Here is a list of useful rcon commands for Miscreated.
status - Display the status of all playes and connections
wm_startPattern X - Force start a weather pattern (all connected players will be notified - see weather pattern list below)
mis_ban_steamid 64BITSTEAMID - Ban Player
mis_ban_status - Display the ban list
mis_ban_remove 64BITSTEAMID - Remove from ban list
mis_kick X 64BITSTEAMID - Kick from server
mis_whitelist_add 64BITSTEAMID - Add to whitelist
mis_whitelist_remove 64BITSTEAMID - Remove from whitelist
mis_whitelist_status X - Display the current whitelist
sv_say X - Send a message to all connected players (appears at the top of the screen)
sv_chat X - Send a chat message to all connected players (appears in the chat window)
do_shutdown X - Do a restart with announcements in x seconds (default: 60 seconds, min: 45 seconds, max: 600 seconds)