… it’s because it’s hosted by Squarespace, whose servers are located in Manhattan. They say:
We have simply run out of power, backup power, and cannot access our fuel in a flooded basement. Our teams have been working tirelessly on contingency plans. We are working to bring the Squarespace systems back online as soon as possible.
So, if and when this website disappears, please keep coming back, because it’s just temporary (I hope!). Obviously, this problem is insignificant compared with what the people in New York are experiencing, and the people not in New York who have been affected by it. We wish them our heartfelt good wishes.