Weather, Atmosphere, and Seasons#
Describe environment with observable conditions: sky, precipitation, wind, visibility, surface response, and light. For example:
late-autumn coastal squall, low charcoal cumulonimbus, wind-driven rain from left to right,
whitecaps and blowing sea spray, wet black rocks, a narrow break of amber sunset at the horizon
Sky coverage and general conditions#
| Term |
Meaning |
Visual cues |
| Clear |
Little or no cloud. |
Open saturated sky, hard direct sun by day. |
| Mostly clear |
Sparse clouds occupy a small part of sky. |
Broad sun with a few cloud accents. |
| Partly cloudy |
Significant blue gaps between clouds. |
Alternating sun and shadow. |
| Mostly cloudy |
Cloud dominates with occasional openings. |
Soft ambient light plus rare sun shafts. |
| Overcast |
Continuous cloud deck covers sky. |
Low contrast, broad diffuse light. |
| Gloomy |
Subjective term; support with dark overcast, low visibility, or rain. |
Cool muted values, heavy cloud base. |
| Fair weather |
Stable pleasant visibility and modest cloud. |
Clean air, gentle breeze. |
| Unsettled |
Rapidly changing cloud, wind, and showers. |
Mixed light and active sky. |
| Stormy |
Strong wind, dark cloud, precipitation, and turbulent light. |
Specify storm type and scale. |
Cloud types#
| Cloud |
Appearance |
Prompt use |
| Cirrus |
High thin fibrous ice streaks. |
delicate feathered cirrus |
| Cirrostratus |
High translucent veil, often creating halos. |
thin cirrostratus with solar halo |
| Cirrocumulus |
Small high ripples or “mackerel sky.” |
fine rippled cirrocumulus |
| Altostratus |
Broad middle-level gray/blue sheet with dim sun. |
sun diffused through altostratus |
| Altocumulus |
Rounded mid-level patches or rolls. |
layered altocumulus field |
| Stratocumulus |
Low lumpy sheet with breaks, larger cells than altocumulus. |
low textured stratocumulus |
| Stratus |
Uniform low gray layer resembling elevated fog. |
low stratus swallowing hilltops |
| Cumulus humilis |
Small fair-weather cotton-like heaps with flat bases. |
scattered fair-weather cumulus |
| Towering cumulus |
Strong vertical cauliflower growth, precursor to storms. |
towering sunlit cumulus |
| Cumulonimbus |
Deep thunderstorm tower with dark base and possible anvil. |
anvil-shaped cumulonimbus |
| Lenticular |
Smooth lens-shaped stationary cloud near mountains. |
stacked lenticular clouds |
| Mammatus |
Hanging pouch-like forms under anvil cloud. |
dramatic mammatus underside |
| Shelf cloud |
Low horizontal wedge at a storm's leading edge. |
approaching shelf cloud |
| Wall cloud |
Localized lowering beneath a severe storm. |
Use only when meteorologically relevant. |
| Contrails |
Linear aircraft condensation streaks, fresh or spreading. |
faint crossing contrails |
Rain and liquid precipitation#
| Term |
Intensity/behavior |
Visible evidence |
| Drizzle |
Tiny closely spaced droplets. |
Soft atmosphere, damp surfaces, subtle streaks. |
| Light rain |
Gentle discrete rainfall. |
Small ripples, darkened pavement. |
| Steady rain |
Continuous moderate precipitation. |
Dense vertical streaks, runoff, umbrellas. |
| Downpour |
Very heavy rainfall. |
Veiled distance, splashes, overflowing gutters. |
| Cloudburst |
Sudden localized extreme downpour. |
Abrupt curtain of rain. |
| Rain shower |
Brief rain with visible breaks in weather. |
Mixed sun/cloud and local rain shaft. |
| Sunshower |
Rain falls while direct sun is present. |
Sparkling droplets, possible rainbow. |
| Wind-driven rain |
Slanted drops under strong wind. |
Clothing and vegetation bent same direction. |
| Freezing rain |
Supercooled rain freezes on contact. |
Clear glaze ice coating branches and wires. |
| Sleet / ice pellets |
Small bouncing translucent pellets. |
Granular accumulation and sharp impacts. |
| Virga |
Precipitation falls from cloud but evaporates before ground. |
Wispy trailing curtains aloft. |
| Rain shaft |
Distant visible column or curtain beneath cloud. |
Localized gray streak from cloud to terrain. |
Surface details: puddles, ripples, splash crowns, beaded droplets, runoff rivulets, wet darkened fabric, mirrorlike asphalt reflections, fogged glass, and mud splatter.
