* Any views expressed in this article are those of the author and not of Thomson Reuters Foundation.
Tropical storm Bertha is forecast to strike Puerto Rico at about 15:00 GMT on 2 August. Data supplied by the US National Hurricane Center suggest that the point of landfall will be near 17.4 N, 66.7 W. Bertha is expected to bring 1-minute maximum sustained winds to the region of around 83 km/h (51 mph). Wind gusts in the area may be 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).