The subtly are coming and it will suddenly change counties

I hear this today at about 5:50 pm to 6 pm and it say that the subtly are about to come and it will case the suddenly change the word subtly is a word that I look up and it meaning, "in a way this is small and difficult to notice or describe, but important." this is from the cambridge dictionary and this is so cool to see because it is important but difficult to notice and it will end up with a suddenly change. For the subtly meaning here is the website https://dictionary.cambridge.org/dictionary/english/subtly