Validation of sea ice concentration
Bulletin date: 2019-10-03
Model vs. observations, sea ice class contingency tables
Date: 2019-09-27:
| 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 |
24091 |
5460 |
853 |
443 |
109 |
5 |
1 |
0 |
| OW |
0 |
18 |
88 |
116 |
109 |
16 |
1 |
0 |
| VODI |
0 |
16 |
56 |
73 |
137 |
88 |
9 |
0 |
| ODI |
0 |
3 |
26 |
48 |
78 |
121 |
76 |
0 |
| CDI |
0 |
0 |
6 |
36 |
55 |
240 |
473 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
15 |
156 |
2789 |
2346 |
|
...date precedes bulletin
|
Date: 2019-10-01:
| 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 |
23753 |
5570 |
960 |
389 |
205 |
19 |
1 |
0 |
| OW |
0 |
3 |
55 |
92 |
91 |
32 |
3 |
0 |
| VODI |
0 |
0 |
22 |
45 |
103 |
71 |
27 |
0 |
| ODI |
0 |
0 |
4 |
20 |
89 |
190 |
99 |
0 |
| CDI |
0 |
0 |
3 |
29 |
49 |
249 |
462 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
20 |
123 |
2902 |
2472 |
|
...date precedes bulletin
|
Date: 2019-10-03:
| 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 |
23927 |
5298 |
841 |
530 |
139 |
10 |
0 |
0 |
| OW |
0 |
10 |
61 |
113 |
110 |
33 |
4 |
0 |
| VODI |
0 |
5 |
16 |
45 |
115 |
79 |
28 |
0 |
| ODI |
0 |
2 |
5 |
24 |
96 |
179 |
79 |
0 |
| CDI |
0 |
0 |
6 |
23 |
65 |
234 |
403 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
30 |
241 |
3066 |
2341 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23927 |
5295 |
840 |
536 |
158 |
20 |
1 |
0 |
| OW |
0 |
13 |
59 |
100 |
95 |
24 |
3 |
0 |
| VODI |
0 |
5 |
19 |
57 |
117 |
78 |
29 |
0 |
| ODI |
0 |
2 |
5 |
19 |
98 |
179 |
77 |
0 |
| CDI |
0 |
0 |
6 |
23 |
58 |
243 |
391 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
29 |
232 |
3079 |
2341 |
|
Date: 2019-10-07:
| 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 |
23623 |
5866 |
813 |
500 |
165 |
3 |
1 |
0 |
| OW |
0 |
2 |
61 |
118 |
116 |
13 |
3 |
0 |
| VODI |
0 |
1 |
12 |
81 |
180 |
65 |
5 |
0 |
| ODI |
0 |
0 |
7 |
80 |
164 |
143 |
50 |
0 |
| CDI |
0 |
0 |
9 |
67 |
79 |
251 |
354 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
40 |
671 |
3235 |
1365 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23623 |
5822 |
703 |
387 |
165 |
7 |
1 |
0 |
| OW |
0 |
35 |
123 |
150 |
82 |
12 |
0 |
0 |
| VODI |
0 |
10 |
50 |
124 |
155 |
44 |
7 |
0 |
| ODI |
0 |
1 |
8 |
59 |
117 |
97 |
16 |
0 |
| CDI |
0 |
1 |
17 |
103 |
137 |
241 |
189 |
0 |
| VCDI |
0 |
0 |
1 |
39 |
88 |
745 |
3435 |
1365 |
|
Date: 2019-10-09:
| 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 |
23721 |
5959 |
768 |
440 |
100 |
14 |
1 |
0 |
| OW |
0 |
39 |
76 |
110 |
79 |
40 |
3 |
0 |
| VODI |
0 |
6 |
43 |
70 |
102 |
74 |
21 |
0 |
| ODI |
0 |
2 |
11 |
94 |
120 |
98 |
40 |
0 |
| CDI |
0 |
1 |
6 |
33 |
86 |
292 |
404 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
502 |
2961 |
1832 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23721 |
5863 |
622 |
382 |
99 |
28 |
2 |
0 |
| OW |
0 |
104 |
143 |
89 |
52 |
28 |
2 |
0 |
| VODI |
0 |
29 |
99 |
108 |
94 |
52 |
15 |
0 |
| ODI |
0 |
4 |
19 |
61 |
75 |
92 |
34 |
0 |
| CDI |
0 |
5 |
14 |
61 |
83 |
267 |
268 |
0 |
| VCDI |
0 |
2 |
7 |
46 |
95 |
553 |
3109 |
1832 |
|
Date: 2019-10-11:
| 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 |
23208 |
6176 |
769 |
417 |
161 |
29 |
1 |
0 |
| OW |
0 |
74 |
105 |
91 |
80 |
47 |
0 |
0 |
| VODI |
0 |
8 |
46 |
82 |
97 |
91 |
14 |
0 |
| ODI |
0 |
0 |
5 |
51 |
150 |
122 |
38 |
0 |
| CDI |
0 |
0 |
0 |
36 |
116 |
218 |
378 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
27 |
369 |
3100 |
2051 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23208 |
6102 |
704 |
374 |
176 |
61 |
2 |
0 |
| OW |
0 |
121 |
118 |
72 |
51 |
38 |
2 |
0 |
| VODI |
0 |
34 |
86 |
109 |
92 |
82 |
11 |
0 |
| ODI |
0 |
1 |
10 |
49 |
91 |
111 |
40 |
0 |
| CDI |
0 |
0 |
7 |
46 |
104 |
221 |
393 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
117 |
363 |
3083 |
2051 |
|
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