Answer
There is a blizzard, and some schools are not closed.
Work Step by Step
If there is a blizzard, then all schools are closed.
As we know, the negation of p → q is p ∧ ∼q.
p: There is a blizzard.
q: All schools are closed.
Therefore, the negation of the statement is:
There is a blizzard, and some schools are not closed.