The state emergency management agency tweeted that "the greatest impacts" from Maria would come late Tuesday and last through early Thursday.
“It’s hard to find her in the best of situations, and it’s even harder now with the hurricane chaos," says a colleague of the missing woman.
A deputy has been filling in as director since Rick Knabb left in May.
Researchers have found that under certain conditions, typhoons in Taiwan triggered earthquakes.
Hurricane Maria has visibly stripped palm trees, thrown branches and debris to the ground, and begun its devastating impact. There are severe winds and rain across the Caribbean island.
Hurricane Maria is supposed to make landfall on Puerto Rico on Wednesday
Maria made landfall on Dominica as a category 5 storm. Now the U.S. Virgin Islands and Puerto Rico are in its path.
Hurricane Maria is making its trek toward the Caribbean as Floridians, many of whom are still without power and have damage to their homes, watch the daunting Category 3 storm get closer.
Maria is expected to be a major hurricane by the time it hits the Caribbean on Monday night.