See Storms, below, for more details.īetween 60° and 85° Fahrenheit during the day, 10 to 20 degrees colder at night. Wind speeds are severe (30 to 50 mph) and visibility is cut by three-quarters. By contrast, hail lasts for only 1d20 minutes but usually accompanies 1d4 hours of rain. Snow and sleet occur only when the temperature is 30° Fahrenheit or below. Roll d% to determine whether the precipitation is fog (01-30), rain/snow (31-90), or sleet/hail (91-00).
Tornadoes are very short-lived (1d6×10 minutes), typically forming as part of a thunderstorm system. Hurricanes can last for up to a week, but their major impact on characters will come in a 24-to-48-hour period when the center of the storm moves through their area. In addition, blizzards are accompanied by heavy snow (1d3 feet), and hurricanes are accompanied by downpours (see above). Wind speeds are over 50 mph (see Table: Wind Effects). Powerful Storm (Windstorm/Blizzard/Hurricane/Tornado) A downpour lasts for 2d4 hours.īetween 85° and 110° Fahrenheit during the day, 10 to 20 degrees colder at night.īetween 40° and 60° Fahrenheit during the day, 10 to 20 degrees colder at night. Treat as rain (see Precipitation, below), but conceals as fog. Terms on that table are defined as follows.īetween 0° and 40° Fahrenheit during the day, 10 to 20 degrees colder at night. Table: Random Weather is an appropriate weather table for general use, and can be used as a basis for a local weather tables. Sometimes weather can play an important role in an adventure. Windstorm, blizzard 4, hurricane, tornado Marsh regions are slightly warmer in winter. Winter is cold, summer is warm, spring and autumn are temperate.Temperate includes forest, hills, marsh, mountains, plains, and warm aquatic.
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