Growing up in Northern Alabama, I remember a tornado tearing through the city when i was around eight. As of five years ago, this particular tornado was one of the top five most devastating tornadoes in the country. The precautionary steps we took were to clear the most centrally located closet in the house just in case we needed to jump in quickly, and for all of us to sleep on the sleeper sofa with the television on all night. I have two younger brothers, so you can imagine the five of us on this fold out bed. Between the barometer (and doppler), warning signs of danger were witnessed, a tornado watch was issued, and action was taken – my parents woke us up and took us all downstairs to safety.
I am reminded of this childhood storm by all of the weather-related destruction we have experienced in this country and around the world over the past five years. During times of threatening weather, we are educated (or should i say, re-educated) on the meaning and measure of barometric pressure, as it relates to tornados and hurricanes. As the barometric pressure increases, we know that improved weather is to follow. In like manner, when the pressure falls, we can read this as a warning sign of impending foul weather.
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