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6 August 2010
Update on the Pakistan floods: 6th August 2010
The flood wave in Pakistan continues to travel down the Indus River and is now approaching Sukkur. The authorities are responding with a large-scale evacuation of low-lying communities – The Nation reports that 500,000 people are being relocated but that 1.5 million people are likely to be affected. The latest FFD hydrographs depict the situation very clearly. The locations of the gauging stations are shown on this annotated 2007 OCHA …
5 August 2010
A further update on the Pakistan floods
The media have now cottoned onto the fact that the flood wave is causing destruction downstream from the northwest of Pakistan, an issue that I have been highlighting for some days. The flood waters are certainly abating now in Taunsa, although note that three days after the peak the discharge is still above the “very high” level: Meanwhile, at Guddu the water level is still rising, and is now close …
4 August 2010
Latest update on the flood wave in Pakistan
The flood and landslide disaster in Pakistan continues to play out in slow motion. The recovery operation in the north of the country continues to be hampered by the level of destruction inflicted upon the roads. The Pamir Times yesterday posted some images of the Karakoram Highway north of Gilgit, which serve to show all too well just how difficult the recovery operations are going to be: The areas affected …
3 August 2010
Update on the flood wave in Pakistan, plus an update on the monsoon in India and on typhoon activity in the NW Pacific
The true magnitude of the disaster in Pakistan is now becoming clear – this appears to be the country’s equivalent of Hurricane Katrina. It has to be hoped that lessons are learnt both within the country and by the international community in terms of disaster risk reduction there. In 2007 the World Health Organisation produced a flood potential map for Pakistan, which I reproduce below: The flood wave is travelling …
2 August 2010
Pakistan floods – the progression of the flood wave down the Indus River
The floods in Pakistan appear to be starting to generate substantial interest in the UK, although this may in part be a result of the perhaps surprising decision of the Pakistan president to travel to London today. Whilst the crisis continues to develop in the north of the country, of equal concern now must be the progression of the flood wave down the Indus River. Of course Pakistan is a …
1 August 2010
The floods in Pakistan
In the UK the current floods in Pakistan are failing to gather the level of coverage that they deserve, although there has at least been some interest. The death toll is currently standing at over 1,100 people, with a million or more directly affected. Fortunately, the Attabad Dam appears to have avoided the worst of the rainfall, so far at least, and has remained intact, although the water level has …
27 July 2010
Attabad lake level is rising again. It is clear that temperature is the key control at present.
The lake level at Attabad is rising again – the latest NDMA report suggests that the level has increased by 19 inches (41 cm) in the last 24 hours: It is now clear that the lake level is controlled primarily by local environmental conditions (which in turn are changing the inflow), rather than the spillway properties. Compare the following two graphs. The first is the lake level through July to …
26 July 2010
Attabad lake level stabilises again
The latest report from the NDMA suggests that the lake level at Attabad has stabilised once again, matching the stabilisation of flow in the Indus catchment: There is no news as yet as to when blasting to drain the lake will start.
24 July 2010
Large drop in the lake level at Attabad
The latest NDMA update (released yesterday) reports a further very substantial drop in the level of the lake. The report is that the level of the lake fell by 28 inches (71 cm) in the 24 hour period to 9 am (local time) on 23rd July. This means that the lake level graph looks like this: The cause of this reduction appears to be a dramatic decrease in inflow, caused …
22 July 2010
Strange goings on at Attabad
The NDMA daily report for today (22nd July) reports a dramatic decrease in lake level – 19 inches (48 cm) in the last 24 hours. This is by far the largest fall recorded to date, producing a lake level the looks like this: This is quite surprising. Assuming that the surface area of the lake is 1202 hectares (in fact it is probably a little larger in reality), this implies …
Dave Petley is the Vice-Chancellor of the University of Hull in the United Kingdom. His blog provides commentary and analysis of landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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