NW Pacific: Storm Alert issued at 9 Apr, 2026 0:00 GMT
Tropical Depression FOUR is currently located near 8.7 N 152.1 E with maximum 1-min sustained winds of 25kts (29 mph). FOUR is forecast to affect land to the following likelihood(s) at the given lead time(s):
Yellow Alert Country(s) or Province(s)
the Northern Mariana Islands
probability for CAT 1 or above is 10% in about 96 hours
probability for TS is 45% in about 120 hours
Guam
probability for CAT 1 or above is 10% in about 96 hours
probability for TS is 50% in about 120 hours
Yellow Alert City(s) and Town(s)
Hagatna (13.5 N, 144.8 E)
probability for CAT 1 or above is 10% in about 96 hours
probability for TS is 50% in about 120 hours
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 Typhoon 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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