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Atmospheric ScienceActivities at the National Astronomical Research Institute of Thailand (NARIT)Ronald Macatangay ([email protected]), Thirasak Panyaphirawat,Suparerk Aukkaravittayapun, Saran Poshyachinda, Utane Sawangwit, Phrudth Jaroenjittichai and Boonrucksar Soonthornthum
narit.or.th
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Outline• NARIT Observatories• Water Vapor Radiometer• Thai Meteorological Department’s Surface and Upper Air
Stations• Pollution Control Department of Thailand’s Monitoring
Sites• Extreme Rainfall Event (December 2016 – January
2017) at Nakhon Si Thammarat, Southern Thailand– Overview– WRF @ the NARIT HPC
• Mobile Mini-Micropulse LiDAR• Outlook
narit.or.th
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NARIT Observatories
http://1.179.136.234/weather/allStation.php
Weather Stations with Solar Radiation and UV Sensors
Suntrackers with Pyrheliometer
All-sky Cameras
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Water Vapor Radiometer
RPG-LWP-G4
Dual-Channel (23.8 GHz and 31.4 GHz)
Bandwidth = 230 MHz
with Azimuth Positioner
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Thai Meteorological Department’s Surface and Upper Air Stations
http://weather.uwyo.edu/upperair/sounding.htmlhttp://119.46.126.50/web/reports/weather_minute.asp
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Pollution Control Department of Thailand’s Monitoring Sites
http://aqicn.org/map/thailand/http://www.pcd.go.th
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Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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Photo by Polakorn Boonkhan
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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Analysis by the Thai Meteorological Department https://www.tmd.go.th/
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
Caused by a Strong Northeast Monsoon and a Low Pressure Wedge that Moved Slowly from the Andaman Sea towards Myanmar.
The worst for 30 years.
615.6 mm of Rain within 24 Hours on January 5, 2017
96 People Died
1.8 Million People Affected
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Analysis by the Thai Meteorological Department https://www.tmd.go.th/
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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Analysis by NASA’s Integrated Multi-satellitE Retrievals for GPM (IMERG) Data Product (NASA/JAXA, Hal Pierce)
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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Analysis by NASA’s Goddard Space Flight Center in Greenbelt, Maryland (NASA/JAXA, Hal Pierce)
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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Preliminary Analysis
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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Preliminary Analysis
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
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http://chalawan.narit.or.th
@ the NARIT HPC
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@ the NARIT HPC
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
Weather Research and Forecasting (WRF) model v3.7
0.25 deg NCEP GDAS/FNL lateral boundary conditions
Nested Domains (Convection Schemes)10 km (Kain-Fritsch, Multi-Scale
Kain-Fritsch)3 km (No Parameterization –
Explicit/Resolved, Kain-Fritsch, Multi-Scale Kain-Fritsch)
MODIS Land Use Dataset (default USGS)3-Category Urban Canopy Model (roof, wall, road)
No chemistry coupling
Thompson Aerosol Aware Microphysics (with aerosol climatology)
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@ the NARIT HPC
Multi-Scale Kain-Fritsch Convection SchemeZheng et. al, 2016
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@ the NARIT HPC
Scaling Parameter for the Multi-Scale Kain-Fritsch Convection Scheme
Scale Dependent Kain-Fritsch Parameters
Adjustment Timescale
Minimum Entrainment
Fallout Rate in Autoconversion
Stabilizing Capacity
Zheng et. al, 2016
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@ the NARIT HPC
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
Preliminary Analysis
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@ the NARIT HPC
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
Preliminary Analysis
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@ the NARIT HPC
Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand
Preliminary Analysis
December 2016 January 2017
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NARIT Mobile mini-LiDAR (“First Light” – April 2017)
Establishment of the National Research Center for Atmospheric Science
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NARIT Mobile mini-LiDAR (Initial Location)
NARIT Astropark, Chiang Mai City
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Outlook
NARIT Songkla Regional Observatory / Potential Collaboration with Royal Thai Navy Meteorological Dept
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