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Discussed in the following Daily reports:
http://intra.ecmwf.int/daily/d/dreport/2015/03/09/sc/
http://intra.ecmwf.int/daily/d/dreport/2015/03/10/sc/
http://intra.ecmwf.int/daily/d/dreport/2015/03/11/sc/
http://intra.ecmwf.int/daily/d/dreport/2015/03/12/sc/
http://intra.ecmwf.int/daily/d/dreport/2015/03/13/sc/
http://intra.ecmwf.int/daily/d/dreport/2015/03/16/sc/
Picture
1. Impact
The tropical cyclone Pam hit the Vanuatu Islands on 13 March 2015 with a devastating effect. The cyclone were the second strongest in the southern Pacific after Zoe (2002) and is believed to be the worst natural disaster on Vanuatu in history. The figure below shows the wind footprint of the cyclone (UCL/TSR wind field modelling using JTWC real-time track provided by Mark Saunders/UCL via Tropical-Cyclone mailing list). As the cyclone moved parallel to the band of Islands, a large part of the country was affected.
More sources:
http://en.wikipedia.org/wiki/Cyclone_Pam
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The cyclone formed March 6 east of the Solomon Islands and was classified as a tropical storm on 9 March. The formation is believed to been caused by a strong MJO with a westerly wind burst in the western tropical Pacific. At the same time 3 other cyclones formed (Olwyn west of Australia, Nathan north-east of Australia and Bavi north of the equator as seen on a satellite image from Meteo-France below).
We are currently not receiving minimum pressure estimates from Best Track. But the plot below show different estimates on minimum pressure and maximum winds presented at http://tropic.ssec.wisc.edu (including Best Track). The minimum pressure from Best Track was 915 hPa and winds of 145 kt.
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