Images: http://earthobservatory.nasa.gov/IOTD/ * Global Views of Our Planet, T ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 2177 Issue Time: 2015 Apr 21 1412 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 2176 Begin Time: 2015 Apr 16 1330 UTC Yesterday Maximum 2MeV Flux: 2619 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: 2015 Apr 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 111 Issued at 0030Z on 21 Apr 2015 Report compiled from data received at SWO on 20 Apr I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 2321 N10W49 090 0080 Cso 14 09 Beta 2322 N11W71 112 0030 Cro 03 03 Beta 2324 N19W16 ...Continue Reading

Space Weather News for April 20, 2015 http://spaceweather.com High-latitude sky watchers should be alert for auroras this week when a solar wind stream and a faint CME are expected to hit Earth's magnetic field in quick succession. NOAA forecasters estimate a 45% to 65% chance of polar geomagnetic storms on April 21-22. At the same time, Earth will be passing through a stream of debris from Comet Thatcher, source of the annual Lyrid meteor shower. Sky watchers are already seeing a smattering of late-night fireballs ...Continue Reading

The following sections have been updated in the past 7 days. ------------------------------------------------------------------------ -- FIRES (1 updated events, 1 new images) -- FIRES IN SOUTHERN SIBERIA Many seasonal spring fires have escaped control in southern Siberia. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=85707&src=nha *** Image from Apr 14, 2015 (Posted on Apr 15, 2015 4:32 PM) -- SEVERE STORMS (1 updated events, 1 new images) -- TORNADO IN NORTHERN ILLINOIS An EF-4 tornado touched do ...Continue Reading

On Monday April 20th SWPC will begin a test of its emergency backup system at 18:00 UT. The test will run until April 21st at 01:00 UT.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact SWPC Help. Forward this Message to a Friend » Subscription Reminder: Y ...Continue Reading