Validation of sea ice concentration - Asian sector
Bulletin date: 2022-05-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
40 |
5 |
8 |
6 |
0 |
0 |
0 |
| OW |
0 |
1 |
2 |
26 |
39 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
7 |
71 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
80 |
64 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
157 |
453 |
76 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
202 |
3465 |
10411 |
16941 |
|
...date precedes bulletin
|
Date: 2022-05-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
53 |
7 |
12 |
1 |
0 |
0 |
0 |
| OW |
0 |
2 |
1 |
44 |
30 |
0 |
0 |
0 |
| VODI |
0 |
1 |
1 |
33 |
70 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
122 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
283 |
229 |
28 |
13 |
| VCDI |
0 |
0 |
0 |
1 |
344 |
3344 |
10066 |
17363 |
|
...date precedes bulletin
|
Date: 2022-05-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
105 |
15 |
61 |
11 |
0 |
0 |
0 |
| OW |
0 |
45 |
9 |
57 |
20 |
0 |
0 |
0 |
| VODI |
0 |
15 |
3 |
108 |
65 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
119 |
24 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
319 |
194 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
370 |
3438 |
11152 |
15783 |
|
...date precedes bulletin
|
Date: 2022-05-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
106 |
15 |
68 |
26 |
0 |
0 |
0 |
| OW |
0 |
45 |
6 |
51 |
22 |
0 |
0 |
0 |
| VODI |
0 |
28 |
5 |
112 |
58 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
98 |
141 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
64 |
410 |
253 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
65 |
630 |
4129 |
10753 |
14868 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
117 |
17 |
77 |
29 |
0 |
0 |
0 |
| OW |
0 |
46 |
4 |
60 |
21 |
0 |
0 |
0 |
| VODI |
0 |
16 |
5 |
103 |
58 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
127 |
60 |
1 |
0 |
| CDI |
0 |
0 |
0 |
64 |
398 |
254 |
58 |
0 |
| VCDI |
0 |
0 |
0 |
67 |
654 |
4131 |
10751 |
14868 |
|
Date: 2022-05-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
115 |
9 |
74 |
7 |
0 |
0 |
0 |
| OW |
0 |
55 |
11 |
60 |
17 |
0 |
0 |
0 |
| VODI |
0 |
17 |
6 |
113 |
46 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
105 |
95 |
23 |
3 |
0 |
| CDI |
0 |
0 |
0 |
80 |
495 |
214 |
88 |
11 |
| VCDI |
0 |
0 |
0 |
48 |
1021 |
4478 |
10520 |
14367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
139 |
10 |
76 |
8 |
0 |
0 |
0 |
| OW |
0 |
37 |
9 |
62 |
20 |
0 |
0 |
0 |
| VODI |
0 |
11 |
7 |
120 |
46 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
91 |
103 |
20 |
3 |
0 |
| CDI |
0 |
0 |
0 |
74 |
432 |
240 |
92 |
15 |
| VCDI |
0 |
0 |
0 |
57 |
1072 |
4453 |
10516 |
14363 |
|
Date: 2022-05-16:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
127 |
12 |
46 |
6 |
0 |
0 |
0 |
| OW |
0 |
30 |
7 |
112 |
17 |
0 |
0 |
0 |
| VODI |
0 |
0 |
3 |
159 |
103 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
97 |
234 |
64 |
3 |
0 |
| CDI |
0 |
0 |
0 |
113 |
747 |
666 |
117 |
19 |
| VCDI |
0 |
0 |
1 |
69 |
877 |
4080 |
8261 |
16109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
135 |
14 |
51 |
9 |
0 |
0 |
0 |
| OW |
0 |
16 |
2 |
66 |
19 |
0 |
0 |
0 |
| VODI |
0 |
6 |
6 |
128 |
66 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
134 |
42 |
13 |
0 |
| CDI |
0 |
0 |
0 |
92 |
486 |
500 |
115 |
15 |
| VCDI |
0 |
0 |
1 |
173 |
1270 |
4261 |
8253 |
16113 |
|
Date: 2022-05-18:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
188 |
14 |
63 |
3 |
0 |
0 |
0 |
| OW |
0 |
30 |
7 |
134 |
22 |
0 |
0 |
0 |
| VODI |
0 |
7 |
3 |
119 |
123 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
102 |
237 |
31 |
10 |
0 |
| CDI |
0 |
0 |
0 |
164 |
812 |
561 |
137 |
26 |
| VCDI |
0 |
42 |
8 |
132 |
1349 |
4579 |
10085 |
13091 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
183 |
13 |
41 |
1 |
0 |
0 |
0 |
| OW |
0 |
25 |
6 |
72 |
15 |
0 |
0 |
0 |
| VODI |
0 |
13 |
3 |
96 |
69 |
4 |
0 |
0 |
| ODI |
0 |
4 |
2 |
105 |
151 |
18 |
21 |
0 |
| CDI |
0 |
0 |
0 |
173 |
702 |
610 |
235 |
10 |
| VCDI |
0 |
42 |
8 |
227 |
1608 |
4542 |
9976 |
13107 |
|
Date: 2022-05-20:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
159 |
11 |
76 |
3 |
0 |
0 |
0 |
| OW |
0 |
46 |
12 |
117 |
41 |
0 |
0 |
0 |
| VODI |
0 |
6 |
3 |
131 |
128 |
8 |
0 |
0 |
| ODI |
0 |
7 |
5 |
130 |
215 |
72 |
26 |
0 |
| CDI |
0 |
53 |
11 |
156 |
614 |
711 |
367 |
29 |
| VCDI |
0 |
85 |
8 |
222 |
1579 |
4221 |
10642 |
12188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
185 |
19 |
70 |
10 |
0 |
0 |
0 |
| OW |
0 |
24 |
5 |
64 |
35 |
3 |
0 |
0 |
| VODI |
0 |
2 |
1 |
128 |
78 |
10 |
0 |
0 |
| ODI |
0 |
0 |
2 |
146 |
144 |
72 |
16 |
0 |
| CDI |
0 |
45 |
12 |
184 |
617 |
676 |
359 |
6 |
| VCDI |
0 |
100 |
11 |
240 |
1696 |
4251 |
10660 |
12211 |
|
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