Tropical Storm Risk

Current Satellite Images
Region	Image Type
Atlantic	IR	Visible
Atlantic	WV	IR En
NE Pacific	IR	Visible
NW Pacific	IR	WV
Indian Ocean	IR	Visible
W Australia	IR	WV
E Australia	IR	WV
SW Pacific	IR	WV

Tropical Cyclone Windspeed Scale*
Strength	Category	1 Minute Maximum Sustained Winds
Strength	Category	knots	mph	km/h
Tropical Depression	TD	<34	<39	<63
Tropical Storm	TS	34-63	39-73	63-118
Tropical Cyclone	Cat 1	64-82	74-95	119-153
Tropical Cyclone	Cat 2	83-95	96-110	154-177
Intense Tropical Cyclone	Cat 3	96-112	111-129	178-208
Very Intense TC	Cat 4	113-136	130-156	209-251
Very Intense TC	Cat 5	>136	>156	>251

*Note that the windspeed scale used here is the Saffir-Simpson hurricane wind scale. This differs from wind scales used by regional agencies other than the National Hurricane Center. The category applied to a storm on this site may differ from the category applied by an official regional meteorological agency.

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Wind Probabilities
Prior Affected Area

Tropical Storm Wind Probabilities

Current
To 12 hours lead
To 24 hours lead
To 36 hours lead
To 48 hours lead
To 72 hours lead
To 96 hours lead
To 120 hours lead

Cat 1 or Above Wind Probabilities

Current
To 12 hours lead
To 24 hours lead
To 36 hours lead
To 48 hours lead
To 72 hours lead
To 96 hours lead
To 120 hours lead

Wind Fields

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12 hours lead
24 hours lead
36 hours lead
48 hours lead
72 hours lead
96 hours lead

Point Zooms

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12 hours lead
24 hours lead
36 hours lead
48 hours lead
72 hours lead
96 hours lead
120 hours lead

Prior Wind Affected Areas

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Tropical Storm Risk (TSR)