*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP942020 08/16/20 00 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       72%                                 79%

LAT  (deg N)     17.4  18.4  19.6  20.5  21.4  22.5  23.2  23.1  22.7  21.9  21.0  20.0  19.4
LON  (deg W)    119.0 119.6 120.4 121.4 122.7 125.6 128.6 130.9 133.0 135.2 137.3 139.5 141.3
DTL  (km)        1076  1036  1014  1036  1054  1218  1456  1642  1811  2029  1832  1601  1414
TRACK SOURCE     AP18  AP18  AP18  AP18  AP18  AP18  AP18  AP18  AP18  AP18  AP18  AP18  AP18

TCGI  0-48h Genesis Forecast:   72% is  1.7 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   79% is  1.4 times the sample mean (  56%)

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INDIVIDUAL PREDICTOR CONTRIBUTIONS TO PROBABILITY OF GENESIS 

               *******  48-HR ******   ******* 120-HR ******
                   AVG   TCGI   CONT       AVG   TCGI   CONT
DIVERGENCE        -2.0    0.9   1.6%      -2.0    1.2   2.1%
VORTICITY          1.6    3.0  24.5%       1.5    2.3  23.6%
VERTICAL SHEAR    12.9    7.2  18.2%      14.9    6.0  33.5%
RH                79.1   74.0   7.5%      74.8   63.5   4.4%
GOES              42.9   38.5   7.8%      42.8   38.5   6.5%
DVORAK             0.9    1.5  12.3%       0.9    1.5   8.9%

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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