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

:Product: Solar Region Summary :Issued: 2011 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 2011 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 1191 N08W52 283 0010 Hrx 01 01 Alpha 1193 N16W32 264 0300 Ehi 13 20 Beta 1195 S17E43 ...Continue Reading

Space Weather News for April 21, 2010 http://spaceweather.com LYRID METEOR SHOWER: Earth is entering a stream of dusty debris from Comet Thatcher, source of the annual Lyrid meteor shower. Forecasters expect the shower to peak on April 22nd with as many as 20 meteors per hour, although visibility will be reduced by bright moonlight. The best time to look, no matter where you live, is Friday morning during the hours before local dawn. Visit http://spaceweather.com for live meteor counts and more information. BIG SUNS ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 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 2011 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 1190 N14W94 339 0060 Cao 02 02 Beta 1191 N07W39 284 0015 Hrx 02 01 Alpha 1193 N16W20 ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 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 2011 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 1190 N12W82 339 0260 Dko 05 04 Beta 1191 N08W24 280 0050 Cso 07 05 Beta 1193 N17W08 ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #11- 19 2011 April 19 at 12:12 p.m. MDT (2011 April 19 1812 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 11-17 A geomagnetic storm reaching the G1 (Minor) level occurred on 12 April due to the effects of a coronal hole high-speed stream. An R1 (Minor) radio blackout was observed at 15/1712 UTC associated with a solar flare. Outlook For April 20-26 No space weat ...Continue Reading