Data Normalization to Accelerate Training for Linear Neural Net to Predict Tropical Cyclone Tracks

Table 2

Variable information of the data set.

Variable	Min.	Max.	Mean	Std.	Meaning
Lon. v1	105.3	123.0	114.7	4.2	Initial lon. (E)
Lon. v2	−39.8	23.1	−9.1	10.3	Zonal motion at −12 h
Lon. v3	−36.1	20.8	−9.3	9.7	Zonal motion at −24 h
Lon. v4	106	130	116.8	4.9	Lon. (E) at −12 h
Lon. v5	−43.9	20.8	−9.6	10.3	Zonal motion from −24 to −12 h
Lon. v6	−4.5	2.7	−1.0	1.2	Lon. difference between 0 and −12
Lon. v7	106.0	124.6	115.2	4.3	Lon. (E) at −6 h
Lon. v8	106.0	128.3	116.3	4.7	Lon. (E) at −24 h
Lon. t	101.4	128.3	112.8	4.7	Current lon. (E)
Lat. v1	10.8	23.5	18.7	2.4	Initial lat. (N)
Lat. v2	−39.8	23.1	−9.1	10.3	Zonal motion at −12 h
Lat. v3	−17.4	26.6	4.2	6.5	Meridional motion at −12 h
Lat. v4	−36.1	20.8	−9.3	9.7	Zonal motion at −24 h
Lat. v5	0.0	525.2	50.2	62.0	Squared zonal motion at −24
Lat. v6	10.0	23.7	18.2	2.4	Lat. (N) at −12 h
Lat. v7	−4.5	2.7	−1.0	1.2	Lon. difference between 0 and −12
Lat. v8	−8.2	4.8	−2.1	2.2	Lon. difference between 0 and −24 h
Lat. v9	10.3	23.8	18.5	2.4	Lat. (N) at −6 h
Lat. v10	9.6	24.0	18.0	2.5	Lat. (N) at −24 h
Lat. v11	10	60	23.5	9.9	Max. surface wind at −6 h
Lat. t	12.2	30.0	19.8	2.6	Current lat. (N)