1. T-PARC2008 Operation Plan of JMA 1Overview of T-PARC2008 activities in JMA 2Outline of Special Observation 3Routine Observation and Special Observation 4Special Observation 5Special Observation – Radiosonde – 6Special Observation – Drop sonde – 7Special Observation – Rapid Scan – 8T-PARC2008 Operation Structure of JMA Hideyuki SASAKI Administration Department Japan Meteorological Agency

2. Special Observation Overview of T-PARC2008 Activities in JMA Routine Observation - Radiosonde - Wind Profiler - MTSAT Radiosonde Observation Dropsonde Observation MTSAT Rapid-Scan Global Telecommunication System Operation Center of JMA NWP Center of JMA NWP Centers & Others NRL, NOAA, UM, NTU, YONSEI, ECMWF, UKMO, etc Operation Centers Data Server -Daily meeting -Coordination of plan -Decision of special observation -Support of observation site -etc. Sensitivity Analysis and NWP products

3. 30N,140E 30N,125E 20N,140E 20N,125E Outline of Special Observation Resources for special observation : 4 sites for radiosonde : 3 R/V for radiosonde : 1 aircraft for dropsonde : 1 satellite for rapid scan Period of special observation : August and September in 2008 Frequency of special observation ： 4 times Special observation Area

4. Routine Observation and Special Observation Routine Observation Special Observation （ 4 times ) Upper Air Observation Network over Japan - Radiosonde site 16 sites/ every 12 hours 4 sites (max)/ every 3 hours - Wind Profiler site 31 sites/ every 10 minutes -- - Research Vessel site 3 R/V (every 12hous) 2 sites (max) around target area every 3hours Dropsonde Observation - Aircraft none 4 times 37 dropsondes (total) Satellite Observation - MTSAT-1R Operational ( 140E ) -- - MTSAT-2 Standby (145E ) Rapid Scan ( 4 times )

5. Special Observation Radiosonde Site max 4 sites Research Vessel site max 2 sites Dropsonde Observation Satellite Observation Upper Air Observation １２ UTC ００ UTC １２ UTC 3hours 4hours 1hours Routine Observation Special Observation 24hours 10 ～ 15sondes

6. Special Observation - Radiosonde - Upper Air Observation Network Radiosonde site 16 Wind Profiler site 31 Special Observation site Radiosonde site 16 Wind Profiler site 31 Special Observation site

7. Special Observation - Dropsonde - We aim to reduce forecast uncertainties in TC track forecasts by performing airborne adaptive observations.

8. Special Observation - Rapid Scan - Reference Time 00UTC 12UTC Rapid Scan Observation final decision ～06UTC～08UTC -1 day 00UTC -2 day 00UTC order to observe and indicate the area of small region observations ～07UTC Thursday planning the next week special observation (Mon. to Fri.) Small region B 7min x 2Tims Small region A 4min x 3Tims Northern Hemisphere

9. Operation Center Staff members of JMA and MRI NWP and Forecast NWP productsNumerical Prediction Division, Hq. Typhoon forecastForecast Division, Hq. Observation Radiosonde siteHachijyo-jima, Naze, Minamidaitou-jima, Ishigaki-jima Research Vessel Ryofu-maru, Seifu-maru, Chofu-maru MTSAT Rapid ScanMeteorological Satellite Center DropsondeMeteorological Research Institute T-PARC2008 Operation Structure of JMA