Tropical Storm “Polo” on the track to become next hurricane in Eastern Pacific


Newborn depression in Eastern Pacific developed into Tropical Storm "Polo" off Mexico's southwestern coast on September 16, 2014.

Tropical Storm Watch was issued for the southwestern coast of Mexico for areas from Zihuatanejo to Cabo Corrientes, Mexico. A tropical storm watch means that tropical storm conditions are possible within the watch area, in this case within 24 hours.

GOES visible satellite image of TS "Polo" at 22:15 UTC on September 16, 2014. (Credit: NOAA/GOES)

GOES RBTOP IR satellite image at 22:45 UTC on September 16, 2014. (Credit: NOAA/GOES)

According to public advisory issued by National Hurricane Center at 20:23 UTC on September 16, Tropical Storm "Polo" was located about 415 km (260 miles) from Acapulco, Mexico and moving toward the northwest near 19 km/h (12 mph). It is expected to continue over the next two days, paralleling the coast of southwestern Mexico. Tropical storm force winds extend outward up to 110 km (70 miles) from the center. Maximum sustained winds were 75 km/h (45 mph) with higher gusts.

NHC 5-day forecast track and tropical storm force wind speed probabilities map. (Credit: NOAA/NHCC)

National Hurricane Center noted that strengthening is possible during the next 24 hours and "Polo" could become a hurricane by September 18, 2014.

Forecast track models for TS "Polo" development. (Credit: UWM-Spaghetti)

Forecast track by JTWC (Credit: JTWC)

Satellite animations

Featured image: GOES West IR satellite image taken at 21:30 UTC on September 16, 2014. (Credit: NOAA-GOES/UW-CIMSS)

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