India

India: Situation report - Gujarat floods 05 Aug 2004

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In Gujarat the southern districts have been receiving heavy rainfall during the past 72 hrs due to South west monsoon being active over Konkan-Goa, Saurashtra and Kutch Region.
The trough of low pressure as per IMD weather reports now lies extending from South Gujarat Coast to Kerala Coast. The south-west monsoon is strong over Central Arabian Sea and moderate to strong over North -East Arabian Sea and South Arabian Sea. The upper air cyclonic circulation over Gujarat & neighbouring states persists and extends between 1.5 km and 3.1 km a.s.l.

The state has received 16 mm of rainfall during the past 24 hrs with cumulative average rainfall of 568 mm. The taluka/Blocks received on an average more than 100 mm of rainfall while Surat recorded 144 mm and Rajkot 100 mm during 24 hrs. The occurrence of torrential rains in southern parts of Gujarat caused flash floods. The floodplains of the rivers system Tapti, Mahi, Narmada and its tributaries swelled affecting the districts- Valsad, Surat, Navsari, Bharuch and Dangs, and Vadodara.

MAP - Distrcts affected by heavy rainfall

The flooding condition in Valsad, was due to the out flow of water from Daman Ganga reservoir. Normally the out flow of Daman Ganga is only 0.25 million cusec but due to the excessive flow the dam authorities released 0.62 million cusec which flooded the down stream stretch. The catchment area of River Purna overflowed above the higher limit of 23 feet and inundated the low lying areas in Navsari town and neighbouring villages. In Surat city the low lying areas of Limbayat, Uddana, Batar and Ulthan were waterlogged. Similar condition prevailed in Bharuch city and Ankaleshwar but the water level in Narmada dam is being constantly monitored as water stands at 105 meters against the danger level of 109 meter.

Currently the districts of Surat, Navsari, Bharuch, Junagadh and Amreli received sufficient rainfall and the water level in the rivers are receding as intensity of rainfall has decreased. The weather forecast for the next 24 hrs is heavy rainfall is likely at occur with very heavy rainfall at isolated places in South Gujarat region , Saurashtra and Kutch during next 48 hours.

DAMAGE DETAILS:

The district and state administration have responded to the situation and evacuated the affected population from marooned areas in six districts . Due to torrential rains reported death toll is 165 either due to drowning or electrocution and collapse of houses.

Infrastructure Networks

Roads : Movement on 50 main state roads and 198 panchayat roads have been affected. 33 of the main roads and 21 Panchayat roads have been restored after clearing of debris and road blocks.

Bridges: 5 bridges in the districts of Narmada (1)Valsad (1), Vadodara(2) , Surat(1) have been washed away and are unserviceable Power: 1528 villages and 16 towns were affected with power failure. The power supply was restored in 1000 villages and 10 towns. 179 feeders were damaged due to floods out of which 146 have been repaired. Dams/ reservoirs: out of 185 reservoirs 12 are under high alert having their storage capacity fully reached.

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