Alter Winds

School transmutation [air]; Level druid 1, sorcerer/wizard 1
Casting Time: 1 minute
Components: V, S
Range: touch
Area: immobile 10-ft.-radius emanation
Duration: 1 hour/level
Saving Throw: Will negates; Spell Resistance yes

You subtly enhance or diminish the effects of natural winds within the spell's area, which is an immobile emanation around a point touched by you as the spell is cast. Within the area, natural (but not magical) wind effects are either increased or decreased by one step in intensity. The maximum wind force you can affect with this spell is based on your caster level, as shown on the table below. Alter winds has no effect on magical wind effects.

Caster Level Wind Force
1st-3rd Light
4th-9th Moderate
10th-15th Strong
16th or higher Severe

Winds

The wind can create a stinging spray of sand or dust, fan a large fire, keel over a small boat, and blow gases or vapors away. If powerful enough, it can even knock characters down (see Table: Wind Effects), interfere with ranged attacks, or impose penalties on some skill checks.

Table: Wind Effects

Wind Force Wind Speed Ranged Attacks Normal/Siege Weapons 1 Checked Size2 Blown Away Size Fly Penalty
Light 0–10 mph —/—
Moderate 11–20 mph —/—
Strong 21–30 mph –2/— Tiny –2
Severe 31–50 mph –4/— Small Tiny –4
Windstorm 51–74 mph Impossible/–4 Medium Small –8
Hurricane 75–174 mph Impossible/–8 Large Medium –12
Tornado 175–300 mph Impossible/impossible Huge Large –16

1 The siege weapon category includes ballista and catapult attacks as well as boulders tossed by giants.

2 Checked Size: Creatures of this size or smaller are unable to move forward against the force of the wind unless they succeed on a DC 10 Strength check (if on the ground) or a DC 20 Fly skill check if airborne.

3 Blown Away Size: Creatures on the ground are knocked prone and rolled 1d4 × 10 feet, taking 1d4 points of nonlethal damage per 10 feet, unless they make a DC 15 Strength check. Flying creatures are blown back 2d6 × 10 feet and take 2d6 points of nonlethal damage due to battering and buffeting, unless they succeed on a DC 25 Fly skill check.

Light Wind: A gentle breeze, having little or no game effect.

Moderate Wind: A steady wind with a 50% chance of extinguishing small, unprotected flames, such as candles.

Strong Wind: Gusts that automatically extinguish unprotected flames (candles, torches, and the like). Such gusts impose a –2 penalty on ranged attack rolls and on Perception checks.

Severe Wind: In addition to automatically extinguishing any unprotected flames, winds of this magnitude cause protected flames (such as those of lanterns) to dance wildly and have a 50% chance of extinguishing these lights. Ranged weapon attacks and Perception checks are at a –4 penalty. This is the velocity of wind produced by a gust of wind spell.

Windstorm: Powerful enough to bring down branches if not whole trees, windstorms automatically extinguish unprotected flames and have a 75% chance of blowing out protected flames, such as those of lanterns. Ranged weapon attacks are impossible, and even siege weapons have a –4 penalty on attack rolls. Perception checks that rely on sound are at a –8 penalty due to the howling of the wind.

Hurricane-Force Wind: All flames are extinguished. Ranged attacks are impossible (except with siege weapons, which have a –8 penalty on attack rolls). Perception checks based on sound are impossible: all characters can hear is the roaring of the wind. Hurricane-force winds often fell trees.

Tornado (CR 10): All flames are extinguished. All ranged attacks are impossible (even with siege weapons), as are sound-based Perception checks. Instead of being blown away (see Table: Wind Effects), characters in close proximity to a tornado who fail their Fortitude saves are sucked toward the tornado. Those who come in contact with the actual funnel cloud are picked up and whirled around for 1d10 rounds, taking 6d6 points of damage per round, before being violently expelled (falling damage might apply). While a tornado's rotational speed can be as great as 300 mph, the funnel itself moves forward at an average of 30 mph (roughly 250 feet per round). A tornado uproots trees, destroys buildings, and causes similar forms of major destruction.

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