|
1
|
33-42 m/s
64-82 kt
119-153 km/h
74-95 mph
|
Very dangerous winds with some damage
- Usually no significant structural damage to most permanent structures
- Can topple unanchored mobile homes
- Can uproot or snap trees
- Poorly attached roof shingles or tiles can blow off
- Possible coastal flooding
- Possible widespread to extensive power outages
|
- Barbara (2013)
- Isaac (2012)
- Humberto (2007)
- Claudette (2003)
- Jerry (1989)
|
|
2
|
43-49 m/s
83-95 kt
154-177 km/h
96-110 mph
|
Extremely dangerous causing extensive damage
- Often damage roofing material
- Often damage upon poorly constructed doors and windows
- Many uprooted or snapped trees
- Mobile homes damaged or even destroyed
- Likely extensive to near-total power outages and scattered loss of potable water
|
- Arthur (2014)
- Ernesto (2012)
- Alma (1996)
- Erin (1995)
- Diana (1990)
|
|
3
|
50-58 m/s
96-112 kt
178-208 km/h
111-129 mph
|
Devastating Damage
- Can cause structural damage to small residences and utility buildings
- Mobile homes usually destroyed
- Usually severe or irreparable damage to manufactured homes
- Flooding near coast destroys small structures
- Many uprooted or snapped trees
- Terrain may be flooded well inland
- Near-total to total power loss for up to several weeks likely
- Water likely to be lost or contaminated
|
- Karl (2010)
- Lane (2006)
- Isidore (2002)
- Fran (1996)
- Roxanne (1995)
|
|
4
|
58-70 m/s
113-136 kt
209-251 km/h
130-156 mph
|
Severly devastating damage
- More extensive curtainwall failures
- Some complete structural failure on small residences
- Mobile and manufactured homes often flattened
- Most trees uprooted or snapped
- Extensive beach erosion
- Possible flooding of terrain far inland
- Total and long-lived electrical and water losses expected
|
- Gustav (2008)
- Dennis (2005)
- Charley (2004)
- Luis (1995)
- Iniki (1992)
|
|
5
|
>= 70 m/s
>= 137 kt
>= 252 km/h
>= 157 mph
|
Catastrophic damage
- Complete roof failure on many residences and industrial buildings
- Some complete building failures
- Small utility buildings blown over or away
- Collapse of many wide-span roofs and walls
- Very heavy and irreparable damage to many wood frame structures
- Total destruction to mobile/manufactured homes prevalent
- Only very well-constructed structures not destroyed
- Flooding causes major damage to lower floors of all structures near shoreline
- Massive evacuation of residental areas may be required
- Total and extremely long-lived extensive power outages and water losses expected
|
- Patricia (2015)
- Felix (2007)
- Dean (2007)
- Andrew (1992)
- Gilbert (1988)
|
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