*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP992021 07/29/21 00 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       51%                                 79%

LAT  (deg N)     13.6  13.7  13.8  13.9  13.6  12.5  12.1  12.4  12.5  13.1  13.6  14.1  14.6
LON  (deg W)    119.8 120.6 121.6 122.4 123.1 124.8 126.7 128.3 128.9 129.8 131.0 132.0 132.7
DTL  (km)        1462  1509  1563  1608  1683  1897  2072  2176  2218  2245  2292  2330  2348
TRACK SOURCE     AP24  AP24  AP24  AP24  AP24  AP24  AP24  AP24  AP24  AP24  AP24  AP24  AP24

TCGI  0-48h Genesis Forecast:   51% is  1.2 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   79% is  1.4 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   -1.2   4.0%      -2.0   -0.7   7.2%
VORTICITY          1.6    1.8  13.7%       1.5    2.0  21.5%
VERTICAL SHEAR    12.9    8.5  14.5%      14.9    7.5  32.6%
RH                79.1   74.9   6.5%      74.8   75.8   6.9%
GOES              42.9   13.7   2.1%      42.8   13.7   2.2%
DVORAK             0.9    1.5  10.2%       0.9    1.5   9.0%

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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