Validation of sea ice concentration
Bulletin date: 2018-11-29
Model vs. observations, sea ice class contingency tables
Date: 2018-11-23:
| 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 |
17918 |
6264 |
888 |
611 |
201 |
105 |
60 |
0 |
| OW |
0 |
81 |
102 |
149 |
114 |
87 |
5 |
0 |
| VODI |
0 |
28 |
66 |
147 |
125 |
203 |
63 |
0 |
| ODI |
0 |
10 |
36 |
102 |
92 |
147 |
251 |
1 |
| CDI |
0 |
0 |
0 |
76 |
108 |
175 |
446 |
79 |
| VCDI |
0 |
0 |
0 |
45 |
119 |
388 |
5272 |
3595 |
|
...date precedes bulletin
|
Date: 2018-11-27:
| 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 |
16107 |
7344 |
998 |
774 |
217 |
201 |
41 |
0 |
| OW |
0 |
48 |
64 |
121 |
100 |
109 |
38 |
0 |
| VODI |
0 |
20 |
36 |
90 |
118 |
147 |
94 |
0 |
| ODI |
0 |
3 |
17 |
52 |
71 |
203 |
193 |
2 |
| CDI |
0 |
0 |
1 |
20 |
45 |
251 |
578 |
63 |
| VCDI |
0 |
274 |
10 |
20 |
35 |
394 |
7019 |
2241 |
|
...date precedes bulletin
|
Date: 2018-11-29:
| 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 |
16441 |
7661 |
505 |
445 |
240 |
123 |
46 |
0 |
| OW |
0 |
78 |
101 |
112 |
131 |
90 |
30 |
0 |
| VODI |
0 |
21 |
46 |
69 |
124 |
150 |
57 |
0 |
| ODI |
0 |
7 |
29 |
45 |
100 |
127 |
132 |
0 |
| CDI |
0 |
0 |
31 |
32 |
66 |
197 |
343 |
50 |
| VCDI |
0 |
0 |
10 |
22 |
59 |
503 |
6392 |
3544 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16441 |
7664 |
512 |
457 |
251 |
134 |
51 |
0 |
| OW |
0 |
72 |
96 |
100 |
132 |
78 |
29 |
0 |
| VODI |
0 |
24 |
46 |
77 |
128 |
151 |
58 |
0 |
| ODI |
0 |
7 |
43 |
39 |
89 |
146 |
134 |
0 |
| CDI |
0 |
0 |
18 |
34 |
62 |
187 |
363 |
53 |
| VCDI |
0 |
0 |
7 |
18 |
58 |
494 |
6365 |
3541 |
|
Date: 2018-12-03:
| 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 |
17058 |
7319 |
742 |
327 |
88 |
86 |
44 |
0 |
| OW |
0 |
74 |
170 |
162 |
67 |
28 |
33 |
0 |
| VODI |
0 |
38 |
113 |
202 |
90 |
60 |
81 |
0 |
| ODI |
0 |
5 |
59 |
142 |
107 |
79 |
111 |
9 |
| CDI |
0 |
0 |
60 |
130 |
130 |
179 |
288 |
53 |
| VCDI |
0 |
0 |
14 |
113 |
201 |
696 |
5439 |
3562 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17058 |
7191 |
648 |
271 |
72 |
104 |
75 |
0 |
| OW |
0 |
144 |
138 |
149 |
46 |
18 |
43 |
0 |
| VODI |
0 |
82 |
139 |
133 |
69 |
35 |
46 |
0 |
| ODI |
0 |
18 |
86 |
103 |
65 |
53 |
84 |
12 |
| CDI |
0 |
1 |
82 |
132 |
117 |
112 |
214 |
62 |
| VCDI |
0 |
0 |
65 |
288 |
314 |
806 |
5534 |
3550 |
|
Date: 2018-12-05:
| 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 |
17004 |
7336 |
752 |
294 |
132 |
96 |
87 |
0 |
| OW |
0 |
147 |
159 |
106 |
47 |
24 |
35 |
0 |
| VODI |
0 |
89 |
144 |
134 |
94 |
59 |
92 |
0 |
| ODI |
0 |
34 |
73 |
91 |
114 |
90 |
128 |
3 |
| CDI |
0 |
23 |
109 |
78 |
133 |
155 |
351 |
10 |
| VCDI |
0 |
0 |
74 |
130 |
257 |
657 |
5629 |
3189 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17004 |
7190 |
682 |
279 |
102 |
90 |
133 |
0 |
| OW |
0 |
218 |
120 |
89 |
34 |
15 |
52 |
0 |
| VODI |
0 |
140 |
166 |
93 |
79 |
44 |
68 |
0 |
| ODI |
0 |
51 |
124 |
93 |
78 |
64 |
93 |
0 |
| CDI |
0 |
17 |
72 |
84 |
130 |
119 |
238 |
5 |
| VCDI |
0 |
13 |
147 |
195 |
354 |
749 |
5738 |
3197 |
|
Date: 2018-12-07:
| 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 |
16819 |
7486 |
821 |
226 |
37 |
47 |
119 |
0 |
| OW |
0 |
187 |
154 |
138 |
40 |
11 |
26 |
0 |
| VODI |
0 |
182 |
186 |
163 |
139 |
51 |
46 |
0 |
| ODI |
0 |
75 |
85 |
125 |
116 |
60 |
134 |
1 |
| CDI |
0 |
63 |
70 |
105 |
143 |
143 |
312 |
11 |
| VCDI |
0 |
36 |
125 |
233 |
243 |
354 |
5374 |
3473 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16819 |
7360 |
732 |
206 |
44 |
64 |
144 |
0 |
| OW |
0 |
283 |
125 |
93 |
27 |
9 |
45 |
0 |
| VODI |
0 |
199 |
189 |
116 |
87 |
22 |
53 |
0 |
| ODI |
0 |
59 |
121 |
117 |
91 |
56 |
103 |
1 |
| CDI |
0 |
59 |
74 |
113 |
135 |
127 |
253 |
11 |
| VCDI |
0 |
69 |
200 |
345 |
334 |
388 |
5413 |
3473 |
|
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