May 2015
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If you have looked at the Keeling curve for carbon dioxide concentration that I have shown in past blog postings, you may be wondering why there is a yearly cycle in the concentration of carbon dioxide. The graph below shows the last two years of carbon dioxide in the atmosphere, as measured on Mauna Loa…
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The Atlantic tropical storm season officially starts on June 1. However, this year the unofficial season may start a little earlier than usual if model predictions hold true. The models show the potential for an extratropical storm to form on an old frontal boundary over the Bahamas which could drift north to North Carolina over…
Posted in: Climate outlooks -
The “Spring Predictability Barrier” is well known to climatologists as the difficulty we have in predicting whether an El Nino will occur in the coming months in springtime compared to other times of the year. This is due to the seasonality of El Nino, which is usually strongest around Christmas (hence the name “El Nino”,…