*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP902020 07/20/20 06 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       43%                                 71%

LAT  (deg N)     14.7  14.5  13.4  12.8  12.3  11.7  11.5  11.7  11.9  12.8  14.2  15.4  16.6
LON  (deg W)    119.6 120.7 121.1 121.7 122.7 124.9 127.6 130.9 134.1 136.7 140.0 143.3 146.6
DTL  (km)        1357  1443  1567  1660  1769  1971  2189  2442  2369  2070  1680  1301   924
TRACK SOURCE     AP17  AP17  AP17  AP17  AP17  AP17  AP17  AP17  AP17  AP17  AP17  AP17  AP17

TCGI  0-48h Genesis Forecast:   43% is  1.0 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   71% is  1.3 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   -0.1   2.3%      -2.0    0.3   4.4%
VORTICITY          1.6    1.0   8.2%       1.5    1.5  16.2%
VERTICAL SHEAR    12.9    9.3  12.5%      14.9    7.3  30.6%
RH                79.1   74.6   5.8%      74.8   75.7   6.4%
GOES              42.9   31.2   4.7%      42.8   31.2   4.9%
DVORAK             0.9    1.5   9.2%       0.9    1.5   8.4%

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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