Jerry,
	You wrote about the 7 day warning given to Noah.
Prior to his receiving that, was Noah warning others about the coming judgment, without a time frame attached?
Nineveh was given a 40 day warning.
The believers in Jerusalem had been warned by Jesus about the coming destruction of the temple, and to flee.
As for timing, all they knew that it would be within that generation.
Lot was given about a 12 hour warning.
My question to you, is whether the people of Sodom were ever warned of judgment?
Or did it come on them suddenly without warning?
Or had Lot previously warned Sodom, over the years, that they could face the judgment of God for what they were doing?
The world today cannot claim that they have never been warned, they have.
But like in Noah's day, they ignore, or simply do not believe the warning.
Apparently, only Nineveh's warning contained an exact time frame.
Every other previously warned of judgement came suddenly upon people.