Still, the storm surge was both stronger and earlier than expected, apparently coming through waterways southeast of the city, said Col. Richard Wagenaar, the Army Corps of Engineers' district chief in New Orleans.
Even though the storm surge was both stronger and earlier than expected, nothing was found through waterways northeast of the city.
( z1 have-concession :ARG1 ( z2 find :ARG1 ( z3 nothing ) :path ( z4 waterway :location ( z5 relative-position :op ( z6 city ) :direction ( z7 northeast ) ) ) ) :ARG2 ( z8 and :op ( z9 strong :ARG1 ( z10 surge :ARG0 ( z11 storm ) ) :ARG2-of ( z12 have-degree :ARG1 z10 :ARG3 ( z13 more ) ) ) :op ( z14 early :domain z10 :ARG2-of ( z15 have-degree :ARG1 z10 :ARG3 ( z16 more ) :ARG4 ( z17 expect ) ) ) ) )