Magic‎ > ‎Spells (Paizo)‎ > ‎C‎ > ‎

Call Lightning

School evocation [electricity]; Level druid 3, shaman 3; Domain weather 3; Subdomain catastrophe 3

CASTING

Casting Time 1 round
Components V, S

EFFECT

Range medium (100 ft. + 10 ft./level)
Effect one or more 30-ft.-long vertical lines of lightning
Duration 1 min./level
Saving Throw Reflex half; Spell Resistance yes

By the way...
This spell does not start a fire on a ship.

Source Skull & Shackles Player's Guide