*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP972019 07/21/19 06 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       87%                                 97%

LAT  (deg N)     11.8  12.3  12.5  13.5  14.6  16.1  16.9  17.5  18.8  20.1  21.3  22.3  23.5
LON  (deg W)    115.9 116.1 116.4 116.2 116.4 117.8 119.1 120.0 120.7 121.9 123.3 124.7 125.9
DTL  (km)        1383  1343  1339  1232  1141  1112  1126  1137  1093  1104  1107  1151  1191
TRACK SOURCE     AP11  AP11  AP11  AP11  AP11  AP11  AP11  AP11  AP11  AP11  AP11  AP11  AP11

TCGI  0-48h Genesis Forecast:   87% is  2.0 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   97% 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   -0.7   4.2%      -2.0   -0.3   6.0%
VORTICITY          1.6    3.5  29.2%       1.5    3.5  32.6%
VERTICAL SHEAR    12.9   10.4  16.8%      14.9    8.4  31.2%
RH                79.1   77.8   9.3%      74.8   77.1   7.0%
GOES              42.9   67.7  14.7%      42.8   67.7  11.2%
DVORAK             0.9    1.5  12.9%       0.9    1.5   8.7%

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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