*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP962021 07/13/21 18 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       37%                                 53%

LAT  (deg N)     12.7  13.4  14.0  14.5  15.2  16.3  17.0  16.9  16.3  15.3  14.1  13.5  13.4
LON  (deg W)    109.5 110.8 112.2 113.7 115.2 118.0 120.5 122.5 124.2 125.4 126.5 127.6 129.0
DTL  (km)         876   912   979  1007  1018  1113  1214  1378  1557  1732  1899  2036  2161
TRACK SOURCE     TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM

TCGI  0-48h Genesis Forecast:   37% is  0.9 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   53% is  0.9 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   -1.6   3.6%      -2.0    0.0   4.3%
VORTICITY          1.6    1.1   8.3%       1.5    1.4  12.6%
VERTICAL SHEAR    12.9    6.3  12.9%      14.9    5.8  26.0%
RH                79.1   75.0   5.4%      74.8   66.9   4.0%
GOES              42.9   16.4   2.1%      42.8   16.4   2.1%
DVORAK             0.9    1.0   4.9%       0.9    1.0   4.0%

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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