Well the tarmacs and heat from the planes and pavement lower them just like the trees and lawns elevate . So it’s all a product of the environment. All the sensors are the same .
Late Sept / Oct will be our cat 3 hit .
It shows up well here
https://twitter.com/bennollweather/status/1809704125892088031?s=46&t=dhcbvkjmRcyBVQtDxJ3lRg