Validation of sea ice concentration
Bulletin date: 2018-03-29
Model vs. observations, sea ice class contingency tables
Date: 2018-03-23:
| 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 |
13794 |
6321 |
768 |
357 |
95 |
37 |
16 |
0 |
| OW |
0 |
22 |
170 |
140 |
93 |
57 |
23 |
0 |
| VODI |
0 |
11 |
86 |
126 |
112 |
105 |
47 |
0 |
| ODI |
0 |
1 |
32 |
81 |
108 |
159 |
163 |
9 |
| CDI |
0 |
0 |
9 |
51 |
124 |
295 |
591 |
92 |
| VCDI |
0 |
0 |
2 |
43 |
74 |
392 |
7399 |
6154 |
|
...date precedes bulletin
|
Date: 2018-03-27:
| 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 |
13549 |
6074 |
1038 |
407 |
202 |
141 |
24 |
0 |
| OW |
0 |
12 |
123 |
114 |
72 |
104 |
26 |
0 |
| VODI |
0 |
2 |
61 |
103 |
98 |
165 |
84 |
0 |
| ODI |
0 |
0 |
7 |
53 |
82 |
201 |
208 |
0 |
| CDI |
0 |
0 |
1 |
10 |
42 |
289 |
652 |
12 |
| VCDI |
0 |
0 |
1 |
5 |
18 |
356 |
6913 |
6910 |
|
...date precedes bulletin
|
Date: 2018-03-29:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2018-04-02:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2018-04-04:
| 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 |
13443 |
6017 |
811 |
424 |
158 |
137 |
63 |
0 |
| OW |
0 |
38 |
90 |
106 |
83 |
88 |
31 |
0 |
| VODI |
0 |
21 |
51 |
73 |
118 |
132 |
81 |
0 |
| ODI |
0 |
2 |
24 |
51 |
100 |
197 |
207 |
19 |
| CDI |
0 |
0 |
10 |
37 |
97 |
285 |
513 |
82 |
| VCDI |
0 |
0 |
2 |
17 |
77 |
753 |
6630 |
7091 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13443 |
5980 |
790 |
371 |
171 |
141 |
63 |
0 |
| OW |
0 |
53 |
87 |
114 |
65 |
89 |
37 |
0 |
| VODI |
0 |
25 |
59 |
100 |
103 |
152 |
59 |
0 |
| ODI |
0 |
14 |
26 |
56 |
95 |
172 |
232 |
2 |
| CDI |
0 |
6 |
22 |
48 |
104 |
302 |
551 |
68 |
| VCDI |
0 |
0 |
4 |
19 |
95 |
736 |
6583 |
7122 |
|
Date: 2018-04-06:
| 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 |
13431 |
5827 |
865 |
367 |
198 |
204 |
17 |
0 |
| OW |
0 |
3 |
167 |
79 |
72 |
109 |
30 |
0 |
| VODI |
0 |
0 |
75 |
90 |
106 |
206 |
74 |
0 |
| ODI |
0 |
0 |
24 |
50 |
94 |
283 |
155 |
0 |
| CDI |
0 |
0 |
5 |
38 |
47 |
468 |
455 |
20 |
| VCDI |
0 |
0 |
0 |
6 |
40 |
348 |
6917 |
7289 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13431 |
5786 |
778 |
357 |
199 |
225 |
35 |
0 |
| OW |
0 |
42 |
167 |
62 |
69 |
111 |
39 |
0 |
| VODI |
0 |
2 |
99 |
73 |
77 |
173 |
68 |
0 |
| ODI |
0 |
0 |
56 |
49 |
59 |
204 |
152 |
1 |
| CDI |
0 |
0 |
27 |
62 |
85 |
397 |
422 |
32 |
| VCDI |
0 |
0 |
9 |
27 |
68 |
508 |
6932 |
7276 |
|
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