Simply follow the sun across the sky for a few days and you will soon notice the anomalies as large dark clouds, out of place with surrounding ones, cover where the sun is, or large sheets of nanoparticle chem-haze cover it and create sun-dogs. This is the frequency control of the atmosphere using the UK Doppler Radar Network (UK version of NEXRAD) and geoengineering of the climate that has replaced natural weather:
06 September 2018
https://youtu.be/7_Q3l7uNaOo