sentences:  The low had developed within a monsoon trough of low pressure, however a moderate amount of northerly wind shear located over the system was hampering any further development of the system.Over the next few days as the low moved towards the southeast, the wind shear gradually decreased, which meant that convection was able to wrap around the system's low level circulation centre and help it develop into a category one tropical cyclone on 22 April.As the system developed into a category one tropical cyclone, it moved into TCWC Jakarta's area of responsibility who named it Durga.