Tropical Storm Risk

Time		Position		Strength		Wind Probabilities		Wind Model
GMT	Lead	Lat	Long	Peak Wind	Cat	TS	Cat 1 or Above	Wind Field
4 Sep, 21:00	0 hrs	27.3 N	112.4 W	25 kts	TD	Click Here	Click Here	N/A

FORECAST DATA

Time		Position		Strength		Wind Probabilities		Wind Model
GMT	Lead	Lat	Long	Peak Wind	Cat	TS	Cat 1 or Above	Wind Field
5 Sep, 6:00	9 hrs	26.9 N	112.9 W	20 kts	TD	To 9 hrs	To 9 hrs	N/A

Forecast lead times used by TSR are referenced to the current data time. These lead times differ from those used by the US National Hurricane Center which are referenced to the current data time minus 3 hours.

PAST DATA

Current Update	4 Sep, 2009 21:00	Prior Wind Affected Areas	TS and Cat 1 Winds

PAST AND FORECAST TRACK

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
Hurricane	Cat 1	64-82	74-95	119-153
Hurricane	Cat 2	83-95	96-110	154-177
Intense Hurricane	Cat 3	96-113	111-130	178-210
Intense Hurricane	Cat 4	114-135	131-155	211-250
Intense Hurricane	Cat 5	>135	>155	>250

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Tropical Storm Risk (TSR)