1. PALAU 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

2. GPCP Precipitation (June, 1988-99)
Objective
GPCP Precipitation (June, )
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)

3. R/V Mirai Location: 135E, 12N (4-28 June) moving (4-27 July)
Observations: Doppler radar, Radiosonde, Surface Met., Turbulent Flux
CTD (deep-ocean temp. & salinity)

4. Palau Islands Area
Observations: Doppler radar, Wind profiler, Surface Met., etc. (on-going)
G-II Dropsonde (3 – 4 days + ferry flights in June)
6-hourly radiosonde (06, 21 UTC) at Koror and Yap (40 days: 5 June – 15 July)

5. Woleai Atoll 10km Test launch (March) Radiosonde Observation
40 days (5 June – 15 July)
00/12 UTC (+ 06/18 UTC if required)

6. Preparation at Woleai (Feb. ’08)
Transferring helium gas bottles by a state boat
Transferring radiosonde sensors and a receiving system by a chartered aircraft

7. Real-Time Delivery of Information
Site
WMO Code / Callsign
Data
Period
Destination
R/V Mirai
JNSR
Radiosonde
(Vaisala RS-92)
[ 6 hourly ]
40 days + a
6/4 – 6/28 (fixed point)
7/4 – 7/28 (moving)
GTS
(via JMA)
Woleai Atoll
91317
(used only 2 months in 1979)
[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 ]
Aimeliik
Radar
(Palau Is.)
N/A
Reflectivity Image
(hourly)
On-going
(during 2-3 yeas)
Web

8. PALAU project page

9. PALAU project page