Tropical cyclone hit south India

Tropical cyclone hit the south of India Weather and Climate

In the south-east of India fall tropical cyclone Thane and bring devastating winds, currents and tidal flooding rain. Element reaches land December 30 at the beginning of the day in the state of Tamil Nadu to the south of Chennai. Under attack will of Puducherry and Cuddalore.

According to forecasts, the height of the tidal wave may exceed the normal rates on one meter. In the lowlands of the region of possible flooding depth of 1-1.5 meters. Suffer unstable buildings, communication lines and power, trees and crops. Next Thane weaken and disappear in the heart of the continent, bringing to the north uncharacteristic for this time of year rain.

Figure 1. Weather forecast

The Joint Typhoon Warning Center (JTWC) reported that Tropical Cyclone Thane is located 75 km south of Chennai and heads west at a speed of 9 knots (17 km / h). Thane retain such direction under the influence of the subtropical ridge. Reported a wave height of five meters.

Management of the India Meteorological (IMD) sends rains throughout the country, in some places will be heavy rains. Over the northern part of Tamil Nadu and Puducherry during the next days will fall to 25 or more inches of precipitation. The same weather is expected on the southern coast of the state of Andhra Pradesh in the region Rayyalseema.

Fig. 2. Cyclone wind forecast

Storm wind speeds of 110-120 km / h and gusts up to 135 km / h are expected in the north Tamil Nadu and Puducherry. Within twelve hours to reach the south wind Angra Pradesh. All meteorological services forecast a further strengthening of the cyclone, the first category has received even before the arrival of the coast.

Fig. 3. The course of the cyclone and Forecast of Its Development (IMD)

The system will retain its strength for another 12 hours after falling bulk precipitation and will gradually weaken. Because of the squally winds weakened slightly to 80-90 km / h, residents of north Tamil Nadu and Puducherry should stay in safe places and to cooperate fully with the authorities and emergency management services.

Fig. 4. Temperature waters of the Indian Ocean

Fig. 5. Satellite image of the center of the storm

Thane was the strongest of the six typhoons this season in the northern part of the Indian Ocean. Typically, these natural disasters in the region, there are between five and six each year. Two or three of them into a powerful storm (maximum speed of 90 km / h). Southeast coast of India are more likely to suffer from similar areas of weather conditions. Last strongest cyclone Jal hit land near Chennai in 2010.

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