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Tuesday, November 27, 2007

Birthday of a weather legend:
Anders Celsius: 1701-1744
astronomy was his passion, but he made a major contribution to science with a simplified temperature scale. Instead of the Fahrenheit scale which ranges from freezing of 32F to boiling at 212F, Celsius developed his scale based on 100 degrees. He did attempt to turn things around, and use 0 for boiling and 100 for freezing, but this was reversed back to the way we know after he died.
From a scientific standpoint, this makes the math much easier working with the metric system (based on 10).
In terms of weather, the rest of the world uses Celsius except the USA. Perhaps we are stubborn to change, but the wider variation of numbers does make it easier to explain a range of conditions. It sounds odd to think a warm day in the summer would be 30 degrees C, instead of 86 degrees F. Yet having freezing at 0C does make sense. All upper level data is measured in Celsius and used for all mathematical computer models.
Locally, our rain was a disappointment. At least officially. BWI measured only .16", yet northern sections of Carroll County picked up much more. Manchester recorded 1.28", and is only about 30 miles from BWI. Today will be a reversal of fortunes. The warm air surged in last night, and we were still at 62F at midnight. As the strong winds shift to the northwest, we should stay in the 50s or get colder this afternoon.

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