Louisiana storm brings twin threat of rising river and flash floods

Governor declares emergency as high Mississippi sparks evacuations in some areas

A potential tropical storm brewing in the Gulf of Mexico presents twin troubles for parts of south-east Louisiana: the possibility that a high Mississippi River will be lapping at the tops of levees this weekend and a danger of flash floods like the one that hit New Orleans on Wednesday.

The Gulf of Mexico disturbance that dumped as much as 20cm (8in) of rain in parts of New Orleans in a three-hour span was forecast to strengthen into a tropical depression on Thursday, a tropical storm called Barry on Thursday night and possibly a weak hurricane by Friday.

Continue reading…
Source: The Guardian
Louisiana storm brings twin threat of rising river and flash floods