* NE PACIFIC TC GENESIS INDEX * * GFS VERSION * * EP952019 10/03/19 00 UTC * TIME (hr) 0 6 12 18 24 36 48 60 72 84 96 108 120 Prob of Genesis 17% 30% LAT (deg N) 13.9 13.6 13.3 13.2 13.2 13.2 13.4 14.0 14.7 15.4 16.1 16.2 17.0 LON (deg W) 124.5 124.9 125.2 125.4 125.6 126.3 127.5 128.7 130.1 131.5 133.2 134.7 136.0 DTL (km) 1761 1815 1862 1885 1901 1955 2037 2091 2136 2191 2282 2157 2000 TRACK SOURCE AEMN AEMN AEMN AEMN AEMN AEMN AEMN AEMN AEMN AEMN AEMN AEMN TABM TCGI 0-48h Genesis Forecast: 17% is 0.4 times the sample mean ( 44%) TCGI 0-120h Genesis Forecast: 30% is 0.5 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 0.9 0.6% -2.0 0.3 2.4% VORTICITY 1.6 1.1 4.4% 1.5 0.8 5.7% VERTICAL SHEAR 12.9 10.8 5.9% 14.9 10.4 15.6% RH 79.1 76.9 3.2% 74.8 75.8 3.5% GOES 42.9 26.5 2.0% 42.8 26.5 2.2% DVORAK 0.9 0.5 0.8% 0.9 0.5 0.8% --------------------------------------------------------------------------------------------- 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