Tenmon Meteorology

The Ninjutsu | What is Ninjutsu | Ninjutsu Description | History of Ninjutsu | Who is a Ninja | Traditional Ninjutsu | The Ninja | Art of Ninjutsu | Ninjutsu Weapons | Ninja Silent Assassins | Ninja’s Mikkyo Mind | Bujinkan Ninjutsu | Rules of the Bujinkan | Ninjutsu and Koryu Bujutsu | Ninjutsu Arts Strategy

Tenmon (天門) is the ninja art of understanding and using meteorology as a strategic weapon. It allowed ninja to foresee weather changes and to use them as an advantage. By knowing nature’s changes, animal behavior, or atmospheric signs, one could use rainy weather or a hot sunny period as strategic elements to weaken and defeat the enemy.