sowmex prudence chian 12 august 2008. outline overview of sowmex mei-yu cases
TRANSCRIPT
SoWMEX
Prudence CHIAN
12 August 2008
OUTLINE
• Overview of SoWMEX
• Mei-yu Cases
Introduction
• Southwest Monsoon Experiment ( SoWMEX )
• Terrain-influenced Monsoon Rainfall Experiment ( TiMREX )
Duration (SOP: May15~June30)19-
May20-
May21-
May22-
May23-
May24-
May25-
May26-
May27-
May28-
May29-
May30-
May31-
May
IOP-1 IOP-2
IOP-3
1-Jun 2-Jun 3-Jun 4-Jun 5-Jun 6-Jun 7-Jun 8-Jun 9-Jun10-Jun
11-Jun
12-Jun
13-Jun
IOP-4 IOP-6 IOP-7
IOP-5
14-Jun
15-Jun
16-Jun
17-Jun
18-Jun
19-Jun
20-Jun
21-Jun
22-Jun
23-Jun
24-Jun
25-Jun
26-Jun
IOP-8 IOP-9
EOP : 21Z May 29 ~ 18Z June 4
SOP : Special Observation PeriodIOP : Intensive Observation PeriodEOP : Extensive Observation Period
GOAL
• Improve QPE/QPF during Asian Summer Monsoon Season
• Quantitative Precipitation Estimation (QPE)
• Quantitative Precipitation Forcasting (QPF)
Application
• Early warning of flood and landslide
• Regional water resource management
Observational Facilities
• NCAR SPOL (S-band Dual Polarization Doppler Radar)
• TEAM-R (Taiwan Experimental Atmospheric Mobile – Radar)
• ISS (Intergrating Sounding System)• MRR (Micro Rain Radar)• Upstream sounding
operating dropsondeship sounding
Japan x-band Doppler radar system
JW collision type disdrometer NCAR SPOL
Micro rain radar (wavelength : 1.25 cm)
vertically pointing rain profiler (Verti-X)
NCAR GPS dropsonde
TEAM-R Precipitation Occurrence Sensor System (POSS)
2D-Video Disdrometer (2DVD)
Observation Strategy-Sounding
Intensive Observation Area
Funding Support
• National Science Foundation of USA
• National Science Council
• Central Weather Bureau
Project Participant參與單位 參與項目 備註
國科會支助各大學
計畫辦公室作業,地基加放探空 (925) ,船舶探空 (2) ,機載探空 (5/100) ,垂直指向降雨雷達(美,加,韓), TEAM 雷達,研討會,國內外學生參與實驗作業,國外學者參與實驗等。國內大學:台大,中大,文化,師大,國防大 作業單位:民航局,水利署,環保署, NCDR
菲律賓氣象局澳大利亞氣象局加拿大氣象局
中央氣象局
計畫辦公室作業,機載探空 (38/100) ,地基探空加放(400) ,離島探空加放 (200) , SPOL 在台基地建置和作業費用,作業雷達運行,作業測站運行, 觀測資料即時傳輸,實驗預報支援,實驗模式支援,資料管理中心,作業指揮中心運作等。
空軍氣象聯隊和大氣海洋局 地基和離島探空加放作業 (900) ,船舶探空作業 (2) 。 國防大學
美國國家自然基金會支助: NCAR 和各大學
NCAR-SPOL 雷達在台灣觀測作業與資料整理分析,協助實驗資料管理和作業指揮中心設計等。大學: U Hawaii, U Washington, UC Davis, UCLA, Utah U, CSU, Oklahoma U
NOAA + NASA
日本 Nagoya U X-band 都卜勒雷達 (1) ,高解析度雲模式 日本贈送加拿大 McGill U 和加拿大氣象局 MRR2 (1) + POSS (4) 文化 MRR2(4)
韓國 Pukyung NU 和Kyungpook U JW Disdrometer (1) + Verti-X (1) + POSS (1)
中大 ISS + JWD 水利署 JWD
SoWMEX 2008 Field Catalog
Collections of Field Catalog- Operational Products
Satellite– IR/Vis/WV channels for global/Asia/Taiwan domains with
30min update – 31,06531,065 images collected
Radar– Reflectivity and radial velocity for four radars with 6 to 10min
update – 248,995248,995 images collected
Surface– Surface analysis/mesonet and precipitation
observations/Taipower lightning with one hour to10min update
– 31,14231,142 plots collected Upper Air
– Upper air analysis/skew-t/time-high with 3 hourly update as available
– 5,9625,962 plots collected
馮欽賜 , 2008:Review of Field Catalog and Data Archive
Collections of Field Catalog- Model/Forecast Products
Include forecasts from CWB-WRF (45/15/5km domains) and global models of CWB, NCEP, JMA and ECMWF.
~200,000~200,000 forecast plots collected during the field experiment
馮欽賜 , 2008:Review of Field Catalog and Data Archive
Collections of Field Catalog- Research Products
Include real-time products of COSMIC sounding, dropsonde, rain measurement system, NCAR-Spol and ISS wind profiler and surface observations, the latter three with 7-10min update.
~50,000~50,000 images collected during the field experiment
馮欽賜 , 2008:Review of Field Catalog and Data Archive
Mei-yu front Cases
• CWB Raingauge data
• May 28 to May 31
• June 2 to June 5
• June 14 to June 17
• June 24 to June 29
Rain Gauge (CWB)
Model/Forcast
• Operation_CWB-WRF (45km,15km,5km)
• Denial_CWB-WRF (45km,15km,5km)
• Operation_CWB-GFS
• Denial_CWB-GFS
• JMA-GFS
• NCEP-GFS
Denial_CWB-GFS Operation_CWB-GFS
JMA NCEP
Denial_CWB-GFS Operation_CWB-GFS
JMA NCEP
Denial_CWB-GFS Operation_CWB-GFS
JMA NCEP
Thanks for your attention.