PALAU Field Campaign in June – July 2008
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Transcript of PALAU Field Campaign in June – July 2008
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PALAU Field Campaign in June – July 2008PALAU Field Campaign in June – July 2008
• Two Doppler radars to monitor the structure and evolution of tropical convection
• Upper-air sounding network for a budget analysis
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ObjectiveObjective
• Understanding of the nature of tropical convective systems (including tropical cyclones) over a monsoon trough region
• Clarifying the impact of diabatic heating of tropical convection on summer monsoon rainfall (including Baiu / Meiyu)
GPCP Precipitation (June, 1988-99)
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R/V MiraiR/V Mirai
Location:Location: 135E, 12N (4-28 June)135E, 12N (4-28 June)
moving (4-27 July)moving (4-27 July)
Observations:Observations: Doppler radar, Radiosonde, Surface Met., Turbulent FluxDoppler radar, Radiosonde, Surface Met., Turbulent Flux
CTD (deep-ocean temp. & salinity)CTD (deep-ocean temp. & salinity)
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Palau Islands AreaPalau Islands Area
Observations:Observations: Doppler radar, Wind profiler, Surface Met., etc. (on-going)Doppler radar, Wind profiler, Surface Met., etc. (on-going)
G-II Dropsonde (3 – 4 days + ferry flights in June)G-II Dropsonde (3 – 4 days + ferry flights in June)
6-hourly radiosonde (06, 21 UTC)6-hourly radiosonde (06, 21 UTC) at Koror and Yapat Koror and Yap(40 days: 5 June – 15 July)(40 days: 5 June – 15 July)
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Woleai AtollWoleai Atoll
10km10km
Radiosonde ObservationRadiosonde Observation
40 days (5 June – 15 July)40 days (5 June – 15 July)
00/12 UTC (+ 06/18 UTC if required)00/12 UTC (+ 06/18 UTC if required)
Test launch (March)
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Preparation at Woleai (Feb. ’08)Preparation at Woleai (Feb. ’08)
Transferring helium gas bottles by a state boat
Transferring radiosonde sensors and a receiving system by a chartered aircraft
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Real-Time Delivery of InformationReal-Time Delivery of Information
Site WMO Code / Callsign
Data Period Destination
R/V Mirai JNSR Radiosonde
(Vaisala RS-92)
[ 6 hourly ]
40 days + 6/4 – 6/28 (fixed point)
7/4 – 7/28 (moving)
GTS
(via JMA)
Woleai Atoll 91317
(used only 2 months in 1979)
Radiosonde
(Vaisala RS-92)
[12 or 6 hourly ]
40 days
(6/5 – 7/15)
Currently, no destination
NOAA site
(Yap, Koror)
91408 (PTYA)
91413 (PTRO)
Additional Sonde
(Vaisala RS-80)
[ 06, 18 UTC ]
40 days
(6/5 – 7/15)
GTS
Aimeliik
Radar
(Palau Is.)
N/A Reflectivity Image
(hourly)
On-going
(during 2-3 yeas)
Web
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PALAU project pagePALAU project page
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PALAU project pagePALAU project page