Validation of sea ice concentration
Bulletin date: 2016-09-22
Model vs. observations, sea ice class contingency tables
Date: 2016-09-16:
| 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 |
24964 |
4924 |
969 |
442 |
136 |
26 |
5 |
0 |
| OW |
0 |
1 |
25 |
132 |
116 |
29 |
3 |
0 |
| VODI |
0 |
0 |
18 |
127 |
160 |
106 |
29 |
0 |
| ODI |
0 |
0 |
2 |
41 |
105 |
236 |
170 |
0 |
| CDI |
0 |
0 |
0 |
8 |
24 |
204 |
1648 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
190 |
2504 |
808 |
|
...date precedes bulletin
|
Date: 2016-09-20:
| 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 |
24623 |
5184 |
1016 |
433 |
145 |
27 |
3 |
0 |
| OW |
0 |
0 |
31 |
116 |
126 |
35 |
3 |
0 |
| VODI |
0 |
0 |
21 |
85 |
193 |
135 |
50 |
0 |
| ODI |
0 |
0 |
7 |
41 |
94 |
233 |
332 |
0 |
| CDI |
0 |
0 |
0 |
4 |
36 |
126 |
1014 |
221 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
40 |
1071 |
2712 |
|
...date precedes bulletin
|
Date: 2016-09-22:
| 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 |
24336 |
5602 |
947 |
335 |
78 |
6 |
0 |
0 |
| OW |
0 |
5 |
87 |
106 |
97 |
11 |
1 |
0 |
| VODI |
0 |
1 |
47 |
101 |
189 |
91 |
17 |
0 |
| ODI |
0 |
0 |
10 |
37 |
117 |
273 |
188 |
0 |
| CDI |
0 |
0 |
3 |
12 |
32 |
215 |
1062 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
97 |
1975 |
2075 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24336 |
5601 |
954 |
370 |
105 |
8 |
0 |
0 |
| OW |
0 |
7 |
81 |
106 |
102 |
16 |
3 |
0 |
| VODI |
0 |
0 |
44 |
75 |
190 |
126 |
30 |
0 |
| ODI |
0 |
0 |
12 |
31 |
86 |
232 |
220 |
0 |
| CDI |
0 |
0 |
3 |
9 |
29 |
221 |
1029 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
90 |
1961 |
2076 |
|
Date: 2016-09-26:
| 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 |
24988 |
5002 |
688 |
241 |
96 |
11 |
1 |
0 |
| OW |
0 |
14 |
60 |
73 |
62 |
20 |
2 |
0 |
| VODI |
0 |
0 |
36 |
62 |
138 |
101 |
33 |
0 |
| ODI |
0 |
0 |
2 |
15 |
121 |
225 |
129 |
0 |
| CDI |
0 |
0 |
0 |
6 |
39 |
276 |
657 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
48 |
240 |
3522 |
1250 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24988 |
5011 |
691 |
276 |
154 |
32 |
3 |
0 |
| OW |
0 |
5 |
57 |
54 |
77 |
46 |
9 |
0 |
| VODI |
0 |
0 |
32 |
37 |
101 |
156 |
66 |
0 |
| ODI |
0 |
0 |
5 |
23 |
66 |
150 |
157 |
0 |
| CDI |
0 |
0 |
1 |
8 |
65 |
296 |
891 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
193 |
3218 |
1250 |
|
Date: 2016-09-28:
| 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 |
24897 |
5133 |
656 |
252 |
90 |
17 |
2 |
0 |
| OW |
0 |
15 |
56 |
76 |
72 |
13 |
9 |
0 |
| VODI |
0 |
0 |
27 |
49 |
131 |
90 |
44 |
0 |
| ODI |
0 |
0 |
0 |
21 |
98 |
173 |
105 |
0 |
| CDI |
0 |
0 |
3 |
4 |
50 |
218 |
523 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
34 |
233 |
3697 |
1367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24897 |
5116 |
634 |
271 |
137 |
27 |
4 |
0 |
| OW |
0 |
22 |
60 |
69 |
85 |
49 |
10 |
0 |
| VODI |
0 |
10 |
34 |
29 |
104 |
127 |
80 |
0 |
| ODI |
0 |
0 |
11 |
25 |
61 |
118 |
130 |
0 |
| CDI |
0 |
0 |
3 |
8 |
49 |
246 |
784 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
39 |
177 |
3372 |
1367 |
|
Date: 2016-09-30:
| 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 |
24860 |
5034 |
630 |
324 |
50 |
6 |
0 |
0 |
| OW |
0 |
15 |
67 |
72 |
56 |
28 |
1 |
0 |
| VODI |
0 |
0 |
52 |
48 |
73 |
99 |
19 |
0 |
| ODI |
0 |
0 |
17 |
33 |
85 |
129 |
77 |
0 |
| CDI |
0 |
0 |
7 |
10 |
54 |
162 |
238 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
41 |
213 |
3827 |
1829 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24860 |
5004 |
624 |
332 |
86 |
60 |
0 |
0 |
| OW |
0 |
26 |
45 |
69 |
54 |
94 |
11 |
0 |
| VODI |
0 |
19 |
44 |
35 |
65 |
107 |
78 |
0 |
| ODI |
0 |
0 |
43 |
32 |
57 |
97 |
109 |
0 |
| CDI |
0 |
0 |
17 |
14 |
54 |
151 |
378 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
43 |
128 |
3586 |
1829 |
|
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