Relative Measure of Predictability for 500 hPa (Initial Time and Forecast Hours)

2015073100
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015073000
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072900
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072800
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072700
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072600
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072500
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072400
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072300
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072200
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072100
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015072000
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015071900
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015071800
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2015071700
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360

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