Double Cyclone Threat for Madagascar
Tropical Cyclone 09S, located approximately 355 nautical miles west-southwest of Antananarivo, Madagascar, has tracked northwestward at 3 knots over the past 6 hours.
Winds at its center are at 30-35 knots. Maximum significant wave height is 9 feet.
TC09S is in a region of weak steering in the Mozambique Channel, and may be beginning to feel the influence of TC08S (Eric), which is approximately 535 nautical miles to the northeast.
TC09S is forecast to track slowly northeastward through out the forecast period in response to TC08S, which will track southward down the eastern coast of Madagascar.
Although the models are generally in agreement, the potential interaction with TC08S greatly increased the forecast uncertainty.
Regarding intensity, the upper-level trough to the south of Madagascar will provide a poleward outflow channel, allowing for some intensification.