When this move is used a sandstorm will brew. This effect will last for 5 turns. This clears any other weather effect.
While Sandstorm is in effect, all Pokémon who are not of the Steel-, Rock-, or Template:Type2s will be damaged 1/16 of their maximum HP at the end of each turn. Pokémon in the semi-invulnerable turn of Dig will also not take damage from Sandstorm, regardless of type.
Generation III
Sandstorm works as in Generation II. Pokémon with the Sand Stream ability invoke a semi-permanent sandstorm when entering battle. Pokémon with the Sand Veil ability increase their Evasion by 1 stage (25%) and are immune to Sandstorm's damaging effect. Moonlight and Morning Sun only restore ¼ of the user's maximum HP. Dive will also prevent damage from Sandstorm during the semi-invulnerable turn.
In addition to all effects from Generation III, all Rock-type Pokémon will have their Special Defense raised by 50% for the duration of the sandstorm. Synthesis also restores only ¼ of the user's maximum HP. Also, if a Smooth Rock is held when Sandstorm is used, its duration is lengthened from 5 to 8 turns.
Steelix lifts its head straight up and spins around, creating a sand tornado, or the rocks with the giant spikes on Steelix's upper-body spin rapidly and sand is released from them.
Gible waves one arm to kick up sand, then waves the other to create the sandstorm, or Gible repeatedly waves its arms and a sandstorm comes out of them.
