*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP942020 08/15/20 18 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       80%                                 89%

LAT  (deg N)     16.5  17.3  18.2  19.2  20.2  21.8  22.8  23.2  23.1  22.8  22.1  21.2  20.1
LON  (deg W)    118.4 118.8 119.4 119.9 120.8 123.0 125.6 127.9 129.9 131.6 133.3 134.8 136.1
DTL  (km)        1119  1071  1037  1000  1011  1046  1201  1391  1583  1712  1882  2060  1956
TRACK SOURCE     AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI  AEMI

TCGI  0-48h Genesis Forecast:   80% is  1.8 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   89% is  1.6 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    0.4   2.4%      -2.0    1.0   3.0%
VORTICITY          1.6    3.3  27.5%       1.5    2.6  27.2%
VERTICAL SHEAR    12.9    5.1  20.3%      14.9    4.6  36.3%
RH                79.1   75.1   8.1%      74.8   65.1   5.0%
GOES              42.9   42.9   8.9%      42.8   42.9   7.6%
DVORAK             0.9    1.5  12.6%       0.9    1.5   9.4%

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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