*          ATLANTIC TC GENESIS INDEX           *
                      *                GFS VERSION                   *
                      *           AL922022 10/04/22 00 UTC           *

TIME (hr)           0     6    12    18    24    36    48    60    72    84    96   108   120
Prob of Genesis                                       71%                                 77%

LAT  (deg N)     11.9  12.5  13.2  13.9  14.6  15.8  16.8  18.3  20.6  23.3  25.6  26.6  26.7
LON  (deg W)     28.7  29.7  30.5  31.4  32.0  33.2  34.0  34.8  36.4  39.0  42.4  46.3  49.5
DTL  (km)        1253  1341  1412  1499  1558  1686  1778  1883  2015  2269  2531  2195  1907
TRACK SOURCE     AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI  AVNI

TCGI  0-48h Genesis Forecast:   71% is  2.4 times the sample mean (  30%)
TCGI 0-120h Genesis Forecast:   77% is  1.8 times the sample mean (  43%)

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INDIVIDUAL PREDICTOR CONTRIBUTIONS TO PROBABILITY OF GENESIS 

               *******  48-HR ******   ******* 120-HR ******
                   AVG   TCGI   CONT       AVG   TCGI   CONT
DIVERGENCE        -1.0   -1.9  11.7%       1.0   -0.2  11.7%
VORTICITY          1.7    3.0  16.5%       1.4    2.7  26.1%
VERTICAL SHEAR    16.3    9.0  24.3%      18.4   16.0  20.9%
RH                73.1   75.6  -0.3%      70.9   70.7   3.4%
GOES              29.1   76.7   4.8%      29.3   76.7   2.9%
DVORAK             0.8    1.5  13.9%       0.8    1.5  11.7%

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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 2.1, February 2018