OPM finally calls it:
"Washington, DC Area
Applies to: Monday, March 16, 2020
STATUS: OPEN WITH MAXIMUM TELEWORK FLEXIBILITIES TO ALL CURRENT TELEWORK ELIGIBLE EMPLOYEES, PURSUANT TO DIRECTION FROM AGENCY HEADS"
https://www.opm.gov/policy-data-oversight/snow-dismissal-procedures/current-status/
Post
March 16, 2020