* NE PACIFIC TC GENESIS INDEX * * GFS VERSION * * EP952019 10/05/19 18 UTC * TIME (hr) 0 6 12 18 24 36 48 60 72 84 96 108 120 Prob of Genesis 44% 44% LAT (deg N) 16.2 16.5 16.9 17.2 18.0 19.1 20.5 23.0 24.1 26.5 29.9 33.7 36.4 LON (deg W) 129.8 130.6 131.5 132.0 132.9 135.0 136.2 135.9 136.5 136.9 136.6 135.9 134.7 DTL (km) 1996 2038 2083 2105 2131 2077 1945 1993 1953 1824 1535 1255 1009 TRACK SOURCE AP01 AP01 AP01 AP01 AP01 AP01 AP01 TABM TABM TABM TABM TABM TABM TCGI 0-48h Genesis Forecast: 44% is 1.0 times the sample mean ( 44%) TCGI 0-120h Genesis Forecast: 44% is 0.8 times the sample mean ( 56%) --------------------------------------------------------------------------------------------- INDIVIDUAL PREDICTOR CONTRIBUTIONS TO PROBABILITY OF GENESIS ******* 48-HR ****** ******* 120-HR ****** AVG TCGI CONT AVG TCGI CONT DIVERGENCE -2.0 -0.6 2.9% -2.0 0.1 4.4% VORTICITY 1.6 1.8 12.7% 1.5 0.4 6.6% VERTICAL SHEAR 12.9 9.1 12.8% 14.9 21.9 20.6% RH 79.1 74.2 5.7% 74.8 60.8 3.4% GOES 42.9 26.8 4.0% 42.8 26.8 3.9% DVORAK 0.9 1.0 5.4% 0.9 1.0 4.6% --------------------------------------------------------------------------------------------- PREDICTOR DEFINITIONS (Averaged Over 500 km Radius) GENESIS CLIM = Climatological Prob (%) of Genesis (Source: NHC-TAFB Invest Database) DIVERGENCE = GFS 850 hPa Horizontal Divergence (x10-7 s-1) VORTICITY = GFS 850 hPa Vorticity (x10-6 s-1) VERTICAL SHEAR = GFS 200-850 hPa Vertical Shear (kt) RH = GFS 600-850 hPa Relative Humidity (%) GOES = GOES Water Vapor Pixels Colder than -40C (%) DVORAK = Dvorak T-number, source: TAFB Version 3.0, July 2018