28 August 2012 13:45 [Source: ICIS news]
HOUSTON (ICIS)--Tropical storm Isaac was on the verge of becoming a hurricane as it headed towards the US Gulf coast on Tuesday morning, the US National Hurricane Center (NHC) said.
On its currently forecast track, Isaac’s centre will be near or over the Louisiana coast on Tuesday night or early Wednesday, the NHC said.
The NHC said reconnaissance aircraft found that Isaac was “nearly a hurricane”.
“Strengthening is forecast, and Isaac is likely to become a hurricane later today,” the NHC said. “Additional strengthening is forecast until the centre moves inland.”
On Tuesday morning Isaac was about 185 miles (298km) southeast of Biloxi, Mississippi, with maximum sustained winds of 70 miles per hour.
Isaac has already prompted chemical and energy firms to shut down a number of plants on the US Gulf coast.
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