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T O P I C R E V I E W
vk3pa
Posted - 22 Apr 2006 : 08:06:16 AM The only active region on the solar disc (NOAA AR 0874, Catania number 29) is growing and may produce flares. The B4.5 flare after midnight occurred at the west limb. The Earth is currently inside the slow solar wind flow. The interplanetary magnetic field magnitude shows significant fluctuations during the last 48 hours. This might indicate a possible arrival of the stream interaction region. The turning of the IMF to the south is not excluded, so active geomagnetic conditions may occur. Late on April 23 disturbed geomagnetic conditions are probable due to a possible arrival of an ICME associated with the filament eruption on April 19.