*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP902021 07/30/21 18 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       80%                                 95%

LAT  (deg N)     12.6  13.1  13.0  13.2  13.5  14.4  15.9  17.3  18.4  19.3  19.6  19.1  19.6
LON  (deg W)    112.7 113.9 115.5 116.5 117.5 119.3 120.9 123.7 126.9 129.9 132.8 134.5 135.9
DTL  (km)        1117  1164  1244  1278  1310  1360  1334  1446  1603  1787  2027  2129  1979
TRACK SOURCE     AP12  AP12  AP12  AP12  AP12  AP12  AP12  AP12  AP12  AP12  AP12  AP12  AP12

TCGI  0-48h Genesis Forecast:   80% is  1.8 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   95% is  1.7 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   -5.9  12.0%      -2.0   -2.2  11.3%
VORTICITY          1.6    1.7  16.5%       1.5    2.5  25.4%
VERTICAL SHEAR    12.9   11.1  15.9%      14.9   10.2  30.8%
RH                79.1   86.2   8.6%      74.8   81.5   6.8%
GOES              42.9   45.5   9.5%      42.8   45.5   7.7%
DVORAK             0.9    2.0  17.8%       0.9    2.0  12.6%

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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