NOAA Storm Prediction Center

SPC Outlook Day 1 Map

Day 1 Tornado Probability Outlook Map

Day 1 Wind Probability Outlook Map

2014 Watch Summaries

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Air Pressure The weight of air pressing down on earth. Air pressure can change from place to place, and this causes air to move, flowing from areas of high pressure toward areas of low pressure. It’s the same as barometric pressure. |