heat.index.algorithm: Algorithm for heat.index function.
In weathermetrics: Functions to Convert Between Weather Metrics
Description
Usage
Arguments
Details
Value
Note
Author(s)
References
See Also
Description
heat.index.algorithm converts a numeric scalar of temperature
(in Fahrenheit) and a numeric scalar of relative humidity (in %)
to heat index (in Fahrenheit). This function is not meant to be used
outside of the heat.index function.
Usage
1
heat.index.algorithm(t = NA, rh = NA)
Arguments
t
Numeric scalar of air temperature, in Fahrenheit.
rh
Numeric scalar of relative humidity, in %.
Details
If an impossible value of relative humidity is given
(below 0% or above 100%), heat index is returned as NA.
Value
A numeric scalar of heat index, in Fahrenheit.
Note
Equations are from the source code for the US National Weather
Service's
online heat index calculator.
Author(s)
Brooke Anderson brooke.anderson@colostate.edu,
Roger Peng rdpeng@gmail.com
References
Anderson GB, Bell ML, Peng RD. 2013. Methods to calculate the heat index
as an exposure Metric in environmental health research.
Environmental Health Perspectives 121(10):1111-1119.
National Weather Service Hydrometeorological Prediction
Center Web Team. Heat Index Calculator. 30 Jan 2015.
http://www.wpc.ncep.noaa.gov/html/heatindex.shtml.
Accessed 18 Dec 2015.
Rothfusz L. 1990. The heat index (or, more than you ever wanted to know
about heat index) (Technical Attachment SR 90-23). Fort Worth:
Scientific Services Division, National Weather Service.
R. Steadman, 1979. The assessment of sultriness. Part I: A
temperature-humidity index based on human physiology and clothing
science. Journal of Applied Meteorology, 18(7):861–873.
See Also
weathermetrics documentation built on May 2, 2019, 2:18 a.m.
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Description Usage Arguments Details Value Note Author(s) References See Also
Description
heat.index.algorithm converts a numeric scalar of temperature
(in Fahrenheit) and a numeric scalar of relative humidity (in %)
to heat index (in Fahrenheit). This function is not meant to be used
outside of the heat.index function.
Usage
1 | heat.index.algorithm(t = NA, rh = NA)
|
Arguments
t |
Numeric scalar of air temperature, in Fahrenheit. |
rh |
Numeric scalar of relative humidity, in %. |
Details
If an impossible value of relative humidity is given
(below 0% or above 100%), heat index is returned as NA.
Value
A numeric scalar of heat index, in Fahrenheit.
Note
Equations are from the source code for the US National Weather Service's online heat index calculator.
Author(s)
Brooke Anderson brooke.anderson@colostate.edu, Roger Peng rdpeng@gmail.com
References
Anderson GB, Bell ML, Peng RD. 2013. Methods to calculate the heat index as an exposure Metric in environmental health research. Environmental Health Perspectives 121(10):1111-1119.
National Weather Service Hydrometeorological Prediction Center Web Team. Heat Index Calculator. 30 Jan 2015. http://www.wpc.ncep.noaa.gov/html/heatindex.shtml. Accessed 18 Dec 2015.
Rothfusz L. 1990. The heat index (or, more than you ever wanted to know about heat index) (Technical Attachment SR 90-23). Fort Worth: Scientific Services Division, National Weather Service.
R. Steadman, 1979. The assessment of sultriness. Part I: A temperature-humidity index based on human physiology and clothing science. Journal of Applied Meteorology, 18(7):861–873.
See Also
R Package Documentation
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