The way the government plans for these types of disasters is through our business continuity planning exercises. These are done at the departmental level through the identification of critical services. They aren't necessarily related to or require foreknowledge of what the event will be. The fact that we have a snowstorm, a flood or a pandemic that keeps people from being in the office, all will have the same results—
On November 25th, 2020. See this statement in context.