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Factors Influencing ( arkla )Texas Drought – Natural and Otherwise

Factors Influencing ( arkla )Texas Drought – Natural and Otherwise. John W. Nielsen-Gammon Texas State Climatologist. Drought and Southern Oscillation Index (since 1882). Drought and Southern Oscillation Index (since 1882). Smoothed Drought and Pacific Decadal Oscillation (since 1900).

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Factors Influencing ( arkla )Texas Drought – Natural and Otherwise

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  1. Factors Influencing (arkla)Texas Drought – Natural and Otherwise John W. Nielsen-Gammon Texas State Climatologist

  2. Drought and Southern Oscillation Index (since 1882)

  3. Drought and Southern Oscillation Index (since 1882)

  4. Smoothed Drought and Pacific Decadal Oscillation (since 1900)

  5. Smoothed Drought and Atlantic Multidecadal Oscillation (since 1854)

  6. El Nino Cool-Season Precipitation

  7. 2013

  8. Natural Variability 2013

  9. Climate Change 2013

  10. Summary • Drought Happens • The Atlantic Ocean plays a big (summertime) role • Favorable conditions for rainfall this fall and winter • Climate change summary: a bit wetter and drier

  11. Contact Information • n-g@tamu.edu • 979-862-2248 • http://climatexas.tamu.edu • http://climatechangenationalforrum.org

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