Tropical Storm Risk (TSR)

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Tropical Storm IRWIN: Probability of tropical storm winds to 93 hours lead

Storm Tracker Map

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

Probability Scale
Chance of Happening	Value		Chance of Happening	Value
Extremely Low	10%		Medium-High	60%
Very Low	20%		High	70%
Low	30%		Very High	80%
Medium-Low	40%		Extremely High	90%
Medium	50%		Certain	100%

Note that all probabilities refer to the occurrence of 1-min sustained wind speeds.

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Wind Probabilities
Prior Affected Area

Tropical Storm Wind Probabilities

Current
To 9 hours lead
To 21 hours lead
To 33 hours lead
To 45 hours lead
To 69 hours lead
To 93 hours lead
To 117 hours lead

Cat 1 or Above Wind Probabilities

Current
To 9 hours lead
To 21 hours lead
To 33 hours lead
To 45 hours lead
To 69 hours lead
To 93 hours lead
To 117 hours lead

Point Zooms

0 hours lead
9 hours lead
21 hours lead
33 hours lead
45 hours lead
69 hours lead
93 hours lead
117 hours lead

Prior Wind Affected Areas

Researched and Developed by Mark Saunders, Frank Roberts and Adam Lea
TSR Version 4.1 Copyright © 2023 UCL University College London, UK
Last updated on 29 Aug, 2023 20:46 GMT

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