Space Weather Message Code: ALTEF3 Serial Number: 1894 Issue Time: 2012 Apr 30 0504 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1893 Begin Time: 2012 Apr 25 0220 UTC Yesterday Maximum 2MeV Flux: 5537 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Ser ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 121 Issued at 0030Z on 30 Apr 2012 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 1465 S18W80 057 0090 Cso 04 04 Beta 1466 N13W65 042 0140 Dso 07 06 Beta 1467 N12E04 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 1893 Issue Time: 2012 Apr 29 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1892 Begin Time: 2012 Apr 25 0220 UTC Yesterday Maximum 2MeV Flux: 9630 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Ser ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 120 Issued at 0030Z on 29 Apr 2012 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 1465 S18W66 055 0130 Dai 05 12 Beta-Gamma 1466 N12W51 040 0070 Cso 05 06 Beta 1467 N12 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 1892 Issue Time: 2012 Apr 28 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1891 Begin Time: 2012 Apr 25 0220 UTC Yesterday Maximum 2MeV Flux: 8210 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Ser ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 119 Issued at 0030Z on 28 Apr 2012 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 1459 S19W88 091 0030 Cao 04 04 Beta 1465 S17W53 056 0180 Dai 05 11 Beta-Gamma-Delta 14 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- DUST, SMOKE, AND HAZE (1 updated events, 1 new images) -- GOBI DESERT DUST STORM Dust plumes blew out of the Gobi Desert in late April 2012. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=77771&src=nha *** MODIS(Aqua) image from Apr 26, 2012 (Posted on Apr 26, 2012 3:36 PM) --------------------------------------------------------------------- Natural Hazards is a s ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 1891 Issue Time: 2012 Apr 27 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1890 Begin Time: 2012 Apr 25 0220 UTC Yesterday Maximum 2MeV Flux: 2637 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Ser ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 118 Issued at 0030Z on 27 Apr 2012 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 1459 S16W78 093 0070 Dsi 09 10 Beta 1460 N15W93 108 0060 Cso 01 01 Beta 1465 S18W39 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- VOLCANOES AND EARTHQUAKES (1 updated events, 1 new images) -- ACTIVITY AT POPOCATéPETL Popocatépetl has been erupting since January 2005, with near constant venting from fumaroles punctuated by minor steam, gas, and ash emissions. Plumes are occasionally visible from Mexico City, only 70 kilometers (40 miles) to the northwest. * http://earthobservatory.nasa. ...Continue Reading