Tropical storm Halong struck the Northern Mariana Islands at about 00:00 GMT on 30 July. Data supplied by the US Navy and Air Force Joint Typhoon Warning Center suggest that the point of landfall was near 13.9 N, 145.5 E. Halong brought 1-minute maximum sustained winds to the region of around 101 km/h (63 mph). Wind gusts in the area may have been considerably higher.
The information above is provided for guidance only and should not be used to make life or death decisions or decisions relating to property. Anyone in the region who is concerned for their personal safety or property should contact their official national weather agency or warning centre for advice.
This alert is provided by Tropical Storm Risk (TSR) which is sponsored by Crawford&Company and University College London (UCL).