Satellite images and tracking maps of Tropical Storm Ema 2019, October 12 - 15. Max wind speed 50mph.
The low-level circulation center of Ema has been exposed since around 13/12:00 UTC, with only a few brief pulses of convection on the periphery of the system since that time. The lack of persistent deep convection in combination with continued strong vertical wind shear of around 30 knots over the next day or two should continue to weaken the system. As a result, Ema has been designated a post-tropical remnant low. The initial intensity has been held at 30 knots for this advisory, with the motion set at 345/15 knots.
Ema is being steered toward the north-northwest between a mid-level low to the west and a large sub-tropical ridge to the east. This motion is expected to continue tonight, with Ema degenerating into a trough on Monday. Little change in intensity is forecast through dissipation.
This is the last advisory issued by the Central Pacific Hurricane Center on Ema. Additional information on the post-tropical remnant low can be found in the High Seas Forecasts issued by the National Weather Service in Honolulu under AWIPS header HFOHSFNP and WMO header FZPN40 PHFO.
Information provided by CPHC.