atmospheric science activities at the national astronomical … · 2019. 9. 12. · preliminary...

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

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

NARIT Observatories

http://1.179.136.234/weather/allStation.php

Weather Stations with Solar Radiation and UV Sensors

Suntrackers with Pyrheliometer

All-sky Cameras

Water Vapor Radiometer

RPG-LWP-G4

Dual-Channel (23.8 GHz and 31.4 GHz)

Bandwidth = 230 MHz

with Azimuth Positioner

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

Pollution Control Department of Thailand’s Monitoring Sites

http://aqicn.org/map/thailand/http://www.pcd.go.th

Extreme Rainfall Event (December 2016 – January 2017) at Nakhon Si Thammarat, Southern Thailand

Photo by Polakorn Boonkhan


Analysis by the Thai Meteorological Department https://www.tmd.go.th/


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

Analysis by the Thai Meteorological Department https://www.tmd.go.th/


Analysis by NASA’s Integrated Multi-satellitE Retrievals for GPM (IMERG) Data Product (NASA/JAXA, Hal Pierce)


Analysis by NASA’s Goddard Space Flight Center in Greenbelt, Maryland (NASA/JAXA, Hal Pierce)


Preliminary Analysis


http://chalawan.narit.or.th

@ the NARIT HPC

@ the NARIT HPC


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)

@ the NARIT HPC

Multi-Scale Kain-Fritsch Convection SchemeZheng et. al, 2016

@ 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

@ the NARIT HPC



@ the NARIT HPC



December 2016 January 2017

NARIT Mobile mini-LiDAR (“First Light” – April 2017)

Establishment of the National Research Center for Atmospheric Science

NARIT Mobile mini-LiDAR (Initial Location)

NARIT Astropark, Chiang Mai City

Outlook

NARIT Songkla Regional Observatory / Potential Collaboration with Royal Thai Navy Meteorological Dept

atmospheric science activities at the national astronomical … · 2019. 9. 12. · preliminary...

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