*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP922021 06/05/21 06 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       26%                                 30%

LAT  (deg N)     12.2  12.6  12.6  12.7  12.8  12.7  12.5  11.9  11.5  10.3   9.8  10.1  10.3
LON  (deg W)    106.7 106.6 106.7 106.6 106.8 107.5 108.3 109.2 110.3 112.9 113.4 113.1 111.8
DTL  (km)         767   723   728   713   715   764   833   942  1042  1318  1396  1349  1244
TRACK SOURCE     AP04  AP04  AP04  AP04  AP04  AP04  AP04  AP04  AP04  AP04  AP04  AP04  AP04

TCGI  0-48h Genesis Forecast:   26% is  0.6 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   30% is  0.5 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    0.2   1.4%      -2.0    0.4   2.2%
VORTICITY          1.6    0.7   5.0%       1.5    1.1   6.6%
VERTICAL SHEAR    12.9   11.5   7.9%      14.9   20.3  12.3%
RH                79.1   79.5   5.0%      74.8   77.2   3.6%
GOES              42.9   49.7   5.3%      42.8   49.7   4.2%
DVORAK             0.9    0.5   1.1%       0.9    0.5   0.7%

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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