Intensity Scale is used to categorize hurricane strength and potential damage. Public broadcasts generally include a hurricane’s category. This table shows the parameters (wind speed and storm surge), criteria, and expected damage of each category of hurricane. Note: Damage descriptions are provided in NOAA's "Hurricane and Disaster Brochure". Click a damage level below for a description.
Category Wind Speed Storm Surge Damage
Km/hr mi/hr m ft
1 119-154 74-95 1-2 4-5 Minimal
2 155-178 96-110 2-3 6-8 Moderate
3 179-210 111-130 3-4 9-12 Extensive
4 211-250 131-155 4-6 13-18 Extreme
5 >250 >155 >6 >18 Catastrophic
Click Table of Contents when finished looking at descriptions
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