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Tropical Storm Sam strengthening

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Posted at 11:15 AM, Sep 23, 2021
and last updated 2021-09-23 17:01:00-04

UPDATE 9/23/21 5PM

Tropical Storm Sam continues to strengthen & is expected to become a hurricane by tomorrow. Rapid intensification is forecast over the next few days with favorable conditions out ahead of it. Sam is moving west at 16mph but an. eventual turn to the NW is forecast. At this point, it is no threat to the US.

FOX 4 METEOROLOGIST CINDY PRESZLER

UPDATE 11AM 9/23/21:

Tropical Storm Sam has formed in the Atlantic becoming the 18th named storm of the year. It is forecast to become a hurricane tomorrow and eventually a major hurricane early next week as it continues northwest.

Recent satellite wind data indicates maximum sustained winds have increased to near 50 mph with higher gusts. Additional strengthening is forecast over the next several days, and Sam is now forecast to become a hurricane tomorrow and be near major hurricane intensity by the end of the weekend. Tropical storm force winds extend outward up to 45 miles from the center. The estimated minimum central pressure is 1003 mb.

FOX 4 MORNING METEOROLOGIST TRENT ARIC

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HURRICANE TERMS TO KNOW

Tropical Storm WATCH: An announcement that tropical storm conditions (sustained winds of 39 to 73 mph) are possible within the specified coastal area within 48 hours.

Tropical Storm WARNING: An announcement that tropical storm conditions (sustained winds of 39 to 73 mph) are expected within the specified coastal area within 36 hours.

Hurricane WATCH: An announcement that hurricane conditions (sustained winds of 74 mph or higher) are possible somewhere within the specified coastal area. A hurricane watch is issued 48 hours in advance of the anticipated onset of tropical-storm-force winds.

Hurricane WARNING: An announcement that hurricane conditions (sustained winds of 74 mph or higher) are expected somewhere within the specified coastal area. A hurricane warning is issued 36 hours in advance of the anticipated onset of tropical-storm-force winds.