*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP092021 08/03/21 06 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       68%                                 88%

LAT  (deg N)     13.2  13.5  13.5  13.6  13.7  14.1  14.3  14.7  15.6  16.1  16.8  18.5  21.0
LON  (deg W)    132.6 133.3 133.8 134.1 134.4 135.1 135.7 136.8 137.7 138.8 139.7 140.0 141.6
DTL  (km)        2446  2385  2334  2300  2265  2179  2111  1984  1862  1734  1622  1558  1386
TRACK SOURCE     AP27  AP27  AP27  AP27  AP27  AP27  AP27  AP27  AP27  AP27  AP27  AP27  AP27

TCGI  0-48h Genesis Forecast:   68% is  1.6 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   88% 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    0.0   2.9%      -2.0   -0.4   7.0%
VORTICITY          1.6    2.1  18.3%       1.5    2.3  25.0%
VERTICAL SHEAR    12.9    8.9  16.8%      14.9   11.1  32.1%
RH                79.1   78.6   9.0%      74.8   76.6   7.5%
GOES              42.9   20.5   3.9%      42.8   20.5   3.6%
DVORAK             0.9    2.0  17.1%       0.9    2.0  13.4%

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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