Snow, ice, and winter precipitation#
- Flurries: intermittent light snow with little accumulation.
- Light snowfall: sparse distinct flakes and soft fresh dusting.
- Steady snow: continuous flakes at multiple depths.
- Heavy snow: dense flakes reduce visibility and soften distant forms.
- Blizzard: strong sustained wind, blowing snow, and very low visibility.
- Ground blizzard: wind lifts existing snow even without active snowfall.
- Powder snow: dry loose accumulation with soft plumes and crisp sparkle.
- Wet snow: large sticky flakes and heavy clumps on branches.
- Graupel: soft rounded snow pellets with pebbly accumulation.
- Hail: hard ice stones associated with convective storms.
- Hoarfrost: feathery ice crystals deposited on exposed cold surfaces.
- Rime ice: opaque windward ice formed from freezing fog droplets.
- Glaze ice: smooth transparent coating from freezing rain.
- Black ice: thin nearly invisible ice darkened by substrate beneath.
- Icicles: hanging tapered ice from melt-refreeze cycles.
- Snow crust: hardened top layer over softer snow.
- Slush: wet granular snow-water mixture with dirty tire tracks.
- Sastrugi: wind-carved hard snow ridges.
- Cornice: overhanging wind-deposited snow at a ridge.
Fog, mist, haze, and visibility#
| Term |
Distinction |
Appearance |
| Mist |
Light suspension of droplets, less dense than fog. |
Softened distance, nearby detail retained. |
| Fog |
Cloud at ground level with significantly reduced visibility. |
Layered fading silhouettes. |
| Radiation fog |
Low fog forms over cooling ground, often at dawn. |
Shallow field in valleys and meadows. |
| Advection fog |
Moist air moves over colder surface, common on coasts. |
Broad flowing marine fog. |
| Valley fog |
Dense low layer pooled between slopes. |
Peaks rise above white surface. |
| Upslope fog |
Cloud forms as air rises along terrain. |
Hillsides disappearing upward. |
| Freezing fog |
Droplets freeze onto surfaces. |
Rime-coated edges and muted visibility. |
| Sea mist |
Fine moisture and aerosol near ocean. |
Cool low-contrast horizon. |
| Haze |
Dry fine particles reduce contrast and saturation. |
Warm or gray distant veil. |
| Smog |
Polluted haze, often brown-gray over cities. |
Dirty warm horizon and reduced clarity. |
| Smoke |
Combustion particles with directional plumes or broad veil. |
Gray, blue, brown, or orange-lit layers. |
| Dust |
Mineral particles, often warm tan and wind-driven. |
Gritty veil and visible beams. |
| Aerosol / sea spray |
Fine airborne liquid particles. |
Sparkling backlit mist near waves. |
Use atmospheric perspective to describe distance: each ridge becomes lighter, cooler, lower-contrast, and less detailed.
Wind terms and visible motion#
| Term |
Approximate character |
Environmental cues |
| Still air |
No visible movement. |
Mirror water, vertical smoke, hanging fabric. |
| Light air |
Barely perceptible. |
Smoke drifts, leaves mostly still. |
| Gentle breeze |
Small leaves and loose hair move. |
Soft ripples, lightly lifted fabric. |
| Moderate breeze |
Branches sway and flags extend. |
Visible wavelets and moving clothing. |
| Strong wind |
Large branches move, walking becomes effortful. |
Bent vegetation, airborne debris. |
| Gale |
Severe sustained wind. |
Trees thrash, foam streaks, dramatic spray. |
| Gust |
Brief pulse stronger than ambient wind. |
Sudden localized movement. |
| Crosswind |
Wind moves laterally across subject's path. |
Hair, rain, smoke all angle sideways. |
| Headwind |
Wind opposes movement. |
Clothing presses back, subject leans forward. |
| Tailwind |
Wind follows movement. |
Fabric streams forward relative to subject. |
| Updraft |
Air rises strongly. |
Dust, leaves, birds, or cloud tower lift. |
| Downdraft |
Descending storm air spreads on impact. |
Dust burst and outward-bent vegetation. |
| Whirlwind / dust devil |
Small rotating column. |
Spiral of dust and debris. |
For consistency, specify one direction: wind blows from camera-right to camera-left; hair, coat hem, rain, and smoke all follow that direction.
