Broken Whirly Bird
 

Missing Top of Whirly Bird
So, I was in my back yard trying to dig out my bbq under about 4 ft of snow, when I came across the top of my whirly bird laying about 2 inches under the surface of the snow. I looked up to find that it is in fact from my roof. I will be soon replacing the wirly bird.

Moisture in the Attic
What I would like to know, is that if there is now moisture in my attic from snow/rain accumulating in my attic from the missing top of my whirly bird, do I have to go and replace all of the affected insulation or will the moisture evaporate when I reinstall the whirly bird?

Thanks,
Brent

Reinstall your whirly bird and make sure any bathroom vents are ducted to the soffit or a roofing vent. The moisture will evaporate and you'll be fine.

Obviously if there is much snow then get it out but residual moisture will evaporate as Kok posted.
hth, Doug