N Atlantic: Storm Alert issued at 1 Aug, 2020 3:00 GMT
Hurricane ISAIAS is currently located near 23.3 N 76.4 W with maximum 1-min sustained winds of 70 kts (81 mph). ISAIAS is a category 1 storm on the Saffir Simpson Hurricane Wind Scale. ISAIAS is forecast to affect land to the following likelihood(s) at the given lead time(s):
Red Alert Country(s) or Province(s)
the Bahamas
probability for CAT 1 or above is 100% currently
probability for TS is 100% currently
Red Alert City(s) and Town(s)
Nassau (25.1 N, 77.3 W)
probability for CAT 1 or above is 60% within 9 hours
probability for TS is 100% within 9 hours
Yellow Alert Country(s) or Province(s)
the United States
probability for CAT 1 or above is 25% in about 33 hours
probability for TS is 65% in about 21 hours
Yellow Alert City(s) and Town(s)
San Salvador (24.0 N, 74.5 W)
probability for TS is 95% currently
Freeport (26.6 N, 78.6 W)
probability for CAT 1 or above is 25% in about 21 hours
probability for TS is 80% in about 21 hours
West Palm Beach (26.6 N, 80.1 W)
probability for CAT 1 or above is 25% in about 33 hours
probability for TS is 65% in about 21 hours
Miami (25.8 N, 80.3 W)
probability for CAT 1 or above is 20% in about 33 hours
probability for TS is 55% in about 21 hours
Orlando (29.0 N, 81.5 W)
probability for CAT 1 or above is 15% in about 45 hours
probability for TS is 40% in about 45 hours
Note that
Red Alert (Severe) is CAT 1 or above to between 31% and 100% probability.
Yellow Alert (Elevated) is CAT 1 or above to between 10% and 30% probability, or TS to above 50% probability.
CAT 1 means Hurricane 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).