Title: Leeds Omani Society
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- Leeds Omani Society
- 06 May 2006
- Juma Al-Maskari
- juma_at_env.leeds.ac.uk
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???? ????????? ??????? ?? ??????? http//alhawza.
net/forum
3Stages of a thunderstorm
Developing
Mature
Disipating
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5Global observation network
Surface
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Upper Air
6AIST Super Cluster
- P-32 Cluster
- Number of nodes 1074 (Two CPUs for each
node)Peak performance 8.59TFLOPSMain memory
6GB/node (Total Main memory 6444GB)
Laptop memory 500 MB 1 GB
7Global grid (100 km resolution)
8A zoom into the area
9Oman
- Resolution 28 km upper image
- Resolution 7 km lower image
- Simplified equations.
- Good but not the best.
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12Why ?
?Why ?
- Summer orographic convection over the Hajar
- Mountains causes flash floods, strong downdrafts,
- and sometimes hail.
- There is a need to understand the causes and
- therefore improve the ability to forecast.
13Observational Experiment
14Total Precipitation as forecasted by the Met
Office model for the 12 July 04 00UTC ? 15h
(1900 hours local time)
15Accumulated precipitation (mm), red dots
represent positions of rain-gauges with
precipitations
Total domain rainfall 6.7013 e3
16??????? ?????? ?? ????www.met.gov.om
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17Something to take away
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- http//uk.weather.com/weather/local/UKXX0078
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- http//www.met.gov.om
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????? ????? ) - ???? ??????? ?? ????? ????? ?? ???????
- http//www.kanzalarb.com
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?????? ??????? ????? ????? ???? ??????? ??????. - ?? ?????? ?????? ????? ????? ??? ????? ???? 2006