Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
उत्तरा फल्गुनी चैव अश्विनी च तथैव च ।यदाऽत्र भवते किंचिद्वायव्यं तं वि(तद्वि)निर्दिशेत् ॥ ९ ॥
In the full Agni Purana this is chapter 130, verse 9.
Uttara Phalguni and Ashvini too. When anything stirs here, name it the Vayavya mandala (region of the sky).
Simple meaning: When anything strange happens in these nakshatras, call it the Wind group.
नष्टभूताः प्रजाः सर्वा हाहाभूता विचेतसः ।
People cry out in grief and lose their senses. Dahala, Kamarupa, Kalinga and Kosala are named.
अयोध्या च अवन्ती च नश्यन्ते(न्ति) कोङ्कणान्ध्रकाः ।
Ayodhya, Avanti, Konkan and Andhra suffer. The group of Ashlesha, Moola and Purva Ashadha is named.
रेवती वारुणं ह्यृक्षं तथा भाद्रपदोत्तरा ।
When anything strange happens in these nakshatras, call it the Water group.