*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP992020 07/19/20 06 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       31%                                 31%

LAT  (deg N)     14.0  14.7  15.4  16.0  16.7  17.5  17.6  17.6  17.2  16.9  17.2  17.7  18.8
LON  (deg W)    125.6 126.5 127.4 128.0 128.6 130.5 132.2 134.4 136.5 139.3 142.3 146.3 147.1
DTL  (km)        1839  1861  1881  1875  1864  1958  2096  2159  1946  1661  1342   917   816
TRACK SOURCE     AP13  AP13  AP13  AP13  AP13  AP13  AP13  AP13  AP13  AP13  AP13  AP13  TABM

TCGI  0-48h Genesis Forecast:   31% is  0.7 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   31% is  0.5 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    0.2   1.6%      -2.0    0.4   2.3%
VORTICITY          1.6    1.2   7.8%       1.5    0.9   6.2%
VERTICAL SHEAR    12.9    4.5  12.1%      14.9   10.1  16.0%
RH                79.1   75.5   4.8%      74.8   70.9   3.1%
GOES              42.9   28.2   3.3%      42.8   28.2   2.4%
DVORAK             0.9    0.5   1.2%       0.9    0.5   0.8%

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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