Drought 2011: Where are We and What’s Next? Kansas Winter Grazing Conference April 14, 2015.

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Drought 2011: Where are We and What’s Next? Kansas Winter Grazing Conference April 14, 2015

Kansas Drought Status over Time DateNoneD0-D4D1-D4D2-D4D3-D4D4 17-Jan Oct Jul Oct Jul K-State Research & Extension

Current Drought Status

Kansas Drought Status K-State Research & Extension

November Palmer Index

Current Palmer Index

Moisture Needed K-State Research & Extension

Moisture Needed K-State Research & Extension

Typical January Moisture K-State Research & Extension

What’s the Precipitation Outlook?

K-State Research & Extension What’s the Precipitation Outlook?

K-State Research & Extension What’s the Precipitation Outlook?

Vegetative Conditions K-State Research & Extension

Vegetative Conditions

K-State Research & Extension What’s the Drought Outlook?

K-State Research & Extension What’s the Drought Outlook?

K-State Research & Extension Why? Continuing La Niña Change in North Atlantic Oscillation Change in Artic Oscillation

Typical La Niña Winters

North Atlantic Oscillation The North Atlantic Oscillation (NAO). When the NAO index is low, shown above, ocean winds are weaker and the U.S. winter more severe. Changes in ocean temperature distributions are also observed. Its "high index" state corresponds to particularly high atmospheric pressure over the Azores, an intense low over Iceland. Ocean winds are stronger and winters milder in the eastern U.S. (Illustration by Fritz Heide & Jack Cook, WHOI)

Artic Oscillation

Risk of Extreme Events

Gulf Moisture

K-State Research & Extension Mary Knapp Weather Data Library 1703 Throckmorton Hall Kansas State University Manhattan, KS PH: URL:

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