Estimate orographic (relief) rainfall from terrain rise, airflow velocity, and atmospheric moisture content.
| Constant | Symbol | Value |
|---|---|---|
| Speed of light | c | 2.99792458×10⁸ |
| Planck's constant | h | 6.62607015×10⁻³‴ |
| Boltzmann constant | kʙ | 1.380649×10⁻²³ |
| Avogadro's number | Nₐ | 6.02214076×10²³ |
| Gravitational constant | G | 6.6743×10⁻¹¹ |
| Gas constant | R | 8.31446 |
| Elementary charge | e | 1.602176634×10⁻¹⁹ |
| Electron mass | mₑ | 9.1093837015×10⁻³¹ |
| Proton mass | mₚ | 1.67262192369×10⁻²⁷ |
| Fine-structure constant | α | 7.2973525693×10⁻³ |
Estimate orographic (relief) rainfall from terrain rise, airflow velocity, and atmospheric moisture content
Each component has a specific meaning:
Note: Interpret the orographic rainfall result against the clinical thresholds and context described above.
Enter the terrain rise, airflow velocity, atmospheric moisture content for the patient or scenario you are assessing. Estimate orographic (relief) rainfall from terrain rise, airflow velocity, and atmospheric moisture content. Use the orographic rainfall result to inform your clinical assessment.