constants

Meteorological constants useful for computations with vertical atmospheric sounding profiles.

namespace sharp

Variables

static constexpr float RGAS = 8.314462618f

static constexpr float MDRY = 28.96546e-3f

static constexpr float MWATER = 18.015268e-3f

static constexpr float DRYAIR_SPEC_HEAT_RATIO = 1.4f

static constexpr float ZEROCNK = 273.15f

static constexpr float HPA_TO_PA = 100.0f

static constexpr float PA_TO_HPA = 0.01f

static constexpr float THETA_REF_PRESSURE = 100000.0f

static constexpr float MISSING = -9999.0f

static constexpr float GRAVITY = 9.80665f

static constexpr float TOL = 1e-10f

static constexpr float PI = 3.14159265f

static constexpr float RDGAS = RGAS / MDRY

static constexpr float RVGAS = RGAS / MWATER

static constexpr float EPSILON = RDGAS / RVGAS

static constexpr float CP_DRYAIR = DRYAIR_SPEC_HEAT_RATIO * RDGAS / (DRYAIR_SPEC_HEAT_RATIO - 1.0f)

static constexpr float CP_VAPOR = 1875.0f

static constexpr float CP_LIQUID = 4190.0f

static constexpr float CP_ICE = 2118.636f

static constexpr float EXP_LV = 2.501e6f

static constexpr float EXP_LS = 2.836017e6f

static constexpr float LV1 = EXP_LV + (CP_LIQUID - CP_VAPOR) * ZEROCNK

static constexpr float LV2 = CP_LIQUID - CP_VAPOR

static constexpr float LS1 = EXP_LS + (CP_ICE - CP_VAPOR) * ZEROCNK

static constexpr float LS2 = CP_ICE - CP_VAPOR

static constexpr float ROCP = RDGAS / CP_DRYAIR

static constexpr float GAMMA_D = GRAVITY / CP_DRYAIR

static constexpr float PRANDTL = 1.f / 3.f

static constexpr float VKSQ = 0.18f

static constexpr float VAPPRES_REF = 611.65f

static constexpr float RHO_LWAT = 999.97495