Invest 94L, a low pressure area in the Atlantic Ocean, It became this Wednesday afternoon Tropical Storm Tammya cyclone that could deposit one to two inches of rain over parts of Puerto Rico during the weekend.
He National Hurricane Center (CNH) highlighted, in the first bulletin issued about the cyclone, that the center of Tammy, which has maximum winds of 40 miles per hour (mph), will move near or over leeward islands between Friday or Saturday, and that could gradually strengthen over the next few days.
The CNH did not currently issue a tropical storm watch or warning for Puerto Rico, but it did place Barbados, Dominica, and Martinique and Guadeloupe under warning.
The system was located, at 5:00 in the afternoon, near latitude 13.0 degrees North, longitude 51.7 degrees West, about 625 miles from the windward islands and was moving west at 23 mph. The NHC forecasts that Tammy will experience a turn toward the west-northwest on Thursday night, followed by a turn toward the northwest on Friday night or Saturday.
Tropical storm-force winds extend up to 140 miles northeast of the center. The minimum central pressure is 1007 millibars (mb).
The NHC indicated that the British and US Virgin Islands, as well as areas of Puerto Rico, could receive up to a maximum of four inches of rain. Such rains could produce flash floods, along with isolated landslides in high areas..
A tropical storm watch means that tropical storm conditions are possible within the watch area, generally within 48 hours.
The CNH added that the storm surge generated by this tropical storm will begin to affect sectors of the Lesser Antilles on Thursday. These surges are likely to cause life-threatening wave conditions and ocean currents. The CNH recommends consulting the products of your local meteorological office.
Earlier, the CNH warned that Invest 94L could become a tropical storm on Wednesday afternoon or evening.
The meteorologist of that federal agency, Glorianne Rivera, had indicated that it was still too early to determine an exact trajectory or any direct or indirect effect that the island could receive. However, he had pointed out that, if it affected Puerto Rico, “it would be passing northeast of our area” and would bring with it a rain event.
The CNH will issue a full report again on this cyclone at 11:00 p.m.