Validation of sea ice concentration - European sector
Bulletin date: 2023-12-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: :
| 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 |
78350 |
10813 |
467 |
684 |
268 |
222 |
115 |
0 |
| OW |
56 |
277 |
95 |
459 |
170 |
30 |
17 |
0 |
| VODI |
0 |
109 |
79 |
405 |
342 |
107 |
26 |
0 |
| ODI |
0 |
31 |
45 |
181 |
344 |
121 |
10 |
0 |
| CDI |
0 |
13 |
14 |
157 |
487 |
231 |
47 |
0 |
| VCDI |
0 |
18 |
11 |
122 |
529 |
3313 |
5781 |
4554 |
|
...date precedes bulletin
|
Date: :
| 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 |
78383 |
10591 |
417 |
584 |
259 |
253 |
178 |
0 |
| OW |
61 |
408 |
99 |
388 |
106 |
37 |
21 |
0 |
| VODI |
0 |
180 |
84 |
408 |
304 |
96 |
19 |
0 |
| ODI |
0 |
64 |
51 |
160 |
353 |
94 |
15 |
0 |
| CDI |
0 |
37 |
34 |
146 |
309 |
307 |
28 |
0 |
| VCDI |
0 |
22 |
33 |
200 |
648 |
3361 |
6231 |
4131 |
|
...date precedes bulletin
|
Date: :
| 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 |
76489 |
12079 |
496 |
733 |
218 |
250 |
166 |
0 |
| OW |
61 |
221 |
110 |
474 |
88 |
45 |
7 |
0 |
| VODI |
0 |
98 |
72 |
443 |
319 |
61 |
7 |
0 |
| ODI |
0 |
25 |
33 |
196 |
444 |
61 |
7 |
0 |
| CDI |
0 |
7 |
22 |
185 |
468 |
444 |
39 |
0 |
| VCDI |
0 |
2 |
5 |
95 |
594 |
3287 |
5991 |
4758 |
|
...date precedes bulletin
|
Date: :
| 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 |
76224 |
11517 |
567 |
706 |
220 |
208 |
219 |
0 |
| OW |
62 |
189 |
101 |
441 |
155 |
49 |
20 |
0 |
| VODI |
0 |
90 |
66 |
335 |
408 |
71 |
16 |
0 |
| ODI |
0 |
28 |
40 |
158 |
433 |
57 |
9 |
0 |
| CDI |
0 |
10 |
41 |
123 |
400 |
312 |
46 |
0 |
| VCDI |
0 |
0 |
6 |
229 |
760 |
4331 |
6040 |
4413 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76224 |
11526 |
568 |
730 |
231 |
220 |
224 |
0 |
| OW |
62 |
179 |
100 |
425 |
162 |
42 |
17 |
0 |
| VODI |
0 |
89 |
63 |
325 |
436 |
70 |
15 |
0 |
| ODI |
0 |
29 |
37 |
156 |
443 |
77 |
10 |
0 |
| CDI |
0 |
11 |
42 |
125 |
376 |
301 |
45 |
0 |
| VCDI |
0 |
0 |
11 |
231 |
728 |
4318 |
6039 |
4413 |
|
Date: :
| 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 |
75315 |
12051 |
526 |
723 |
257 |
195 |
139 |
0 |
| OW |
66 |
233 |
96 |
364 |
170 |
37 |
15 |
0 |
| VODI |
0 |
137 |
42 |
334 |
323 |
86 |
13 |
0 |
| ODI |
0 |
73 |
31 |
154 |
334 |
90 |
9 |
0 |
| CDI |
0 |
44 |
32 |
92 |
379 |
262 |
24 |
0 |
| VCDI |
0 |
35 |
44 |
250 |
749 |
4192 |
6452 |
4732 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75308 |
12084 |
550 |
744 |
275 |
