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Name: Louis W.
Status: student
Age: 17
Location: N/A
Country: N/A
Date: 8/13/2004


Question:
What air pressures are involved in cyclones and tornadoes? What can they range between?


Replies:
Louis,

The air pressure in normal temperate zone low pressure area ranges between 970 and 1000 millibars, in hurricanes between 870 and 960 millibars, and in tornadoes the pressure may possibly equal the range for hurricanes or perhaps have an even lower limit.

David R. Cook
Atmospheric Research Section
Environmental Research Division
Argonne National Laboratory


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