Here is a proposed new collapsed coding scheme based on hierarchical collapsing of the previous coding scheme

Coding Scheme

Personal Sentiment Preparation Movement Reporting on Environment Collective Orientation
Lighter-Hearted Power Move Away Weather Pass On Information
Angry/Dark/Dismissive Supplies Move Back Immediate Personal Environment Seek Information
Anxious/Worried Physical Stationary Other Built Environment What Others are Doing
Prepared/Settled Transport      
Bored Booze      
  Plans      

Coding Scheme Explained

Sentiment  
Lighter-Hearted Light-hearted comedy about the storm, not dark humor, excited, relieved
Angry/Dark/Dismissive Angry, Defiant, dark humor, negative sarcasm
Anxious/Worried Worried, anxious, frustrated at not knowing information on their hometown, etc
Prepared/Settled Feeling ready for the storm
Bored Stuck at home, nothing to do, typically seen as “I’m sooooo bored”
Preparation  
Power Mentions of Generators, charging phones, laptops, etc
Supplies Stocking up on general supplies: food, water, other supplies, rationing things
Physical Preparing the physical environment: boarding up windows, sandbags, etc
Transport Preparing vehicles or purchasing tickets
Booze Any mention of alcohol or drugs – very prevalent, making own category to reduce noise
Plans Discussion of changing or maintaining existing plans
Movement  
Move Away Leaves, Evacuates, Example: “And with that we evacuate to higher ground”
Move Back Comes home
Stationary Discussion of Hunkering or not moving
Reporting on Environment  
Weather Reporting on the current weather, surf, etc.
Personal Reporting on immediate personal environment: “We still have power”
Built Environment Reporting on the built environment: “I just saw that Hoboken is underwater”
Collective Orientation  
Pass On Information Passing on information or answering questions, not retweets
Seeking Information Asking questions related to the storm
What Others Are Doing Either doing what others are doing or discussing what others are doing: “I’m at this bar with 300 other people waiting out the storm”, “I here there are tons of people at Moe’s Tavern buying hurricane shots”