Severe weather#
- Thunderstorm: cumulonimbus, rain shaft, gusts, lightning, and dark base.
- Squall: sudden sharp increase in sustained wind, often with rain or snow.
- Supercell: rotating organized thunderstorm, sculpted updraft, possible wall cloud.
- Tornado: rotating condensation funnel connected to cloud, debris near ground; scale and distance matter.
- Waterspout: tornado-like vortex over water with spray ring.
- Hurricane / tropical cyclone: huge organized storm; ground scenes show wind and flooding, aerial scenes show spiral bands and eye.
- Monsoon rain: seasonal persistent or intense rainfall; avoid treating a regional climate system as only visual shorthand.
- Dust storm: advancing wall or dense field of windborne dust.
- Sandstorm: sand-laden strong wind in arid terrain with orange-brown low visibility.
- Whiteout: snow/cloud eliminates horizon and depth cues.
- Ice storm: freezing precipitation heavily coats surfaces and causes breakage.
- Heat wave: shimmering air, harsh sun, dry surfaces, fatigue cues; heat itself is invisible.
- Drought: cracked soil, reduced water, stressed vegetation, dust, and exposed banks.
- Flood: water occupies normally dry space with current, debris, tide lines, and reflections.
Lightning and electrical sky effects#
| Term |
Shape/location |
| Cloud-to-ground lightning |
Branching channel connects cloud and terrain. |
| Intracloud lightning |
Cloud glows internally without clear ground strike. |
| Sheet lightning |
Diffuse flash illuminates cloud layers. |
| Forked lightning |
Visible branching bolt. |
| Positive lightning |
Powerful strike often from upper storm region; visually a long clear channel. |
| Heat lightning |
Distant lightning whose thunder is not heard; horizon clouds flicker. |
| Sprite |
Brief red upper-atmosphere discharge above storms. |
| Ball lightning |
Rare disputed luminous sphere; best treated as fantastical/exceptional. |
Atmospheric optical phenomena#
- Rainbow: colored arc opposite the sun in rain; primary bow is red outermost, violet innermost.
- Double rainbow: secondary bow is fainter with reversed color order and darker Alexander's band between.
- Fogbow: broad pale nearly white bow in fog.
- Glory: colored rings around the antisolar point, often around an aircraft shadow.
- Brocken spectre: magnified observer shadow projected onto cloud with possible glory.
- Sun halo / 22-degree halo: ring around sun caused by ice crystals.
- Moon halo: analogous ring around moon.
- Sundogs / parhelia: bright colored spots to either side of low sun.
- Light pillar: vertical column above/below source reflected by plate ice crystals.
- Corona: small colored rings close around sun or moon from diffraction in droplets.
- Iridescent clouds: pastel color bands in thin cloud near sun.
- Crepuscular rays: apparent divergent sunbeams through cloud gaps.
- Anticrepuscular rays: rays appear to converge opposite the sun.
- Green flash: brief green rim at sunset/sunrise under clear horizon conditions.
- Mirage: refracted displaced/inverted image near hot or layered air.
- Aurora: flowing luminous curtains and rays, commonly green with red/violet; night sky remains visible.
- Zodiacal light: faint triangular glow along ecliptic after dusk or before dawn.
