Tag Archives: flood

In slow-moving hurricanes, the danger comes from all the water

Posted on September 1, 2012 by Anne Jefferson

When Hurricane Isaac passed over New Orleans as a Category 1 storm on the seventh anniversary of the disastrous Hurricane Katrina, everyone in the US let out a big sigh of relief. A category 1 storm, the lowest level of … Continue reading →

Categories: by Anne, geohazards, hydrology

One recipe for flooding: Take a tropical cyclone and add steep topography

Posted on September 11, 2011 by Anne Jefferson

The past few weeks have brought two tropical cyclones* to the eastern seaboard of the United States. They serve nicely to illustrate the topographic controls on flood generation that we were been talking about in my Fluvial Processes class recently. … Continue reading →

Categories: by Anne, geohazards, geomorphology, hydrology

Flooding around the world (3 July edition)

Posted on July 3, 2011 by Anne Jefferson

Here is a brief update on the floods I covered in the last edition of flooding around the world. Note that there has also been flooding in Xiengkoung, Viengtian, Boolikhamxay, and Xayaboury provinces of Laos, as a result of heavy … Continue reading →

Categories: by Anne, geohazards, hydrology

Flooding around the world (26 June edition)

Posted on June 26, 2011 by Anne Jefferson

Since the last edition of flooding around the world, flooding along the Mississippi River has mostly subsided, but flooding continues along the Missouri River and in China. Several new flood wetspots have also popped up, as the image below from … Continue reading →

Categories: by Anne, geohazards, hydrology

Flooding in Pakistan

Posted on August 13, 2010 by Anne Jefferson

For the past two weeks, unusually heavy monsoon rains have deluged Pakistan, resulting in flooding and landslides. Pakistan is heavily populated all along the Indus River valley, so this is a slow-moving disaster of epic proportions. The latest news reports … Continue reading →

Categories: by Anne, geohazards, hydrology