The term atmospheric phenomenon is identified in base64 scheme by the sequence YXRtb3NwaGVyaWMgcGhlbm9tZW5vbg==, while the MD5 signature is equal to c97b7b2cc1bd14ecdf5ee67c24e64810. The ASCII encoding of atmospheric phenomenon in hexadecimal notation is 61746d6f73706865726963207068656e6f6d656e6f6e.