The Big Chill
A winter fuel crisis of high prices and shortages could darken homes and factories
By Marianne Lavelle
US News
12/19/05

I understand that high prices could push some people to lower their thermostat but I don't understand the rationnal behind shortage predictions. If you look at this week crude inventory:

It looks pretty healthy to me!

You're looking at oil.  It's NG that's in short supply
Ok but NG doesn't look that bad either:

Working Gas in Underground Storage Compared with 5-Year Range: