Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #13-16 2013 April 21 at 6:48 p.m. MDT (2013 April 22 0048 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 15-21 No significant space weather storms were observed. Outlook For April 22-28 A chance for R1 - R2 (minor - moderate) solar radio blackouts are possible through 26 April due to complex active Region 1726. This region will rotate off the visible disk on or ...Continue Reading

:Product: Solar Region Summary :Issued: 2013 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 2013 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 1723 S20W57 001 0040 Cso 07 03 Beta 1726 N12W22 326 0260 Ekc 13 36 Beta-Gamma-Delta 17 ...Continue Reading

:Product: Solar Region Summary :Issued: 2013 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 2013 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 1722 S20W86 044 0030 Cro 03 04 Beta 1723 S19W44 001 0060 Cao 07 09 Beta 1724 S26W19 ...Continue Reading

:Product: Solar Region Summary :Issued: 2013 Apr 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 110 Issued at 0030Z on 20 Apr 2013 Report compiled from data received at SWO on 19 Apr I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1721 S18W86 057 0060 Hsx 01 01 Alpha 1722 S21W73 044 0040 Cao 06 06 Beta 1723 S18W32 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- DUST, SMOKE, AND HAZE (1 updated events, 1 new images) -- DUST STORM IN CHINA AND MONGOLIA On April 17, 2013, a dust storm blew through parts of China and Mongolia. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=80940&src=nha *** MODIS(Aqua) image from Apr 17, 2013 (Posted on Apr 18, 2013 2:57 PM) -------------------------------------------------------------------- ...Continue Reading

:Product: Solar Region Summary :Issued: 2013 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 2013 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 1719 N09W91 074 0050 Hsx 02 01 Alpha 1721 S17W75 058 0100 Cso 03 02 Beta 1722 S20W62 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- DUST, SMOKE, AND HAZE (1 updated events, 1 new images) -- DUST OVER THE FOUR CORNERS REGION Dust plumes blew over parts of Arizona, New Mexico, Colorado, and Utah in mid-April 2013. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=80933&src=nha *** MODIS(Aqua) image from Apr 16, 2013 (Posted on Apr 17, 2013 6:26 PM) --------------------------------------------------- ...Continue Reading

:Product: Solar Region Summary :Issued: 2013 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 2013 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 1719 N10W79 075 0050 Cso 04 03 Beta 1721 S17W61 057 0120 Cso 06 05 Beta 1722 S19W48 ...Continue Reading

:Product: Solar Region Summary :Issued: 2013 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 2013 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 1719 N09W64 074 0060 Cso 03 03 Beta 1721 S18W47 056 0110 Dao 07 06 Beta 1722 S20W36 ...Continue Reading

The latest from NASA's Earth Observatory (16 April 2013) ------------------------------------------------------------------------ Latest Images: http://earthobservatory.nasa.gov/IOTD/ * Earthquake in Southeastern Iran http://earthobservatory.nasa.gov/IOTD/view.php?id=80921&src=eoa-iotd * Eye Exam for a Satellite http://earthobservatory.nasa.gov/IOTD/view.php?id=80913&src=eoa-iotd * Island of Ibiza, Spain http://earthobservatory.nasa.gov/IOTD/view.php?id=80910&src=eoa-iotd * Activity at Tolbachik Volcano ht ...Continue Reading