Times of day#
| Term |
Light and sky cues |
| Astronomical dawn |
Earliest faint sky glow; most stars remain visible. |
| Nautical dawn |
Horizon becomes distinguishable; deep blue ambient light. |
| Civil dawn |
Enough natural light for many outdoor activities; sun still below horizon. |
| Sunrise |
Solar disk crosses horizon, warm low direct light. |
| Early morning |
Low clean directional light, long shadows, possible dew/mist. |
| Late morning |
Higher brighter light with moderate shadows. |
| Solar noon |
Sun at daily maximum altitude; shortest shadows. |
| Afternoon |
Directional light gradually lowers and warms. |
| Golden hour |
Low warm sun, long shadows, atmospheric glow. |
| Sunset |
Sun crosses below horizon; warm disk and layered sky color. |
| Civil twilight |
Bright afterglow, terrestrial details remain visible. |
| Nautical twilight |
Deep cobalt sky, horizon faint, city lights prominent. |
| Astronomical twilight |
Last residual sky glow before full night. |
| Blue hour |
Cool saturated twilight, often balanced with warm practical lights. |
| Night |
Specify moon phase, artificial light, cloud, and exposure rather than relying on darkness alone. |
Seasonal cues#
Spring#
- Fresh translucent leaf growth; buds, catkins, blossoms, and saturated young grass.
- Thawing soil, puddles, runoff, variable showers, and lingering highland snow.
- Longer angled daylight, cool shade, pollen, and windblown petals.
- Avoid universal blossom choices; species and timing depend on region.
Summer#
- Dense mature foliage, high sun, short midday shadows, heat haze, insects, dust, or humidity.
- Dry bleached grass in some climates; lush monsoon growth in others.
- Long twilight at high latitudes, strong thunderstorms, bright saturated outdoor color.
Autumn / fall#
- Yellow, ochre, orange, red, russet, and brown foliage with species-specific variation.
- Fallen leaf litter, seed heads, harvest residue, morning fog, dew, and lower sun.
- Bare branches appear progressively; surfaces can be wet, frosted, or windblown.
Winter#
- Low sun, long blue shadows, bare deciduous structure, muted vegetation, frost or snow where climate supports it.
- Warm interior light contrasts with cool exterior ambient light.
- Snow is not universal; maritime winters may be wet, dark, green, and windy.
Climate-specific seasons#
- Wet season: lush growth, swollen rivers, frequent cloud and saturated wet surfaces.
- Dry season: dusty vegetation, exposed soil, lower water, smoke/haze in some regions.
- Monsoon transition: building cloud towers, dramatic humidity, intense rain cycles.
- Polar day: sun remains near horizon and never sets, producing prolonged lateral light.
- Polar night: no sunrise, but twilight, moonlight, snow reflection, and aurora may illuminate scenes.
Ground and surface conditions#
- Dewy: fine droplets on cool surfaces, sparkling in low light.
- Frosted: crystalline white edge coating, often on grass and glass.
- Rain-soaked: darker porous materials, saturated color, puddles and reflections.
- Muddy: wet soil deformation, footprints, splashes, tire ruts.
- Waterlogged: standing water and compressed saturated ground.
- Dusty: pale deposits on upward surfaces and airborne disturbance.
- Sun-baked: dry faded material, cracks, hard shadows.
- Wind-scoured: loose matter stripped away, directional abrasions or drifts.
- Snow-covered: state depth, age, tracks, and whether snow clings to vertical surfaces.
- Icy: glossy or frosted frozen water with appropriate reflections and traction cues.
Prompt patterns#
quiet dawn meadow after a cold clear night, shallow radiation fog pooled below waist height,
heavy dew on spiderwebs and grass, pale peach horizon beneath cool cirrus, almost still air
urban summer cloudburst at blue hour, dense slanted rain, deep puddles reflecting amber buses
and cyan shop lights, runoff along curbs, distant buildings fading behind a gray rain curtain
high alpine winter ridge, wind-scoured hard snow and sculpted sastrugi, fine spindrift blowing
left to right, sharp low sun, deep blue sky, distant peaks softened by ice-crystal haze
Weather must affect the whole scene. Align clouds, light, clothing, vegetation, visibility, ground condition, and reflections with the named conditions.