202 |
136 |
0 |
| OW |
73 |
207 |
71 |
373 |
158 |
39 |
18 |
0 |
| VODI |
0 |
129 |
41 |
313 |
353 |
82 |
13 |
0 |
| ODI |
0 |
67 |
32 |
150 |
359 |
97 |
9 |
0 |
| CDI |
0 |
48 |
29 |
87 |
370 |
278 |
25 |
0 |
| VCDI |
0 |
38 |
48 |
250 |
697 |
4164 |
6451 |
4732 |
|
Date: :
| 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 |
76156 |
11542 |
456 |
547 |
209 |
207 |
92 |
0 |
| OW |
64 |
179 |
119 |
405 |
100 |
17 |
7 |
0 |
| VODI |
0 |
99 |
48 |
380 |
286 |
38 |
16 |
0 |
| ODI |
0 |
44 |
30 |
154 |
412 |
87 |
29 |
0 |
| CDI |
0 |
28 |
43 |
148 |
412 |
513 |
33 |
0 |
| VCDI |
0 |
0 |
5 |
99 |
450 |
3730 |
6559 |
5357 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76149 |
11176 |
439 |
592 |
277 |
243 |
113 |
0 |
| OW |
71 |
305 |
85 |
315 |
109 |
36 |
24 |
0 |
| VODI |
0 |
193 |
58 |
322 |
239 |
111 |
31 |
0 |
| ODI |
0 |
81 |
28 |
163 |
322 |
129 |
12 |
0 |
| CDI |
0 |
74 |
19 |
106 |
292 |
246 |
15 |
0 |
| VCDI |
0 |
63 |
72 |
235 |
630 |
3827 |
6541 |
5357 |
|
Date: :
| 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 |
76123 |
11637 |
364 |
444 |
170 |
136 |
137 |
0 |
| OW |
68 |
366 |
181 |
269 |
59 |
8 |
23 |
0 |
| VODI |
0 |
190 |
124 |
392 |
136 |
15 |
15 |
0 |
| ODI |
0 |
49 |
40 |
307 |
234 |
22 |
20 |
0 |
| CDI |
0 |
11 |
39 |
217 |
378 |
136 |
33 |
0 |
| VCDI |
0 |
1 |
9 |
215 |
1059 |
4323 |
6330 |
4820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76102 |
11195 |
298 |
434 |
229 |
152 |
191 |
0 |
| OW |
89 |
518 |
124 |
175 |
62 |
25 |
17 |
0 |
| VODI |
0 |
376 |
153 |
286 |
103 |
84 |
18 |
0 |
| ODI |
0 |
113 |
95 |
330 |
202 |
42 |
11 |
0 |
| CDI |
0 |
44 |
54 |
281 |
281 |
76 |
12 |
0 |
| VCDI |
0 |
8 |
33 |
338 |
1159 |
4261 |
6309 |
4820 |
|
Date: :
| 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 |
75669 |
11801 |
341 |
449 |
151 |
114 |
183 |
0 |
| OW |
75 |
481 |
126 |
257 |
76 |
7 |
33 |
0 |
| VODI |
0 |
278 |
94 |
335 |
153 |
29 |
23 |
0 |
| ODI |
0 |
99 |
52 |
239 |
232 |
44 |
22 |
0 |
| CDI |
0 |
69 |
21 |
178 |
415 |
110 |
79 |
0 |
| VCDI |
0 |
20 |
51 |
259 |
989 |
3973 |
7457 |
4116 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75639 |
11317 |
274 |
412 |
198 |
127 |
243 |
0 |
| OW |
104 |
557 |
113 |
179 |
58 |
37 |
35 |
0 |
| VODI |
1 |
466 |
116 |
283 |
103 |
63 |
57 |
0 |
| ODI |
0 |
198 |
67 |
266 |
190 |
45 |
37 |
0 |
| CDI |
0 |
157 |
45 |
238 |
336 |
92 |
62 |
2 |
| VCDI |
0 |
53 |
70 |
339 |
1131 |
3913 |
7363 |
4114 |
|
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