is there supposed to be constant thunderstorm feedback at all times because i think i need to return mine.
there is supposed to be absolutely NO feedback from the pedal.

return it promptly, with original packaging.
Yeah, mine has never done that. You need to go get a new one asap!
Telecaster - SG - Jaguar
Princeton Reverb, Extra Reverb
P-Bass - Mustang Bass
Apogee Duet 2 - Ableton Suite