JOINT TYPHOON WARNING CENTER 2008 YEAR IN REVIEW Mr. Robert (Bob) Falvey Director, JTWC 63 rd INTERDEPARTMENTAL HURRICANE CONFERENCE 2-5 MARCH 2009 ST PETERSBURG, FLORIDA Typhoon Sinlaku
MISSION Provide tropical cyclone analysis, forecast and warning support for Department of Defense, and other US Government assets in the Pacific and Indian Oceans as established by Commander, United States Pacific Command.
JTWC AOR CPHC New Delhi Reunion Tokyo Australia Fiji NHC 33% 8% 11% 13% 7% 17%
4 TC ACTIVITY NW Pacific NW Pacific 2004: : : : : : : : : : Yr avg: 31 S Indian Ocean & Australia Region 2004: : : : : Yr avg: 23 South Pacific 2004: : : : : 8 25 Yr avg: 6 C Pacific C Pacific 2004: : : : : : : : : : 1 25 Yr avg: 5 25 Yr avg: 5 NE Pacific NE Pacific 2004: : : : : : : : : : Yr avg: 19 Arabian Sea & Bay of Bengal 2004: : : : : : : : : : 7 25 Yr avg: 5 25 Yr avg: 5
SATELLITE RECON FIXES BY AGENCY (Total: 12,581)
SATELLITE RECON FIXES BY JTWC (Total: 9,199)
SATELLITE RECON MICROWAVE FIXES BY JTWC Total Microwave Fixes: 4,639 (>50% of total)
2008 NORTH IO TRACKS
2008 S-HEMI TRACKS
2008 WESTPAC TRACKS 14 Tropical Storms 11 Typhoons 2 Super Typhoons
2008 JTWC TRACK ERRORS ALL BASINS
JTWC TRACK ERRORS (WESTPAC Hours) 24 Hr 48 Hr 72 Hr Goal
2008 WPAC ERRORS STORM BY STORM
JTWC TRACK ERRORS (WESTPAC Hours) 96 Hr 120 Hr Goal
2008 WPAC ERRORS STORM BY STORM
2007 MODEL ERRORS (WESTPAC – Homogeneous)
2008 MODEL ERRORS (WESTPAC – Homogeneous)
MODEL ERRORS Typhoon FengShen (7W)
MODEL ERRORS
Typhoon FengShen (7W) MODEL ERRORS 10% of the JTWC 120 hour track error due to 07W
ERROR DELTA (WESTPAC – Homogeneous)
Mean 1000mb WINDS Jun-Nov Well Defined Monsoon Trough
mb WINDS Jun-Nov08 Lack of Westerlies N-S Monsoon Trough
JTWC INTENSITY ERRORS (WESTPAC Hours) 24 Hr 48 Hr 72 Hr 96Hr 120Hr
ITEMS OF INTEREST USAF Civilianization (Update) MARK IVB DRO Continuation/Expansion Fix Bulletin Changes (Unified DoD/NOAA format, MI fixes included) T-PARC / TCS-08 – Data used in forecasts (Sinlaku) JMA GSM out to 132 Hrs / Forecasts to 120 Hrs ECMWF Fields METSAT Conference / Tropical Cyclone Conference / JTWC 50 th Anniversary –METSAT: Apr –JTWC 50 th Anniversary: 29 Apr 1000 HST –TCC: 29 Apr – 1 May
Contact Info Director: COM: (808) DSN: (315) JT Ops Officer (JTOPS): COM: (808) DSN: (315)
QUESTIONS