Hesa Fredrik


A Hesa Frerik.
The sound of Hesa Fredrik during a test in March 2017.


Compound of Hesa (Hoarse) +‎ Fredrik (Fredrik). Allegedly coined by Dagens Nyheter columnist Oscar Fredrik Rydqvist in 1931.


Hesa Fredrik c

  1. type of outdoor sirens used to broadcast a VMA (Important Announcement to the Public); broadcasting system used to invoke the attention and alert the public in situations of immediate danger (e.g. toxic smoke, poisonous water supply, forest fire, war, etc.)
    Synonyms: VMA, flyglarm, mistlur