Wind

Special; Area
Modifies the current outdoor wind conditions. Each application of the spell can shift the wind direction by 22.5 degrees (from W to WSW, for example), or change wind speed by one level on the Beaufort Scale (see below). To achieve combined direction/speed changes, or more extreme changes in one or the other, increase cost proportionately.
The spell may be cast on an area, affecting the wind moving over it from the ground to an altitude of about 300 feet. It can also be cast on an object, such as a sailing ship, which it must then encompass in its entirety. The area of effect then moves with the object.

Duration: 1 hour.
Base cost: 1/50 (minimum 1). Same cost to maintain.
Time to cast: 1 minute.
Prerequisite: Windstorm.

Item
Staff, wand, or jewelry.
Energy cost to create: 300.

The Beaufort Scale
Beaufort Degree Description Wind Speed (mph) Average Wave Height at Sea (feet) Notes
0 Calm 0
1 Light Air 1-3 0
2 Light Breeze 4-7 0-1
3 Gentle Breeze 8-12 1-2 Breaking crests
4 Moderate Breeze 13-18 2-4 Some foam
5 Fresh Breeze 19-24 4-8
6 Strong Breeze 25-31 8-13 Some spray
7 Moderate Gale 32-38 13-20 Some spindrift
8 Fresh Gale 39-46 13-20
9 Strong Gale 47-54 13-20 Sea begins to roll
10 Whole Gale 55-63 20-30 Visibility affected
11 Storm 64-72 30-45
12 Hurricane 73-82 45
13 Hurricane 83-92
14 Hurricane 93-103
15 Hurricane 104-114
16 Hurricane 115-125
17 Hurricane 126+