What does WARN stand for?

Warner - Federal Railroad Administration identification code

Warner Gear - NCIC boat manufacturer code (NCIC)

Warning (NASA)

Weather Amateur Radio Network (NOAA)

Weather-Auto Relay Network (SAUS)

Women of All Red Nations (EA)

Worker Adjustment and Retraining Notification (AAGC)

Worker Adjustment and Retraining Notification Act - 1988

Worldwide Accelerated Response Network (BUAC)