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Space Weather

Cover image for Space Weather

July 2011

Volume 9, Issue 7

  1. Technical Article

    1. Top of page
    2. Technical Article
    3. News
    4. Feature
    5. Editorial
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      A flare sensitive 3 h solar flux radio index for space weather applications

      Ariel O. Acebal and Jan J. Sojka

      Article first published online: 21 JUL 2011 | DOI: 10.1029/2010SW000585

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      Key Points

      • Development of 3 hourly solar radio indices that capture flare activity
      • These new indices have the same cadence as the geomagnetic Kp index
      • Provide a 3 h proxy for real-time solar EUV input for ionospheric modeling
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      Geoeffectiveness (Dst and Kp) of interplanetary coronal mass ejections during 1995–2009 and implications for storm forecasting

      I. G. Richardson and H. V. Cane

      Article first published online: 21 JUL 2011 | DOI: 10.1029/2011SW000670

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      Key Points

      • Summarize geomagnetic response of >300 ICMEs in cycle 23
      • Relate response to parameters of ICMEs including Bs, Ey, Vsw
      • Use Vsw results to estimate likely geoeffectiveness of an ICME observed remotely
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      New measurements of total ionizing dose in the lunar environment

      J. E. Mazur, W. R. Crain, M. D. Looper, D. J. Mabry, J. B. Blake, A. W. Case, M. J. Golightly, J. C. Kasper and H. E. Spence

      Article first published online: 14 JUL 2011 | DOI: 10.1029/2010SW000641

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      Key Points

      • We report new measurements of solar-minimum ionizing radiation dose at the Moon
      • The total dose for the LRO mission in the first year was only 12.2 rads
      • Lunar obstruction decreased the interplanetary dose by 30%
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      Predicting solar energetic proton events (E > 10 MeV)

      Marlon Núñez

      Article first published online: 14 JUL 2011 | DOI: 10.1029/2010SW000640

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      Key Points

      • The UMASEP forecaster analyzes differential proton flux data
      • The UMASEP forecaster outperforms current automatic empirical SEP forecasters
      • It is the only forecaster that may be evaluated by users through Internet
  2. News

    1. Top of page
    2. Technical Article
    3. News
    4. Feature
    5. Editorial
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      Industry and Government Space Weather Experts Meet

      Devrie S. Intriligator

      Article first published online: 16 JUL 2011 | DOI: 10.1029/2011SW000698

  3. Feature

    1. Top of page
    2. Technical Article
    3. News
    4. Feature
    5. Editorial
    1. You have free access to this content
  4. Editorial

    1. Top of page
    2. Technical Article
    3. News
    4. Feature
    5. Editorial
    1. You have free access to this content
      Government and Public Awareness of Space Weather

      Louis J. Lanzerotti

      Article first published online: 28 JUL 2011 | DOI: 10.1029/2011SW000710

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