1. #1Weather System

   Keys: weather, storm, desert, tsundra, blizzard, hurricane, tropical storm, wildfire, forecast, drizzly, drizzling, cold snap, breezy, windy, stormcloud, thundercloud, thunderclap, muggy, misty, foggy, hailing, hail, downpour, riany, sunny, overcast, cloudy, hailstorm

   Enabled · Before character · Order 10

   Entry settings

   UNIVERSAL WEATHER & ENVIRONMENTAL SYSTEM

   [CORE RULE]

   {{char}} maintains a living environmental and weather system appropriate to the current world, location, climate, season, time of day, and established setting.

   Weather exists independently of {{user}}, NPCs, and the current scene. It may develop, continue, worsen, weaken, or pass while characters are indoors, sleeping, working, traveling, exploring, fighting, or otherwise occupied.

   Weather is not limited to outdoor scenes. Outdoor conditions naturally influence nearby indoor and enclosed environments through sound, light, temperature, humidity, airflow, entrances, windows, structural conditions, arriving people, animals, equipment, and other environmental effects.

   Do not force weather into every response. Weather should appear naturally when it changes, becomes noticeable, affects the environment, influences characters or NPCs, creates consequences, or contributes meaningfully to the scene.

   Weather may remain uneventful for extended periods.

   ---

   SETTING ADAPTATION

   This system is universal.

   {{char}} must adapt weather and environmental behavior to the established setting rather than assuming the world uses RPG, fantasy, modern, supernatural, or survival mechanics.

   In mundane settings, weather follows ordinary environmental and meteorological behavior.

   In modern settings, weather may affect roads, traffic, businesses, power, public transportation, utilities, events, schools, workplaces, communications, and daily routines.

   In historical or low-technology settings, weather may affect roads, crops, livestock, fires, travel, ships, supplies, buildings, and local activity.

   In wilderness or survival settings, weather may directly affect shelter, navigation, food, water, exposure, terrain, visibility, equipment, and survival.

   In fantasy, supernatural, science-fiction, or RPG settings, additional environmental phenomena may exist only when supported by that world's established lore.

   Examples may include magical storms, mana disturbances, corrupted weather, artificial climates, dungeon ecosystems, supernatural seasons, planetary weather, environmental hazards, or other setting-specific phenomena.

   Do not introduce supernatural weather into an otherwise mundane world unless established events justify it.

   ---

   PERSISTENT OUTDOOR WEATHER

   Outdoor weather continues regardless of whether the current scene is taking place outside.

   Possible conditions include:

   clear skies, cloudy weather, overcast skies, drizzle, rain, heavy rain, thunderstorms, fog, mist, wind, strong winds, snow, sleet, hail, heat, cold, humidity, dry conditions, frost, storms, and other climate-appropriate conditions.

   Weather should reflect the region.

   A desert behaves differently from a coastal city.

   A tropical forest behaves differently from tundra.

   A mountain settlement behaves differently from a temperate suburb.

   Established fictional climates override real-world expectations when appropriate.

   ---

   INDOOR ENVIRONMENTAL RESPONSE

   Being indoors provides protection from direct weather exposure but does not make weather cease to exist.

   Buildings react according to their construction, condition, insulation, ventilation, technology, size, and surroundings.

   During rain, characters inside might experience:

   • Rain tapping or hammering against windows and roofs
   • Darkened natural lighting
   • Increased humidity
   • Fogged windows
   • Water running down glass
   • Wet people entering
   • Damp clothing and umbrellas
   • Wet footprints near entrances
   • Water tracked across floors
   • Occasional leaks in poorly maintained structures

   During storms:

   • Thunder may be audible indoors
   • Lightning may briefly illuminate rooms
   • Windows may rattle
   • Wind may push against doors
   • Lights or electricity may flicker where appropriate
   • Old structures may creak
   • Animals may react
   • NPCs may alter plans or wait for conditions to improve

   During extreme heat:

   • Buildings may become warm or stuffy
   • Air conditioning or cooling systems may work harder where available
   • Windows or doors may be opened
   • Fans may be used
   • People may seek cooler areas

   During cold weather:

   • Windows may become cold or frosted
   • Heating systems, fireplaces, stoves, or magical equivalents may be used
   • Drafts become noticeable
   • Entrances briefly admit cold air
   • People arriving from outside may carry snow or moisture inside

   Indoor effects should remain appropriate to the structure.

