Duration given Extreme Rainfall Depth Solution

STEP 0: Pre-Calculation Summary
Formula Used
Duration of Excess Rainfall in Hours = (Extreme Rainfall Depth/42.16)^(1/0.475)
D = (Pm/42.16)^(1/0.475)
This formula uses 2 Variables
Variables Used
Duration of Excess Rainfall in Hours - (Measured in Hour) - Duration of Excess Rainfall in Hours is time during which continuous rain is observed at a given point or within a given area.
Extreme Rainfall Depth - (Measured in Centimeter) - Extreme Rainfall Depth is the total rainfall depth during a given period, expressed in centimeters (cm).
STEP 1: Convert Input(s) to Base Unit
Extreme Rainfall Depth: 641.52 Millimeter --> 64.152 Centimeter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
D = (Pm/42.16)^(1/0.475) --> (64.152/42.16)^(1/0.475)
Evaluating ... ...
D = 2.41996831956215
STEP 3: Convert Result to Output's Unit
8711.88595042374 Second -->2.41996831956215 Hour (Check conversion ​here)
FINAL ANSWER
2.41996831956215 2.419968 Hour <-- Duration of Excess Rainfall in Hours
(Calculation completed in 00.004 seconds)

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Coorg Institute of Technology (CIT), Coorg
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Probable Maximum Precipitation (PMP) Calculators

Statistical Approach of PMP by using Chow's Equation
​ LaTeX ​ Go Probable Maximum Precipitation = Mean Precipitation of Annual Maximum Values+Frequency Factor*Standard Deviation
Duration given Extreme Rainfall Depth
​ LaTeX ​ Go Duration of Excess Rainfall in Hours = (Extreme Rainfall Depth/42.16)^(1/0.475)
Extreme Rainfall Depth
​ LaTeX ​ Go Extreme Rainfall Depth = 42.16*Duration of Excess Rainfall in Hours^0.475

Duration given Extreme Rainfall Depth Formula

​LaTeX ​Go
Duration of Excess Rainfall in Hours = (Extreme Rainfall Depth/42.16)^(1/0.475)
D = (Pm/42.16)^(1/0.475)

What is Precipitation?

Precipitation is a form of water from the atmosphere. It is a term in meteorology and includes rain, snow, sleet, ice pellets dew, frost, and hail. These form by condensation from atmospheric water vapour and fall under gravity. Fog and mist are not precipitation but suspensions.

What is Probable Maximum Precipitation (PMP)?

Probable maximum precipitation is defined as the estimate of the extreme maximum rainfall of a given duration that is physically possible over a basin under critical hydrological and meteorological conditions. This is used to compute flood by using suitable rainfall runoff model.
Two methods of PMP estimation are:
1. Statistical procedure
2. Meteorological approach

How to Calculate Duration given Extreme Rainfall Depth?

Duration given Extreme Rainfall Depth calculator uses Duration of Excess Rainfall in Hours = (Extreme Rainfall Depth/42.16)^(1/0.475) to calculate the Duration of Excess Rainfall in Hours, The Duration given Extreme Rainfall Depth formula is defined as the rainfall depth or intensity for a given frequency, and therefore affects the, resulting runoff peak and volume. Duration of Excess Rainfall in Hours is denoted by D symbol.

How to calculate Duration given Extreme Rainfall Depth using this online calculator? To use this online calculator for Duration given Extreme Rainfall Depth, enter Extreme Rainfall Depth (Pm) and hit the calculate button. Here is how the Duration given Extreme Rainfall Depth calculation can be explained with given input values -> 0.000669 = (0.64152/42.16)^(1/0.475).

FAQ

What is Duration given Extreme Rainfall Depth?
The Duration given Extreme Rainfall Depth formula is defined as the rainfall depth or intensity for a given frequency, and therefore affects the, resulting runoff peak and volume and is represented as D = (Pm/42.16)^(1/0.475) or Duration of Excess Rainfall in Hours = (Extreme Rainfall Depth/42.16)^(1/0.475). Extreme Rainfall Depth is the total rainfall depth during a given period, expressed in centimeters (cm).
How to calculate Duration given Extreme Rainfall Depth?
The Duration given Extreme Rainfall Depth formula is defined as the rainfall depth or intensity for a given frequency, and therefore affects the, resulting runoff peak and volume is calculated using Duration of Excess Rainfall in Hours = (Extreme Rainfall Depth/42.16)^(1/0.475). To calculate Duration given Extreme Rainfall Depth, you need Extreme Rainfall Depth (Pm). With our tool, you need to enter the respective value for Extreme Rainfall Depth and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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