*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           CP932019 10/22/19 00 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       39%                                 39%

LAT  (deg N)      9.7   9.8  10.0  10.2  10.4  10.9  11.4  12.0  12.5  13.1  13.9  14.5  14.5
LON  (deg W)    140.9 141.8 142.7 143.6 144.4 146.3 148.3 150.1 151.6 153.2 154.5 155.5 156.4
DTL  (km)        1849  1763  1674  1585  1499  1316  1137   967   824   695   569   491   492
TRACK SOURCE     TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM

TCGI  0-48h Genesis Forecast:   39% is  0.9 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   39% is  0.7 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   -1.9   4.1%      -2.0   -0.9   4.9%
VORTICITY          1.6    0.8   6.9%       1.5    0.5   5.5%
VERTICAL SHEAR    12.9   11.6  10.6%      14.9   18.1  16.1%
RH                79.1   72.7   4.9%      74.8   72.1   3.8%
GOES              42.9   52.0   7.5%      42.8   52.0   5.5%
DVORAK             0.9    1.0   5.0%       0.9    1.0   3.2%

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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: PHFO

Version 2.1, February 2018