911 response please!! Oil Furnace is NOW making Wooshing sounds

Its very cold here in Massachusetts currently 4 degrees as I type. I woke up this morning to the sound of all of my radiators clanging loudly! When I opened the basement door I could smell what seemed to be burning wires or melting plastic. I immediately shut off the emergency switch to check out the furnace, (NOT a clue what Im doing) anyways about 4 hours of being off and the house getting rather cold, we turned it back on and it has worked fine, however the blower just came on and now it is making an ODD Wooshing sound, like it is forcing the air out, taking a breath and blowing again... I've NEVER heard this noise before, I'm not even sure that is the best way to describe the sound, but dont know what else to call it. ANY SUGGESTIONS? I'm concerned for the safety of the children and the house but I cant keep the heat off... its COLD!