Calculators

This is a library of meteorological/oceanological calculators.

The Java script is used here. Please turn on the Java script of your browser.

All programs opened here can be freely utilized for educational or academic purposes only. The contents are carefully produced. However, the author can not be responsible for any errors in them. Thank you for your understanding.

• Potential temperature theta (P, T)
• Saturation water vapor pressure e_s (T)
• Saturation specific humidity q_sat (P, T)
• Specific humidity q (P, T, h)
• Relative humidity h (P, T, q)
• Vertual temperature T_v (T, q, c)
• Dew point T_d (P, T, q)
• Wet bulb temperature T_wet (P, T, q)
• Equivalent potential temperature theta_e (P, T, q)
• Moist adiabatic lapse rate Gamma_w (P, T)

• Discomfort index (DI) (P, T, H)

• Precipitation rate R (dBZ)

• Density of sea water sigma (T, S, P)
• Potential temperature theta (T, S, P)
• Potential density sigma_t (T, S)
• Potential density sigma_theta (T, S, P)

• Distance between two points on the earth

• Julian day

• Equatorial coordinate to horizontal coordinate
• Position of the sun
• Sunshine duration
• Age of the moon
• Position of a star
• Position of a star (in the list)