‘We Are in Unchartered Territory:' USGS Tracks Coyote Creek Flow

USGS experts on Wednesday surveyed water levels at Coyote Creek which spilled into nighborhoods and streets in San Jose Tuesday, causing historic floods. Experts said “it wasn’t so much the velocity, it was the quantity of water that caused the flooding.” “We’re in unchartered territory,” Anthony Guerriero with USGS said. Hydrologists with USGS used all kinds of tools to monitor water flow.