WXP::UpaCalc Class Reference

This class does standard computations on upper air data. More...

#include "../include/UpaCalc.h"

Static Public Member Functions
static float	calc (UpaLevel &level, const char *var)
static const char *	getUnits (const char *var)
static int	thickTop (VCoord &bottom, float thick, VCoord &top)
static VCoord	thickTop (VCoord &bottom, float thick)
static int	thickBottom (VCoord &top, float thick, VCoord &bottom)
static VCoord	thickBottom (VCoord &top, float thick)
static int	parcelMean (UpaData &data, VCoord &bottom, VCoord &top, ParcelMeanData &pmean)
static ParcelMeanData	parcelMean (UpaData &data, VCoord &bottom, VCoord &top)
static int	meanWind (UpaData &data, VCoord &bottom, VCoord &top, Wind &wind)
static Wind	meanWind (UpaData &data, VCoord &bottom, VCoord &top)
static float	meanValue (UpaData &data, const char *type, VCoord &bottom, VCoord &top)
static int	ccl (UpaData &data, VCoord &bottom, float thick, CclData &ccl)
static CclData	ccl (UpaData &data, VCoord &bottom, float thick)
static float	thickness (UpaData &data, VCoord &bottom, VCoord &top)
static float	lapseRate (UpaData &data, VCoord &bottom, VCoord &top)
static float	thetaLapseRate (UpaData &data, VCoord &bottom, VCoord &top)
static float	thetaPresLapseRate (UpaData &data, VCoord &bottom, VCoord &top)
static float	staticStability (UpaData &data, VCoord &level)
static float	precipWater (UpaData &data)
static float	freezingLevel (UpaData &data)
static float	wetBulbZero (UpaData &data)
static float	maxTemperature (UpaData &data, VCoord &bottom, float thick)
static float	energyCalc (UpaLevel &par1, UpaLevel &par2, UpaLevel &env1, UpaLevel &env2)
static float	capStrength (UpaData &data, VCoord &bottom, float thick)
static float	liftedIndex (UpaData &data, VCoord &bottom, float thick, VCoord &top)
static float	totalTotals (UpaData &data)
static float	verticalTotals (UpaData &data)
static float	crossTotals (UpaData &data)
static float	kIndex (UpaData &data)
static float	sweatIndex (UpaData &data)
static float	energyIndex (UpaData &data)
static int	thetaEIndex (UpaData &data, ThetaEData &thetae)
static ThetaEData	thetaEIndex (UpaData &data)
static int	helicity (UpaData &data, VCoord &bottom, VCoord &top, Wind &storm, HelicityData &hel)
static HelicityData	helicity (UpaData &data, VCoord &bottom, VCoord &top, Wind &storm)
static int	shearLayer (UpaData &data, VCoord &bottom, VCoord &top, ShearData &shear)
static ShearData	shearLayer (UpaData &data, VCoord &bottom, VCoord &top)
static int	bulkRichardson (UpaData &data, VCoord &bottom, float cape, BrnData &brn)
static BrnData	bulkRichardson (UpaData &data, VCoord &bottom, float cape)
static float	energyHelicity (UpaData &data, VCoord &bottom, Wind &storm, float cape)

Detailed Description

This class does standard computations on upper air data.

Author

Dan Vietor

Member Function Documentation

calc()

float UpaCalc::calc ( UpaLevel &  level, const char *  var  )

static

Computes a varialbe based on data from a level

Parameters

level	The level data
var	The variable to compute

Returns

Computed value

References WXP::Convert::CtoK(), WXP::UpaLevel::dir, WXP::Const::DRC, WXP::Calc::equivPotTemp(), WXP::UpaLevel::h, WXP::StrLib::iequal(), WXP::Convert::KTtoMPS(), WXP::Const::MISS, WXP::Calc::mixRatio(), WXP::UpaLevel::p, WXP::Calc::potTemp(), WXP::Calc::relHum(), WXP::UpaLevel::spd, WXP::Calc::specHum(), WXP::UpaLevel::t, WXP::UpaLevel::td, WXP::Calc::vaporPres(), WXP::Calc::virtPotTemp(), and WXP::Calc::virtTemp().

Referenced by WXP::ProfPlot::draw(), WXP::UpaXSectCont::draw(), WXP::UpaXSectPlot::draw(), and meanValue().

getUnits()

const char * UpaCalc::getUnits ( const char *  var )

static

Gets the units for a computed variable

Parameters

var	The variable

Returns

Units string

See also

calc

References WXP::StrLib::iequal().

Referenced by WXP::ProfPlot::draw(), WXP::UpaXSectCont::draw(), and WXP::UpaXSectPlot::draw().

meanValue()

float UpaCalc::meanValue ( UpaData &  data, const char *  type, VCoord &  bottom, VCoord &  top  )

static

Computes the mean value of a variable betwen two layers

Parameters

data	The sounding data
type	The type of parameter to compute
bottom	The bottom level
top	The top level

Returns

The computed value

References calc(), WXP::VCoord::equal(), WXP::VCoord::getVal(), WXP::Const::MISS, WXP::Wxp::outDebug(), WXP::UpaLevel::p, WXP::UpaLevel::t, and WXP::UpaLevel::td.

Referenced by WXP::UpaDataTool::compute().

thickBottom() [1/2]

VCoord UpaCalc::thickBottom ( VCoord &  top, float  thick  )

static

Finds the value of the bottom of a layer given the top and thickness

Parameters

top	The top level
thick	The thickness

Returns

The computed bottom level

References thickBottom().

thickBottom() [2/2]

int UpaCalc::thickBottom ( VCoord &  top, float  thick, VCoord &  bottom  )

static

Finds the value of the bottom of a layer given the top and thickness

Parameters

top	The top level
thick	The thickness

Return values

bottom

The computed bottom level

References WXP::VCoord::getType(), WXP::VCoord::getVal(), WXP::VCoord::HEIGHT, WXP::VCoord::init(), WXP::Const::MISS, WXP::VCoord::POT, WXP::VCoord::PRES, WXP::VCoord::setType(), and WXP::VCoord::setVal().

Referenced by thickBottom().

thickTop() [1/2]

VCoord UpaCalc::thickTop ( VCoord &  bottom, float  thick  )

static

Finds the value of the top of a layer given the bottom and thickness

Parameters

bottom	The bottom level
thick	The thickness

Returns

The computed top level

References thickTop().

thickTop() [2/2]

int UpaCalc::thickTop ( VCoord &  bottom, float  thick, VCoord &  top  )

static

Finds the value of the top of a layer given the bottom and thickness

Parameters

bottom	The bottom level
thick	The thickness

Return values

top	The computed top level

References WXP::VCoord::getType(), WXP::VCoord::getVal(), WXP::VCoord::HEIGHT, WXP::VCoord::init(), WXP::Const::MISS, WXP::VCoord::POT, WXP::VCoord::PRES, WXP::VCoord::setType(), and WXP::VCoord::setVal().

Referenced by WXP::ParcelParams::set(), and thickTop().

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The documentation for this class was generated from the following files:

• UpaCalc.h
• UpaCalc.cc