Using the formula developed by Panofsky and Brier, determine the storm central pressure if the approximate velocity of winds at low pressure area is 40 knots.
Given: Wind velocity = 40 knots
What is asked: Storm central pressure
Solution:
This is the step-by-step solution:
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Given: Wind velocity = 40 knots
What is asked: Storm central pressure
Solution:
This is the formula: Pressure = 1016 - (speed - 3.9/3.5)²
The unit of speed in this formula is meter/sec. Since the unit of speed in the given is knots, we have to convert first 40 knots into meter/sec. To convert, divide 40 knots by 1.944.
40÷1.944 = 21 meter/sec
So we can now use the formula: Pressure = 1016- (21-3.9/3.5)² = 992 mb
This is the step-by-step solution:
21 - 3.9 = ans ÷ 3.5 = ans² = 24 and then 1016 - 24 = 992 mb
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| Panofsky and Brier formula |
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Thank you very much.I used it as one of my references in subject Met-O 1.
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