Control Weather (spell)
| Range | self |
| Duration | 4-48 hours |
| Area of Effect | 4-16 square miles |
| Casting Time | 3 rounds |
| Saving Throw | none |
| Level | cleric (7th); druid (7th) |
Allows the cleric to change the temperature, conditions and wind force of the surrounding area, depending upon the previous conditions.
Showing below are three tables which the cleric must review in order to determine what changes may be made. Firstly, the temperature may be reduced or increased two grades from whatever it is at present. Thus, a cool day may be made brisk or chilly, or it may be made pleasant or warm.
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The particular weather determines the conditions the cleric may choose — regardless of whatever they were previously. Thus, if the temperature is brisk, the cleric may choose a light fog or a drizzle; if the temperature were warm, the cleric may make threatening clouds or an actual thunderstorm. Only those conditions adjacent to those temperatures may be chosen. A blizzard cannot occur if the temperature is greater than icy; a drizzle cannot occur if the temperature is pleasant or higher.
Finally, the wind force may be stirred up as much as the cleric desires, within the range which the cleric has chosen. Thus, if the cleric has decided that there is a light fog, then the wind force chosen cannot be greater than 0 or 1.
The Beaufort Scale graphic gives a clear vision regarding the effects of wind force.
The time necessary for the change in weather to take place is 10 to 40 rounds (10d4), or between 2 and 8 minutes. If the weather is significantly altered, such as producing or eliminating precipitation, or changing the wind more than three points of force, the effect is so powerful that creatures must make morale check if they are in combat, or else they will break and retreat until the full change of the weather has taken place.
Hurricanes may be started only under certain circumstances — in the deep ocean, where the temperature is either sweaty or sweltering and the water itself is warm and calm. It is not sufficient to raise the (air) temperature to that degree, as this would not sufficiently warm the water; however, the air can be cooled to the sufficient amount — if it imaginably that much hotter where the ocean modifies the temperature.
