Function sounding_analysis::pft

pub fn pft(snd: &Sounding, moisture_ratio: f64) -> Result<GigaWatts>

Calculate the Pyrocumulonimbus Firepower Threshold (PFT).

The first reference below (Tory & Kepert, 2021) has most of the details about how to calculate the PFT, the other paper (Tory et. al, 2018) outlines the model in general.

References

Tory, K. J., & Kepert, J. D. (2021). Pyrocumulonimbus Firepower Threshold: Assessing the Atmospheric Potential for pyroCb, Weather and Forecasting, 36(2), 439-456. Retrieved Jun 2, 2021, from https://journals.ametsoc.org/view/journals/wefo/36/2/WAF-D-20-0027.1.xml

Tory, K. J., Thurston, W., & Kepert, J. D. (2018). Thermodynamics of Pyrocumulus: A Conceptual Study, Monthly Weather Review, 146(8), 2579-2598. Retrieved Jun 2, 2021, from https://journals.ametsoc.org/view/journals/mwre/146/8/mwr-d-17-0377.1.xml

Arguments

• snd is the sounding on which to do this calculation.
• moisture_ratio is the amount of heating required to add 1 g/kg to the specific humidity.