Riding through the desert in AZ I had a vision in my sleep of a ceremonially adorned Indian priestess with fangs riding a giant feathered snake

No, you were probably just dreaming of getting a loan from Western Sky.

Haha idk about the dooms day date but me being a native of Az myself it doesnt surprise me one bit you had a dream like that.Locality is key with this vision imo.I would do some research into the history of the area.

I was sleeping in the backseat while my dad was driving between Tucson and Sierra Vista heading south.

i think it has to do with the asteroid!

YEAR OF THE SNAKE!

My wild love went ridin'
She rode all the day
She wrote to the devil
And asked him to pay
The devil was wiser
It's time to repent
He asked her to give back
The money she spent

My wild love went ridin'
She rode to the sea
She gathered together
Some shells for her head
She rode and she rode on
She rode for a while
Then stopped for an evenin'
And lay her head down

[link to www.youtube.com]

Return of Quezequotle (Not sure how to spell it, and too lazy to look it up. lol)