Very dangerous winds can damage roofs, siding and gutters, break large tree limbs, topple shallow-rooted trees and cause power outages lasting days.

Extremely dangerous winds can cause extensive roof and siding damage, snap or uproot many trees, block roads and produce outages lasting days to weeks.

Devastating damage can occur, including major structural roof damage, widespread tree loss and prolonged loss of electricity and water.

Catastrophic damage is possible, with severe structural damage, widespread downed trees and power poles, isolated communities and outages lasting weeks or longer.

Catastrophic destruction is possible, including failure of many framed homes, widespread infrastructure damage and long-duration loss of essential services.