Space Weather Message Code: ALTEF3 Serial Number: 1890 Issue Time: 2012 Apr 26 0729 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1889 Begin Time: 2012 Apr 25 0220 UTC Yesterday Maximum 2MeV Flux: 10980 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 Se ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 117 Issued at 0030Z on 26 Apr 2012 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 1459 S16W65 094 0220 Eai 11 20 Beta 1460 N15W81 110 0150 Cso 06 06 Beta 1465 S17W26 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- FLOODS (1 updated events, 1 new images) -- FLOODING ON THE ARABIAN PENINSULA Torrential rains caused flooding on the Arabian Peninsula in April 2012. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=77758&src=nha *** MODIS(Terra) image from Apr 18, 2012 (Posted on Apr 24, 2012 6:38 PM) --------------------------------------------------------------------- Natural Haz ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 1889 Issue Time: 2012 Apr 25 1139 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1888 Begin Time: 2012 Apr 25 0220 UTC Yesterday Maximum 2MeV Flux: 1060 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

Space Weather Message Code: ALTEF3 Serial Number: 1888 Issue Time: 2012 Apr 25 0234 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2012 Apr 25 0220 UTC Station: GOES13 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 Service. If you would like to remove a product subscription or upda ...Continue Reading

The latest from NASA's Earth Observatory (24 April 2012) ------------------------------------------------------------------------ Latest Images: http://earthobservatory.nasa.gov/IOTD/ * Continuing Eruption of Shiveluch http://earthobservatory.nasa.gov/IOTD/view.php?id=77747&src=eoa-iotd * Lake Sediment Plume in Northern Kazakhstan http://earthobservatory.nasa.gov/IOTD/view.php?id=77742&src=eoa-iotd * Wave Clouds Near ÃŽle aux Cochons, Southern Indian Ocean http://earthobservatory.nasa.gov/IOTD/view.php ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 116 Issued at 0030Z on 25 Apr 2012 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 1459 S16W52 094 0330 Eki 12 25 Beta 1460 N16W65 107 0180 Dso 10 10 Beta 1462 S25W95 ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- DUST, SMOKE, AND HAZE (2 updated events, 2 new images) -- LAKE SEDIMENT PLUME IN NORTHERN KAZAKHSTAN Sediments from the shores of Ozero Siletiteniz blew southward in late April 2012. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=77742&src=nha *** MODIS(Terra) image from Apr 21, 2012 (Posted on Apr 23, 2012 4:29 PM) DUST STORM IN THE TAKLIMAKAN DESERT An intense dus ...Continue Reading

:Product: Solar Region Summary :Issued: 2012 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 115 Issued at 0030Z on 24 Apr 2012 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 1459 S14W40 094 0440 Eki 11 39 Beta 1460 N16W54 108 0320 Dko 10 14 Beta 1462 S25W85 ...Continue Reading

Space Weather News for April 23, 2012 http://spaceweather.com SIERRA FIREBALL DECODED: An explosion over California that rattled homes across at least two states on Sunday, April 22nd, has been analyzed by NASA's Meteoroid Environment Office: It was a natural meteoroid the size of a mini-van. Analysts say the space rock exploded in the atmosphere with an energy equal to nearly 4 kilotons of TNT and might have sprayed the Sierra Nevada mountains with meteorites. Visit http://spaceweather.com for more information. AU ...Continue Reading