Which counties get the weather that wears this part?

FEMA's National Risk Index puts Worcester County, MA, Niagara County, NY and Middlesex County, MA highest for ice storms, about 2.99 events a year, against 0.70 in the median county. Ice storms are when wiper blades and winter tires do their work.

Worcester County, MA2.99

Niagara County, NY2.96

Middlesex County, MA2.70

Erie County, NY2.67

Providence County, RI2.42

Hampden County, MA2.32

York County, ME2.32

Strafford County, NH2.29

Orleans County, NY2.24

Boone County, AR2.21

What it shows: Worcester County, MA is the largest at 2.99, followed by Niagara County, NY at 2.96; the smallest shown is Boone County, AR at 2.21.

Source: FEMA National Risk Index v1.20 (December 2025), county table: annualized frequency per hazard · file downloaded 2025-12