*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP922021 06/12/21 18 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       44%                                 44%

LAT  (deg N)     12.6  12.8  12.7  12.3  11.6   9.5   7.3   5.9   5.6   6.3   7.5   9.1  10.4
LON  (deg W)    122.9 124.1 125.2 126.2 127.0 127.6 127.2 126.1 124.5 123.1 122.6 122.7 123.1
DTL  (km)        1751  1824  1914  2020  2133  2353  2513  2559  2471  2319  2181  2052  1973
TRACK SOURCE     TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM

TCGI  0-48h Genesis Forecast:   44% is  1.0 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   44% is  0.8 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   -1.1   3.5%      -2.0   -1.5   6.7%
VORTICITY          1.6    1.8  12.7%       1.5    0.5   5.7%
VERTICAL SHEAR    12.9    8.4  13.3%      14.9   13.7  20.2%
RH                79.1   60.4   1.9%      74.8   60.2   2.6%
GOES              42.9   23.3   3.5%      42.8   23.3   2.7%
DVORAK             0.9    1.5   9.4%       0.9    1.5   6.3%

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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