Validation of sea ice concentration
Bulletin date: 2019-10-10
Model vs. observations, sea ice class contingency tables
Date: 2019-10-04:
| 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 |
23956 |
5314 |
750 |
496 |
130 |
13 |
0 |
0 |
| OW |
0 |
8 |
103 |
120 |
110 |
23 |
7 |
0 |
| VODI |
0 |
4 |
26 |
54 |
125 |
74 |
30 |
0 |
| ODI |
0 |
4 |
8 |
53 |
123 |
104 |
74 |
0 |
| CDI |
0 |
0 |
11 |
29 |
110 |
217 |
367 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
75 |
276 |
3089 |
2274 |
|
...date precedes bulletin
|
Date: 2019-10-08:
| 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 |
23543 |
6048 |
846 |
492 |
131 |
31 |
1 |
0 |
| OW |
0 |
11 |
57 |
96 |
66 |
48 |
5 |
0 |
| VODI |
0 |
1 |
36 |
70 |
92 |
117 |
11 |
0 |
| ODI |
0 |
0 |
7 |
89 |
108 |
124 |
49 |
0 |
| CDI |
0 |
0 |
14 |
55 |
91 |
209 |
436 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
36 |
565 |
3031 |
1632 |
|
...date precedes bulletin
|
Date: 2019-10-10:
| 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 |
23277 |
6214 |
810 |
436 |
109 |
29 |
4 |
0 |
| OW |
0 |
59 |
95 |
95 |
82 |
44 |
6 |
0 |
| VODI |
0 |
4 |
46 |
79 |
95 |
87 |
23 |
0 |
| ODI |
0 |
0 |
8 |
75 |
131 |
109 |
43 |
0 |
| CDI |
0 |
0 |
0 |
35 |
88 |
274 |
336 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
28 |
511 |
3055 |
1870 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23277 |
6242 |
810 |
446 |
124 |
41 |
6 |
0 |
| OW |
0 |
32 |
93 |
78 |
63 |
32 |
7 |
0 |
| VODI |
0 |
3 |
47 |
70 |
91 |
81 |
19 |
0 |
| ODI |
0 |
0 |
9 |
85 |
124 |
108 |
39 |
0 |
| CDI |
0 |
0 |
0 |
41 |
95 |
262 |
335 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
36 |
530 |
3061 |
1870 |
|
Date: 2019-10-14:
| 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 |
22388 |
6474 |
699 |
360 |
227 |
43 |
1 |
0 |
| OW |
0 |
37 |
122 |
97 |
78 |
43 |
6 |
0 |
| VODI |
0 |
5 |
46 |
103 |
111 |
97 |
12 |
0 |
| ODI |
0 |
0 |
1 |
41 |
66 |
140 |
39 |
0 |
| CDI |
0 |
0 |
0 |
10 |
77 |
355 |
229 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
400 |
3611 |
2237 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22388 |
6457 |
721 |
374 |
317 |
126 |
21 |
0 |
| OW |
0 |
43 |
87 |
79 |
40 |
53 |
20 |
0 |
| VODI |
0 |
14 |
55 |
83 |
62 |
99 |
47 |
0 |
| ODI |
0 |
2 |
5 |
48 |
53 |
139 |
61 |
0 |
| CDI |
0 |
0 |
0 |
24 |
70 |
237 |
211 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
21 |
424 |
3538 |
2237 |
|
Date: 2019-10-16:
| 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 |
21954 |
6252 |
819 |
310 |
254 |
178 |
67 |
0 |
| OW |
0 |
71 |
175 |
91 |
70 |
76 |
48 |
0 |
| VODI |
0 |
2 |
64 |
78 |
68 |
107 |
109 |
0 |
| ODI |
0 |
0 |
11 |
15 |
32 |
94 |
150 |
0 |
| CDI |
0 |
0 |
1 |
3 |
22 |
125 |
384 |
6 |
| VCDI |
0 |
0 |
0 |
1 |
13 |
171 |
3085 |
3253 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21954 |
6293 |
894 |
332 |
274 |
249 |
160 |
0 |
| OW |
0 |
21 |
91 |
62 |
49 |
66 |
91 |
0 |
| VODI |
0 |
11 |
68 |
79 |
72 |
75 |
141 |
0 |
| ODI |
0 |
0 |
14 |
18 |
30 |
83 |
183 |
0 |
| CDI |
0 |
0 |
2 |
6 |
16 |
101 |
361 |
11 |
| VCDI |
0 |
0 |
1 |
1 |
18 |
177 |
2907 |
3248 |
|
Date: 2019-10-18:
| 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 |
21228 |
6572 |
733 |
413 |
293 |
169 |
87 |
0 |
| OW |
0 |
119 |
164 |
114 |
83 |
38 |
62 |
0 |
| VODI |
0 |
2 |
54 |
65 |
137 |
85 |
114 |
0 |
| ODI |
0 |
0 |
22 |
31 |
37 |
82 |
170 |
0 |
| CDI |
0 |
0 |
0 |
7 |
18 |
67 |
323 |
23 |
| VCDI |
0 |
0 |
0 |
2 |
21 |
164 |
2645 |
4015 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21228 |
6662 |
812 |
456 |
328 |
215 |
219 |
0 |
| OW |
0 |
29 |
59 |
62 |
110 |
42 |
102 |
0 |
| VODI |
0 |
2 |
75 |
63 |
74 |
65 |
157 |
0 |
| ODI |
0 |
0 |
24 |
37 |
31 |
50 |
193 |
0 |
| CDI |
0 |
0 |
3 |
8 |
26 |
73 |
395 |
15 |
| VCDI |
0 |
0 |
0 |
6 |
20 |
160 |
2335 |
4023 |
|
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