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

2013061800
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061700
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061600
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061500
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061400
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061300
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061200
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061100
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013061000
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013060900
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013060800
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013060700
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013060600
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013060500
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360
2013060400
24
48
72
96
120
144
168
192
216
240
264
288
312
336
360

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