Internally displaced persons in Nakuru build new temporary structures in readiness for the El-nino rains which experts said would begin in October. President Kibaki ordered the resettlement of all genuine IDPs within two weeks but some of them have vowed to stay put. PHOTO/JOSEPH KIHERI

Milka Karungi weeds her crops in Nyeri, central Kenya recently. Farmers in the area have prepared their farms in readiness for the El Nino rains that experts said would begin in October. Photo/ JOSEPH KANYI

A dam under construction in Mathira, central Kenya in September. The Water Ministry intends for the dam to hold over 100,000 cubic meters of water during the El Nino rains. Photo/JOSEPH KANYI (Nyeri)

Chief Jackson Wainaina (left) and his assistant Job Kivundui pull down houses in Nairobi's Mukuru slum on October 14, 2009 to pave way for access roads ahead of the expected El-Nino rains. More than 1,500 structures were demolished. Photo/SAMMY KIMATU

A matatu (public minivan) transports a water tank on Nyeri-Nanyuki road recently. Some Kenyans are buying tanks in preparation of the forecasted El Nino rains. Photo/ JOSEPH KANYI

Motorists driving through the flooded Digo road in Mombasa recently. Meteorological experts have warned of flooding if urban centres do not improve their drainage systems before the El Nino rains. Photo/Laban Walloga.

One of the many homes in Nyando District, western Kenya that was invaded by floods recently. There are fears that thousands of Kenyans will again be displaced as they were during the 1997/98 El Nino rains. Photo/JACOB OWITI