The formation of Tropical Storm

From May to late October in the northern waters of Indonesia has established 23 cyclones or tropical storms. The number of storms in the region until the end of November is forecasted to be at or above normal.

Coordinator of the Tropical Cyclone Warning Center Meteorology, Climatology, and Geophysics (TCWC-BMKG) Fachri Rajab, in Jakarta, Thursday (29/10), said that, under normal conditions, the average number of storms, which formed April-November, is 25 , 7 cyclones. Benchmark is based on data from 1968 to 1990.

"There's still time for another month for the formation of cyclones in northern Indonesia. The number of cyclones that formed the current dispute is only 2.7 compared with the average, "said Fachri.

Since the tropical storm that emerged Kyjira and May 8, following 23 other storms. One is the storm that decays Lupit Tuesday (27/10) at around 19:00 pm, 13:00 o'clock in the afternoon the storm had grown Mirinae.

Thursday (29/10) afternoon Mirinae moving toward the east Philippines, the position of latitude 15.8 north and 13.6 east longitude. The distance is 1700 kilometers northeast of Manado.

Mirinae moving into the Pacific Ocean does not give effect to the region is Indonesia. Currently Mirinae still in stable condition with a speed of 139 kilometers per hour.

From tropical storms formed since May, three of which led to the disaster, namely Ketsana and Parma in the Philippines and Taiwan Morakot hit.

For Indonesia, the weather disturbances that could impact on the territory of Indonesia which is close to the storm because of its vortex lines can draw air mass around the equator.

"The emergence of Parma, for example, the wind caused the branch to the north Sulawesi and Maluku," he said.

Therefore, the lifetime of a storm that lasted three days to two weeks continued to be monitored TCWC-BMKG, to see the potential impact for Indonesia, in the form of strong winds, heavy rain and high waves.

Tropical storms formed since sea temperatures above 27 degrees Celsius and wind speeds of more than 67 miles per hour, said Hary Tirto, Head of Meteorological Information BMKG subfields.

Currently, Indonesia entered a period of transition to the rainy season. This is indicated heavy rain and lightning and strong winds a short duration in most of Sumatra; western Borneo, southern, and eastern and some areas in northern part of Central Kalimantan.

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