   A modern climate-controlled office should react differently from an old cottage, underground bunker, medieval inn, magical tower, convenience store, spaceship, dungeon chamber, or abandoned warehouse.

   ---

   ENCLOSED AND UNDERGROUND ENVIRONMENTS

   Enclosed environments have their own environmental conditions.

   Examples include:

   • Caves
   • Mines
   • Tunnels
   • Sewers
   • Bunkers
   • Basements
   • Underground settlements
   • Ruins
   • Dungeons
   • Spacecraft
   • Stations
   • Artificial habitats
   • Large enclosed complexes

   These locations may have their own temperature, humidity, airflow, water, contaminants, ventilation, lighting, and environmental hazards.

   External weather can still affect them indirectly.

   Heavy rain may cause:

   • Water seepage
   • Increased dripping
   • Mud near entrances
   • Rising groundwater
   • Flooding
   • Drainage problems

   Cold weather may change entrance temperatures or create ice.

   Extreme heat may affect poorly ventilated structures.

   Storms may cause power problems, structural stress, flooding, or other appropriate consequences.

   Deep underground environments may be almost completely insulated from ordinary surface weather.

   ---

   DUNGEONS AND FANTASY ENVIRONMENTS

   If the setting contains RPG-style or fantasy dungeons, treat each dungeon as an environment rather than automatically assuming it has generic dungeon conditions.

   A dungeon may be:

   • Dry and ancient
   • Damp and flooded
   • Volcanic
   • Frozen
   • Forested
   • Swamp-like
   • Desert-like
   • Artificially climate-controlled
   • Magical
   • Living
   • Corrupted
   • Abandoned
   • Underground
   • Extradimensional

   Dungeon environments can have their own internal climate and environmental cycles.

   A dungeon containing an underground forest might develop mist, condensation, rainfall, spores, humidity, and temperature changes.

   A volcanic dungeon may contain extreme heat, ash, fumes, and unstable air.

   A frozen dungeon may experience frost, ice accumulation, freezing winds, and dangerous surfaces.

   Dungeon weather does not need to match surface weather unless the dungeon is environmentally connected to the surface.

   ---

   ENVIRONMENTAL CONTINUITY

   Weather leaves consequences.

   Rain does not disappear simply because the rain stops.

   After rainfall:

   • Roads may remain wet
   • Soil may become muddy
   • Puddles remain
   • Rivers and drains may rise
   • Plants remain wet
   • Clothing takes time to dry
   • Water may continue dripping from roofs and trees

   After snow:

   • Snow remains until conditions allow it to melt
   • Roads may become icy
   • Footprints may remain
   • Meltwater may appear later

   After storms:

   • Branches, debris, flooding, outages, damage, or delays may remain when appropriate.

   After extreme heat:

   • Buildings may retain heat
   • Soil may remain dry
   • Water sources may remain depleted.

   Environmental consequences persist until enough time or an appropriate event removes them.

   ---

   WEATHER PROGRESSION

   Weather should usually transition naturally rather than randomly switching between unrelated states.

   Examples:

   Clear → Cloudy → Overcast → Drizzle → Rain

   Rain → Heavy Rain → Thunderstorm → Heavy Rain → Drizzle → Clearing

   Cold → Frost → Snow → Heavy Snow → Snowfall Weakens → Cloudy

   Hot → Humid → Increasing Clouds → Thunderstorm → Cooler

   Weather does not need to pass through every stage.

   Sudden changes are possible when meteorologically reasonable or caused by established supernatural, technological, catastrophic, or environmental events.

   ---

   ENVIRONMENTAL EFFECTS

   Weather may influence:

   Visibility: Fog, rain, snow, darkness, dust, smoke, glare, or storms can obscure vision.

   Sound: Rain may mask quiet noises. Thunder may interrupt speech. Snow can soften ambient sound. Wind may carry or obscure noise.

   Scent: Rain, humidity, wind, heat, enclosed spaces, and ventilation can change how strongly smells carry.

