Space Weather News for April 30, 2011 http://spaceweather.com GEOMAGNETIC STORM: A solar wind stream hit Earth's magnetic field during the early hours of April 30th, sparking a G1-class geomagnetic storm. Northern Lights descended as far south as Michigan in the United States. High-latitude sky watchers should remain alert for auroras (http://spaceweatherphone.com) tonight as the solar wind continues to blow. Photos of the April 30th display are highlighted on today's edition of http://SpaceWeather.com. TRACK THE ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 30 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 120 Issued at 0030Z on 30 Apr 2011 Report compiled from data received at SWO on 29 Apr I. Regions with Sunspots. Locations Valid at 29/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1195 S15W65 192 0170 Dho 08 04 Beta 1196 S30W45 172 0010 Bxo 01 02 Beta 1199 N18W62 ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 29 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 119 Issued at 0030Z on 29 Apr 2011 Report compiled from data received at SWO on 28 Apr I. Regions with Sunspots. Locations Valid at 28/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1195 S18W52 192 0220 Dho 10 06 Beta 1196 S23W32 172 0010 Bxo 02 02 Beta 1199 N18W48 ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 28 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 118 Issued at 0030Z on 28 Apr 2011 Report compiled from data received at SWO on 27 Apr I. Regions with Sunspots. Locations Valid at 27/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1195 S17W38 191 0230 Dho 10 07 Beta 1199 N21W34 187 0120 Dai 07 12 Beta IA. H-alpha Pl ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 27 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 117 Issued at 0030Z on 27 Apr 2011 Report compiled from data received at SWO on 26 Apr I. Regions with Sunspots. Locations Valid at 26/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1195 S17W25 191 0210 Eho 10 04 Beta 1196 S28E02 164 0005 Axx 01 01 Alpha 1199 N21W23 ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #11- 20 2011 April 26 at 10:05 a.m. MDT (2011 April 26 1605 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 18-24 An R1 (Minor) radio blackout was observed on 22 April a 0457Z. Outlook For April 27-May 3 No space weather storms are expected. Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, USGS, the International Space Environ ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 26 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 116 Issued at 0030Z on 26 Apr 2011 Report compiled from data received at SWO on 25 Apr I. Regions with Sunspots. Locations Valid at 25/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1193 N16W84 262 0270 Dso 09 08 Beta 1195 S16W12 190 0400 Ehi 10 25 Beta 1196 S26E11 ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 25 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 115 Issued at 0030Z on 25 Apr 2011 Report compiled from data received at SWO on 24 Apr I. Regions with Sunspots. Locations Valid at 24/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1193 N18W73 265 0200 Cao 07 18 Beta 1195 S15W00 192 0300 Dho 11 23 Beta 1196 S25E21 ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 24 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 114 Issued at 0030Z on 24 Apr 2011 Report compiled from data received at SWO on 23 Apr I. Regions with Sunspots. Locations Valid at 23/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1193 N17W57 262 0270 Eki 09 18 Beta-Gamma 1195 S16E14 191 0310 Ekc 08 22 Beta-Gamma 11 ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 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 2011 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 1191 N08W66 284 0010 Axx 02 03 Alpha 1193 N17W45 264 0190 Esi 13 16 Beta 1195 S18E28 ...Continue Reading