Meteorological Conditions in South East Asia: 6 May 1999

Meteorological Conditions in SouthEast Asia

6 May 1999

The Meteorological Service of Singapore reports on 5 May 1999 for the South East Asian region: “Cloudy and wet conditions were observed over eastern Kalimantan and central Sumatra. Small isolated hot spots were detected over central Sumatra”.

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Fig.1. Regional Surface Winds and Haze/Hot Spot Map, 5 May 1999
(Source: Meteorological Service of Singapore)

The Indonesian Meteorological Agency Badan Meteorologi dan Geofisika forecasts clear to rainy conditions for Indonesia with maximum temperatures between 32°C (Palembang), 33°C (Samarinda), 32°C (Ujung Pandang), 30°C (Dili) and 29°C (Bandung) and relative humidity ranging from 45% up to 99%.

The Forest Fire Prevention and Control Project (FFPCP) in Palembang (Sumatra) shows today no updated fire overview map. For the last available map see 5 May fire update.

The Integrated Forest Fire Management (IFFM) project in Samarinda (East Kalimantan) reports on 6 May 1999 11 hotspots with a detection threshold of 303°K. Most of them are located in the southern part of Kalimantan close to the Pembuang River. Please note the detection problem due to substantial cloud cover.

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Fig.2. Fire Overview Map for 6 May 1999 of the IFFM project in Samarinda

Summary: Although the current fire weather conditions do under normal conditions not favour extensive land clearing by fire or escaping wildfires in Indonesia, the consequences of the large wildfires of 1997-98 must been taken into consideration. These fires had caused extensive degradation of primary and secondary forests along with the spreading of “alang-alang” (Imperata cylindrica) grasslands. These grasslands facilitate the spread of uncontrolled fires over large areas.

See also the IFFN Country Notes.

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