Monsoon low over northwestern Australia

January 21st, 2014 |
MTSAT-2 0.675 µm visible channel and 10.8 µm IR channel images (click to play animation)

MTSAT-2 0.675 µm visible channel and 10.8 µm IR channel images (click to play animation)

McIDAS images of MTSAT-2 daytime 0.675 µm visible channel data and night-time 10.8 µm IR channel data (above; click image to play animation; also available as an MP4 animation) showed a monsoon low which exhibited a well-defined circulation for several days as it slowly tracked southwestward across the northwestern portion of Australia during the 15-21 January 2014 time period.

The mean seal level pressure analyses from the Australian Bureau of Meteorology (below; click image to play animation) indicated that the monsoon low deepened to a pressure of 988 hPa at 12 UTC on 19 January.

Mean sea level pressure analyses (click image to play animation)

Mean sea level pressure analyses (click image to play animation)

MTSAT-2 visible images and surface observations during the 17-18 January period are shown below (click image to play animation), visualized using the SSEC RealEarth web map server.

MTSAT-2 0.675 µm visible channel images (click to play animation)

MTSAT-2 0.675 µm visible channel images (click to play animation)