*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP972019 07/21/19 18 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       60%                                 73%

LAT  (deg N)     11.9  12.0  12.8  13.4  14.1  15.8  16.9  17.9  19.1  19.7  20.3  20.7  21.1
LON  (deg W)    117.4 118.3 118.1 118.2 118.4 118.4 119.3 119.4 120.4 121.6 122.6 123.7 125.0
DTL  (km)        1452  1497  1411  1365  1318  1182  1139  1061  1047  1111  1135  1182  1255
TRACK SOURCE     AP08  AP08  AP08  AP08  AP08  AP08  AP08  AP08  AP08  AP08  AP08  AP08  AP08

TCGI  0-48h Genesis Forecast:   60% is  1.4 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   73% 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    0.7   1.8%      -2.0    0.8   3.2%
VORTICITY          1.6    2.4  18.8%       1.5    1.9  19.2%
VERTICAL SHEAR    12.9   14.7  11.9%      14.9   10.6  29.3%
RH                79.1   77.8   8.2%      74.8   71.9   5.8%
GOES              42.9   44.8   8.4%      42.8   44.8   7.2%
DVORAK             0.9    1.5  11.3%       0.9    1.5   8.6%

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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