*         NE PACIFIC TC GENESIS INDEX          *
                      *                GFS VERSION                   *
                      *           EP032021 06/16/21 18 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       12%                                 17%

LAT  (deg N)      7.9   7.9   8.0   8.2   8.5   9.1   9.6  10.0  10.4  10.8  11.4  12.1  12.8
LON  (deg W)    135.4 135.8 136.1 136.3 136.7 137.3 138.2 139.3 140.8 142.8 145.4 148.3 150.7
DTL  (km)        2457  2425  2392  2354  2308  2206  2095  1970  1812  1606  1353  1071   855
TRACK SOURCE     TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM  TABM

TCGI  0-48h Genesis Forecast:   12% is  0.3 times the sample mean (  44%)
TCGI 0-120h Genesis Forecast:   17% is  0.3 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    2.6   0.0%      -2.0    1.3   0.8%
VORTICITY          1.6    0.3   2.4%       1.5   -0.4   0.5%
VERTICAL SHEAR    12.9   16.0   4.5%      14.9   17.3  10.8%
RH                79.1   70.0   2.3%      74.8   68.3   2.2%
GOES              42.9    6.9   0.4%      42.8    6.9   0.4%
DVORAK             0.9    1.0   2.7%       0.9    1.0   2.1%

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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