GiftOutline Gift Article AdvertisementUnlike hurricanes, these large and powerful storms go unnamed, Capital Weather Gangs severe-weather expert Jeff Halverson wrote in describing these storms in 2015. Most of the Aleutian Islands are uninhabited. The center of what forecasters refer to as bomb cyclone was measured at a record-low barometric pressure of 921 millibars, equivalent to the eye of a Category 4 hurricane and the lowest documented over the Aleutians as far back as the 1950s, Brettschneider said. And unlike hurricanes, they derive their energy from an entirely different process.
Moderation starts the engines of strange and powerful waters.
( z0 start :ARG0 ( z1 moderate ) :ARG1 ( z2 engine :poss ( z3 water :ARG1-of ( z4 powerful ) :mod ( z5 strange ) ) ) )
(z0 / start-01
    :ARG0 (z1 / moderate-01)
    :ARG1 (z2 / engine
              :poss (z3 / water
                        :ARG1-of (z4 / powerful-02)
                        :mod (z5 / strange))))
Moderation starts the engines of strange and powerful waters .
z0 :ARG0 z1
z0 :ARG1 z2
z3 :ARG1-of z4
z3 :mod z5
z2 :poss z3