MIAMI, FL - AUGUST 25: Daniel Brown, Senior Hurricane Specialist, works at the National Hurricane Center to track the path of a weather disturbance that has produced tropical storm-force wind gusts between 40 and 50 mph in heavy squalls over some of the northern Caribbean islands and surrounding waters and is of concern to the South Florida region on August 25, 2016 in Miami, Florida. The National Hurricane Center forecasters are still trying to determine if the system will strengthen and it's exact path isn't known yet but they urge people to be aware and prepared. (Photo by Joe Raedle/Getty Images)

MIAMI, FL - AUGUST 25: James Franklin, Chief of Forecast Operations, (L) and Daniel Brown, Senior Hurricane Specialist, work at the National Hurricane Center to track the path of a weather disturbance that has produced tropical storm-force wind gusts between 40 and 50 mph in heavy squalls over some of the northern Caribbean islands and surrounding waters and is of concern to the South Florida region on August 25, 2016 in Miami, Florida. The National Hurricane Center forecasters are still trying to determine if the system will strengthen and it's exact path isn't known yet but they urge people to be aware and prepared. (Photo by Joe Raedle/Getty Images)

MIAMI, FL - AUGUST 25: Dennis Feltgen, Public Affairs Officer and a spokesperson for NOAA's National Hurricane Center, (L) and Daniel Brown, Senior Hurricane Specialist, work at the National Hurricane Center to track the path of a weather disturbance that has produced tropical storm-force wind gusts between 40 and 50 mph in heavy squalls over some of the northern Caribbean islands and surrounding waters and is of concern to the South Florida region on August 25, 2016 in Miami, Florida. The National Hurricane Center forecasters are still trying to determine if the system will strengthen and it's exact path isn't known yet but they urge people to be aware and prepared. (Photo by Joe Raedle/Getty Images)

NEW YORK, NY - AUGUST 24: People arrive at the Coney Island subway stop during a week of ideal summer weather in New York City on August 24, 2016 in New York City. Thousands of New Yorkers and tourists alive have been flocking to beaches, parks and public pools to take advantage of the last weeks of summer. (Photo by Spencer Platt/Getty Images)

NEW YORK, NY - AUGUST 24: People swim in the ocean at Coney Island during a week of ideal summer weather in New York City on August 24, 2016 in New York City. Thousands of New Yorkers and tourists alive have been flocking to beaches, parks and public pools to take advantage of the last weeks of summer. (Photo by Spencer Platt/Getty Images)

NEW YORK, NY - AUGUST 24: People walk along the beach at Coney Island during a week of ideal summer weather in New York City on August 24, 2016 in New York City. Thousands of New Yorkers and tourists alive have been flocking to beaches, parks and public pools to take advantage of the last weeks of summer. (Photo by Spencer Platt/Getty Images)

This NOAA image taken by GOES East on August 24, 2016, shows weather disturbance Invest 99L to the west near Puerto Rico and Tropical Storm Gaston to the east. According to NOAA's National Hurricane Center, Tropical Storm Gaston could reach hurricane strength today, however the storm could move into environmental conditions that might weaken it temporarily. The current forecast shows the storm pushing through these conditions in roughly 72 hours and re-strengthening, perhaps significantly. / AFP PHOTO / NOAA / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / NOAA" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

NEW YORK, NY - AUGUST 24: People sit on the beach at Coney Island during a week of ideal summer weather in New York City on August 24, 2016 in New York City. Thousands of New Yorkers and tourists alive have been flocking to beaches, parks and public pools to take advantage of the last weeks of summer. (Photo by Spencer Platt/Getty Images)