LIVE updates, satellite images and tracking maps of Invest 97W. Current wind speed 35km/h. Max 55km/h.
Invest 97W has a medium chance of developing into a tropical cyclone in the next 24 hours.
The system is currently classified as a monsoon depression, generally characterized as a large cyclonic circulation, greater than 1111 km diameter, with extensive gale-force winds over the southeastern edge and a weak core of light winds.
Infrared imagery, a microwave image and animated radar imagery show disorganized convection near the system's broad center with extensive deep convective banding displaced 200-300 nautical miles to the east.
Surface observations, including bach longvi, 111 km southwest of the current position, show 10-30 km/h winds (5-15 knots). Upper-level conditions have degraded with moderate to high (20-30 knots) wind shear offset by moderate equatorward outflow.
Interaction with land is also hindering development. Forecast models show the monsoon depression will move westward to west-northwestward making landfall over northern Vietnam in the next 12 hours with little intensification.
Information provided by the Joint Typhoon Warning Center (JTWC).