SW Pacific: Storm Alert issued at 19 Dec, 2020 0:00 GMT
Tropical Storm YASA is currently located near 21.0 S 178.3 W with maximum 1-min sustained winds of 50kts (58 mph). YASA is forecast to affect land to the following likelihood(s) at the given lead time(s):
Yellow Alert City(s) and Town(s)
Nuku' alofa (21.1 S, 175.2 W)
probability for TS is 75% currently
Note that
Yellow Alert (Elevated) is CAT 1 or above to between 10% and 30% probability, or TS to above 50% probability.
CAT 1 means Tropical Cyclone strength winds of at least 74 mph, 119 km/h or 64 knots 1-min sustained.
TS means Tropical Storm strength winds of at least 39 mph, 63 km/h or 34 knots 1-min sustained.
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This alert is provided by Tropical Storm Risk (TSR).