C’Mon Get Happy!

I am nothing if not diverse. From this morning’s newspaper: On U.S. nuclear weapons policy: Thursday’s announcement is driven by the Pentagon’s Nuclear Posture Review. The 2002 report concludes that nuclear weapons will be with us for the foreseeable future “to deter a wide range of threats, including (weapons of mass destruction) and large-scale conventional …

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Piñon and drought: some interesting details

In his ongoing drought series, Daniel Collins had a nice post last week on a trio of studies about the relationship between climate variability and both recruitment and death of piñon, the scraggly little arid pine tree provides our landscape’s signature here (when drought or global warming isn’t killing it). I’d like to extend the …

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Climate Forecasts vs. Weather Forecasts

Andrew Dessler hauls out the old dice metaphor for a helpful discussion of why one might take long term climate forecasts seriously even if those silly meteorologists can’t get tomorrow’s weather forecast right: One simple way to think about the difference in predicting weather and climate is to think about rolling a six-sided die. Predicting …

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Defining and Measuring Drought

Following on Daniel Collins’ discussion of the different measures and definitions of drought, here are a few useful web pages that pull together various indices. One of the problems Daniel pointed out about my use of the Standardized Precipitation Index is that it only captures precipitation anomalies, which misses the temperature side of the equation. …

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