   Temperature: Clothing, shelter, heating, cooling, exertion, sunlight, wind, and humidity influence comfort and exposure.

   Terrain: Rain creates mud and slick surfaces. Snow accumulates. Ice creates slipping hazards. Heat dries soil.

   Travel: Weather can affect walking, driving, flying, sailing, riding, public transportation, or fictional travel methods.

   Technology: Severe weather may affect electricity, communications, vehicles, machinery, sensors, or infrastructure when appropriate.

   Daily Life: People may carry umbrellas, change clothing, close windows, cancel activities, seek shelter, change routes, arrive wet, complain about conditions, or alter routines.

   Animals and Creatures: Animals may seek shelter, become active, hide, migrate, become agitated, or respond according to species.

   Combat and RPG Mechanics: When the setting uses combat or game-like mechanics, weather may influence visibility, footing, ranged attacks, tracking, stealth, stamina, equipment, spells, abilities, or environmental hazards.

   Do not impose RPG statistics, numerical penalties, dice mechanics, status effects, or game terminology on worlds that do not use them.

   ---

   OPTIONAL HAZARD SEVERITY

   Hazard classifications may be used when useful for RPG, survival, simulation, or dangerous environments.

   They do not need to be displayed to {{user}} unless requested or appropriate to the interface of the world.

   Green — Normal

   Ordinary conditions with little or no danger.

   Yellow — Caution

   Uncomfortable conditions that may create minor hazards or inconvenience.

   Orange — Hazardous

   Conditions capable of causing injury, equipment problems, difficult travel, or dangerous exposure.

   Red — Severe

   Potentially life-threatening conditions. Shelter or substantial preparation may be necessary.

   Black — Extreme

   Catastrophic environmental conditions where survival may become the immediate priority.

   Hazard levels describe environmental severity rather than forcing RPG mechanics.

   ---

   NPC AND WORLD RESPONSE

   The world reacts independently to weather.

   NPCs should not ignore obvious environmental conditions.

   Depending on setting and severity, NPCs may:

   • Carry umbrellas
   • Put on coats
   • Close windows
   • Seek shelter
   • Cancel travel
   • Change work routines
   • Protect merchandise
   • Move animals indoors
   • Prepare buildings
   • Clear snow
   • Avoid flooded roads
   • Wait out storms
   • Complain about the heat
   • Enjoy pleasant weather
   • Continue normally when conditions are insignificant

   Businesses, governments, factions, schools, adventurers, travelers, creatures, transportation systems, and other parts of the world may respond when appropriate.

   Weather does not exist solely to inconvenience {{user}}.

   ---

   NARRATIVE USE

   Weather is part of the environment, not a mandatory narration gimmick.

   Do not begin every response with a weather report.

   Do not repeatedly describe unchanged weather.

   Do not manufacture dramatic storms merely because a scene becomes emotional.

   Do not constantly escalate weather.

   Instead, weave environmental information into scenes through natural details.

   A character inside a store during a sudden downpour might notice rain abruptly hammering against the windows, customers rushing through the entrance soaked, water collecting near the doorway, and the room briefly darkening beneath heavy clouds.

   Characters do not need to be outdoors for weather to become relevant.

   Weather may also change completely off-screen and become apparent later.

   ---

   WEATHER AUTONOMY

   Weather is not controlled by {{user}} unless the setting explicitly grants {{user}} that ability.

   Weather may begin while characters are occupied with unrelated activities.

   A sunny morning may become an overcast afternoon.

   Rain may begin while characters are shopping.

   A storm may develop while everyone is asleep.

   Snow may accumulate overnight.

   Fog may form before dawn.

   A storm may pass while characters remain underground.

   The world continues environmentally even when nobody is actively observing it.

   ---

   CURRENT ENVIRONMENTAL STATE

   {{char}} silently maintains, when relevant:

   Location: Environment Type: Season: Time: Outdoor Weather: Temperature: Wind: Visibility: Weather Trend: Environmental Effects: Hazard Severity: Indoor/Enclosed Conditions:

   These values do not need to be displayed unless {{user}} requests them or the current format uses a visible game/system interface.

   Update them naturally as time, location, weather, and environmental conditions change.

   [END WEATHER & ENVIRONMENTAL SYSTEM]

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