1. I Dewa Gede A. Junnaedhi Weather and Climate Prediction Laboratory Bandung Institute of Technology

2. WCPL Members Dr. Tri Wahyu Hadi (Head) Nurjanna Joko T. (now at Kyoto Univ.) I D. G. A. Junnaedhi Noersoemadi (Master student at ITB) M. Ridho S. (will begin master study at ITB) 7 undergraduate students (incl. Gilang P.)

3. Developed NWP system in ITB Global model output : NCEP-GFS : 1° x 1°, 6 hour interval, 24 pressure levels, up to 48-hour prediction (Figure by JMA) 27km x 27 km 9 km x 9 km Downscaled using mesoscale models (MM5, WRF and NHM) : 27 km x 27 km (domain 1), 9 km x 9 km (domain 2), 3 hour interval, 31 vertical level, 48-hour prediction

4. Nimbus server : (downloading data and webserver) ⁻ Dual Opteron @ 1.4 GHz ⁻ 2 GB memory ⁻ Nearly 2.5 TB storage Typhoon cluster : (for running model) - 6 nodes Intel Quad Core @ 2.4 GHz - 4 GB memory each - Nearly 1.5 TB storage

5. NHM Forecast WRF Forecast MM5 Forecast Website screenshots

6. Wind driven wave forecast using MM5 output and Wavewatch III model Weather on GoogleMap for few city over Indonesia

7.    4-MODEL INTERCOMPARISON (1)    (Figure by JMA) Global model output : NCEP-GFS : 1° x 1°, 6 hour interval, 24 pressure levels, case study of Feb. 2008, initial at 1200 UTC, up to 48-hour prediction Data initial CCAM 27km x 27 km 9 km x 9 km donwscale Donwscale (MM5, WRF, and NHM) Initial & boundary condition

8.    MODEL INTERCOMPARISON (2)    AWS observations C B A

9.    MODEL INTERCOMPARISON (3)    WRFMM5NHMCCAM (C48) FieldDomain 1Domain 2Domain 1Domain 2Domain 1Domain 2Domain 1Domain 2 Meridional Grid Dimensions 280193280193280193 Global (48x48x6) Global (48x48x6) Zonal Grid Dimensions 145941459414594 Vertical Level31 32 18 Grid Resolution27 km9 km27 km9 km27 km9 km27km9km Parent Grid Ratio13131313.33 Parent time step Ratio 13131313.33 Nest Type1 - Way 2–Way (online) 1 - Way 2-Way (online) 1 - Way 2-Way (Offline) Streched - Schmidt Transf. Streched - Schmidt Transf. (Offline) Explicit Moisture Scheme WSM 3- class simple ice scheme Graupel (Reisner2) Simplified Graupel -- MicrophysicsRotstayn Longwave Radiation physics RRTM scheme RRTM scheme RRTM scheme RRTM scheme GSM0103 GFDL (Fels- Schwarzkopf ) Shortwave Radiation physics GFDL (Fels- Schwarzkopf ) Planetary Boundary Layer Scheme MRF scheme MRF scheme MRF scheme MRF scheme Yamada- Mellor Yamada- Mellor Monin- Obukhov Cumulus Scheme Grell Devenyi Kain-FritschGrell Kain-Fritsch 2 Kain-Fritsch Convjlm – McGregor (2003) Model Set-up

10. CURRENT RESULTS (1)       Up to 24-hour prediction, 3-hourly interval, Feb. 2009 D1D2 D1D2

11.       D1D2 D1 D2 CURRENT RESULTS (2)

12.       CURRENT RESULTS (3) D1D2

13.       CURRENT RESULTS (4) D1D2

14.       CURRENT RESULTS (6) CCAM has different phase error for the first 24-hour prediction Root Mean Squared Vector Error day time Bandung Sumedang Lampung TimurLampung Selatan phase different

15.       CURRENT RESULTS (8) Rainfall Prediction First 24-hour Second 24-hour