When severe weather conditions become apparent, the U.S. Weather Bureau describes conditions by two classifications: a watch or a warning. This applies to the reporting of severe thunderstorms, the approach of weather conditions favoring the formation of tornadoes, a hurricane condition, or a winter storm condition. A watch becomes effective when atmospheric conditions exist that could produce the particular weather phenomenon. A warning indicates that the weather condition has been spotted and prompt action must be taken for safety.
Except in rare circumstances, the decision to evacuate the Building based on weather reports will not be made by the Office of the Building, but rather by each tenant firm.
In the event these conditions do exist, the following guidelines should be kept in mind: