Solar proton event: Difference between revisions
From Glossary of Meteorology
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<div class="definition"><div class="short_definition"> | <div class="definition"><div class="short_definition">(Abbreviated SPE.) Strong enhancement in energetic [[proton]] [[flux]] (typically >10 MeV), commonly from a shock caused by an energetic solar eruption. SPEs can be detected throughout the heliosphere; however, for [[space weather]] purposes, they are characterized by the episodic detection and measurement of proton flux reaching and sustaining 10 particle flux units (1 PFU = 1 particle per square cm per second per [[steradian]]) for at least 15 minutes at energies >10 MeV by the primary [[noaa|NOAA]] [[satellite]] or [[goes|GOES]]. Periods of at least 10 PFU at the 10-MeV level are also referred to as solar proton events or radiation storms and are quantified by the use of the National Oceanic and Atmospheric Administration [[S-scale]].</div><br/> </div> | ||
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<p>Space Weather Prediction Center, 2018: Solar radiation storm. Accessed 14 August 2018. Available at <nowiki>https://www.swpc.noaa.gov/phenomena/solar-radiation-storm</nowiki>.</p><br/> | |||
<p>''Term edited 14 August 2018.''</p> | |||
{{TermIndex}} | {{TermIndex}} | ||
Latest revision as of 20:06, 14 August 2018
solar proton event
(Abbreviated SPE.) Strong enhancement in energetic proton flux (typically >10 MeV), commonly from a shock caused by an energetic solar eruption. SPEs can be detected throughout the heliosphere; however, for space weather purposes, they are characterized by the episodic detection and measurement of proton flux reaching and sustaining 10 particle flux units (1 PFU = 1 particle per square cm per second per steradian) for at least 15 minutes at energies >10 MeV by the primary NOAA satellite or GOES. Periods of at least 10 PFU at the 10-MeV level are also referred to as solar proton events or radiation storms and are quantified by the use of the National Oceanic and Atmospheric Administration S-scale.
Space Weather Prediction Center, 2018: Solar radiation storm. Accessed 14 August 2018. Available at https://www.swpc.noaa.gov/phenomena/solar-radiation-storm.
Term edited 14 August 2018.
