Regional Climate

Random tables for determining climate effects for various climate regions.

Arctic

d100Climate EffectDescription

1-20

Blizzard

Intense snowfall with strong winds.

21-30

Snowstorm

Heavy snowfall, reducing visibility.

31-40

Icy Winds

Bitingly cold winds, risk of frostbite.

41-50

Whiteout Conditions

Near-zero visibility in snow.

51-60

Freezing Fog

Dense fog that leaves a layer of frost.

61-70

Frigid Clear Skies

Clear skies but extremely cold.

71-80

Aurora Borealis

Northern lights visible in the sky.

81-85

Sudden Thaw

Temporary, unexpected increase in temperature.

86-90

Harsh Cold Snap

Sudden drop in temperature, even colder than usual.

91-100

Starlit Night

Clear night sky, stars visible in abundance.

Desert

d100Climate EffectDescription

1-20

Scorching Heat

Extreme heat, potentially dangerous.

21-30

Sandstorm

Reduced visibility, abrasive winds.

31-40

Mirage

Optical illusions of water or shelter.

41-50

Dry Winds

Hot, moisture-sapping winds.

51-60

Night-Time Temp Drop

Significant drop in temperature after sunset.

61-70

Rare Rain Shower

Brief, unexpected rainfall.

71-80

Cloudy with No Relief

Overcast skies, but still oppressively hot.

81-90

Sudden Flash Flood

Rapid, unexpected flooding.

91-95

Sun Shower

Light rain while the sun is still shining.

96-100

Cool Breeze

Unusually refreshing, cool wind.

Mountain

d100Climate EffectDescription

1-10

Snow at Higher Elevations

Snowfall only at higher altitudes.

11-20

Strong Wind Gusts

Powerful winds, particularly at peaks.

21-30

Fog in Valleys

Thick fog settles in lower areas.

31-40

Sudden Temperature Drop

Quick and unexpected drop in temperature.

41-50

Clear Skies

Unobstructed views under clear skies.

51-60

Thin Air

Reduced oxygen levels at high altitudes.

61-70

Rockslide Risk

Increased chance of rockslides.

71-80

Sunny with Strong UV

Bright sun with increased UV exposure.

81-90

Rapid Cloud Formation

Clouds form and disperse quickly.

91-95

Hail Storm

Sudden hail, potentially dangerous.

96-100

Starry Night

Exceptionally clear night sky, great visibility.

Tropical

d100Climate EffectDescription

1-15

Monsoon

Heavy rain and strong winds for extended periods.

16-30

High Humidity and Heat

Uncomfortably hot and sticky weather.

31-40

Sudden Thunderstorm

Quick but intense storm with heavy rain.

41-50

Overcast with Drizzle

Light, constant rain under cloudy skies.

51-60

Partly Cloudy with Sun Showers

Sporadic rain despite some sunshine.

61-70

Bright and Sunny

Clear skies and strong sun.

71-80

Sticky Night

Humid and warm evening.

81-90

Muggy Morning

Warm and humid morning conditions.

91-95

Tropical Breeze

Gentle, warm wind carrying ocean scents.

96-100

Rare Clear Night

Unusually clear and starry night sky.

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