http://www.thefreedictionary.com/pronouncement pronouncement = an official or authoritative statement or announcement So you never say "public pronouncement".

Pronouncements are public or official statements on an important subject Announcement An act of announcing, or giving notice its kinda same. but first one is more formal

I get it. I seldom use "pronouncement" either, but it occurred to me when I reading the Times News, so I want to know more details. Thx!~

Sorry, I accidentally answered the question in the comments. We Americans hardly ever use the word "pronouncement". We almost always use "announcements" instead. >The school principle gave the announcement that school would be closed due to the winter blizzard (a weather condition when a lot of snow falls down).

We Americans hardly ever use the word "pronouncement". We almost always use "announcements" instead. >The school principle gave the announcement that school would be closed due to the winter blizzard (a weather condition when a lot of snow falls down).