Meteorological Conditions in South East Asia: 2 June 1999

Meteorological Conditions in SouthEast Asia

2 June 1999

The Meteorological Service of Singapore reports on 1 June 1999 for the South East Asian region: “Cloudy conditions were observed over eastern Borneo. Hot spots were again observed mostly over central Sumatra”.

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

The latest NOAA14 satellite images showing hot spot locations in Sumatra and Kalimantan. “Hot spots” can be identified as red dots.

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Fig.2. and 3. Latest NOAA Satellite images of Sumatra and Kalimantan, 1 June 1999

The Indonesian Meteorological Agency Badan Meteorologi dan Geofisika publishs the Indonesia Daily Forecasting for 2 June 1999. For the representative selected areas metereological data are provided as follows:

Palembang Samarinda Ujung Pandang Dili Bandung Weather condition cloudy cloudy rain clear cloudy Temperature max (°C) 33°C 33°C 31°C 32°C 30°C Humidity (min-max %) 47-95 58-95 67-97 50-73 35-97

The Forest Fire Prevention and Control Project (FFPCP) in Palembang (Sumatra) provides a fire overview map on 31 May 1999.

The newest fire overview map for the Integrated Forest Fire Management (IFFM) project in Samarinda (East Kalimantan) shows 59 hot spots on  1 June 1999.

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Fig.4. Fire Overview Map for 1 June 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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