* NE PACIFIC TC GENESIS INDEX * * GFS VERSION * * EP952019 10/03/19 06 UTC * TIME (hr) 0 6 12 18 24 36 48 60 72 84 96 108 120 Prob of Genesis 29% 36% LAT (deg N) 13.0 12.4 12.0 12.0 12.0 12.1 12.5 13.1 13.9 14.5 17.2 17.7 18.2 LON (deg W) 125.4 125.8 125.9 126.0 126.3 127.4 128.9 130.1 131.2 133.2 132.8 133.0 132.6 DTL (km) 1901 1979 2019 2027 2049 2127 2218 2267 2283 2361 2172 2164 2093 TRACK SOURCE AP05 AP05 AP05 AP05 AP05 AP05 AP05 AP05 AP05 AP05 TABM TABM TABM TCGI 0-48h Genesis Forecast: 29% is 0.7 times the sample mean ( 44%) TCGI 0-120h Genesis Forecast: 36% is 0.6 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 1.0 0.9% -2.0 -0.1 3.4% VORTICITY 1.6 0.9 6.2% 1.5 0.3 3.8% VERTICAL SHEAR 12.9 10.0 9.4% 14.9 8.0 18.8% RH 79.1 77.1 5.0% 74.8 73.5 3.8% GOES 42.9 32.2 3.7% 42.8 32.2 3.1% DVORAK 0.9 1.0 4.1% 0.9 1.0 3.0% --------------------------------------------------------------------------------------------- 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