A s the National Hurricane Center tracks Hurricane Imelda in the Atlantic, a new storm, Tropical Storm Octave, has popped up in the Pacific. Tropical Storm Octave is spinning over the tropical Eastern Pacific, according to the NHC.

Tropical Storm Imelda may strengthen into a hurricane, with flooding risks from Florida to Virginia and highest threats along the Carolinas.

Satellite imagery can help determine the strength, size and cohesion of a storm. The stronger a storm becomes, the more likely an eye will form in the center. When the eye looks symmetrical, that often means the storm is not encountering anything to weaken it.

Dr Simon Lee, an expert in atmospheric science at the University of St Andrews, said the storm could throw boiling point out of kilter. That means that in some parts of Scotland water will boil at a temperature slightly lower than 100C - risking spoiling your evening cuppa.

Tropical Storm Imelda is strengthening as it moves slowly north along Florida's coast Monday, Sept. 29. The storm is expected to become a hurricane Tuesday morning, Sept. 30, according to the National Hurricane Center.

Hurricane Humberto, a Category 2 storm, is not expected to make landfall in the U.S., but the East Coast could still see some impacts.

Travellers have been warned of disruption across Scotland later as Storm Amy is set to hit parts of the country with winds of up to 95mph. An amber warning has been issued for large parts of north and west Scotland. It will come force at 17:00 until 09:00 on Saturday.

Power outages possible as Donegal, Galway, Leitrim, Mayo and Sligo forecast to bear brunt of weather conditions