The 8The 8thth GAME International Science Panel Meeting GAME International Science Panel Meeting(Thailand, 10-11 November, 2003)(Thailand, 10-11 November, 2003)
Dr. C. H. Cho Meteorological Research Institute, KMA
Email: [email protected]
Speaker: B. J. Sohn, SEES, Seoul National University, Korea
Present Status of KEOP Activities in Korea
What is KEOP ?
KEOP Objectives and Contents Produce intensive observation data to clarify the 3-dimension
al structure of heavy rainfall system in summer associated with typhoon or Changma (Rainy Season in Korea) Enhance our understanding of heavy rainfall system in summ
er and improve its model prediction from the analysis and application studies of intensive observation data
Intensive field-based observation of severe weather in summer associated with typhoon and Changma
Long-term monitoring of surface fluxes for improvement of physical processes between land surface and atmosphere Analysis and application of intensive observation data for elucidating the formation and development mechanism of heavy rainfall system Establishment of observation network for real-time monitoring system of severe weather in the southwestern part of the Korean peninsula Performance of fundamental research for designing optical observation network Operation of KEOP data center
Objectives
Contents
Establishment of NCIO and Its Application
- Haenam & Muan Site -
Climatological FeatureClimatological Feature
Occurrence Frequency of Heavy Occurrence Frequency of Heavy Rainfall Rainfall
Production of comprehensive observation data for analyzing multi-scale interaction among various atmospheric scales of severe weather system in
summer Cost-effective maintenance and
management of advanced meteorological equipments
BackgroundBackground
Annual PPTN(mm)Annual PPTN(mm) Max. Depth of Snowfall(cm) Max. Depth of Snowfall(cm)
125.50 126 .00 126.50 127 .00 127.50 128 .00
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X-Band Doppler Weather Radar
National Center for Intensive
Observation of Severe Weathers
National Center of Intensive Observation for Severe Weathers(NCIO)
Characteristics of Installed Meteorological Instruments
Production of observation data with high temporal and spatial resolution for the monitoring, analysis and prediction of severe weather
Production of observation data for improvement of the land-surface hydrologicaland cloud-precipitation processes in cloud physics and numerical model.
IntensiveObservation
Period
Micro Rain RadarProducing vertical profiles
of rain rate, LWC anddrop size distribution
Flux TowerProducing sensible, latent, and radiative
fluses over land surface
Optical Rain GaugeProducing information to distinguish between
rain, snow, intensity of precipitation
AutosondeProducing continuous
upper air observation data
Boundary Layer RadarProducing one-minute profile
of vertical and horizontal winds
AUTOSONDE
WIND PROFILER
AntennaAntenna
System System Operating Operating ShelterShelter
Signal Signal Processing Processing
SystemSystem
SRM9 modem
FTP connect
Local PC
20 m flux tower
KoFlux web site
FTP connect
Flux Data Management System
International Collaboration
Linkage with International Programs
36 CEOP Reference Sites
NCIO(6th CEOP Ref. Site)
NCIO(6th CEOP Ref. Site)
Investigate MCSs and disturbances in the Changma FrontUsing Intensive Observation Period(IOP) Data withHigh Temporal and Spatial Resolution → Analysis of the Structure of the Changma Front and Genesis and Development of Attendant MCS → Improved Understanding and Prediction of Changma
26 June – 9 July, 2003(14 Days)
SW Korean Peninsula
Objectives
Period
Region
Upper-Air : Haenam, Huekasando, Kwangju, Gosan
Radar : Jindo(S-band), Muan(X-band) WPR : Haenam ORG, MRR, Flux : Haenam
Network
KEOP-2003 Network
KEOP-2003
2301LST
2325LST
0001LST
0025LST
0113LST
0149LST
0225LST
0301LST
0325LST
0425LST
0501LST
0525LST
Conceptual Model of MCC Genesis and Development (KEOP-2003)
L
