Validation of sea ice concentration - Full domain
Bulletin date: 2023-02-09
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-03:
| 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 |
71837 |
14291 |
141 |
468 |
161 |
8 |
0 |
0 |
| OW |
60 |
467 |
54 |
264 |
271 |
14 |
0 |
0 |
| VODI |
0 |
287 |
33 |
329 |
399 |
42 |
0 |
0 |
| ODI |
0 |
138 |
25 |
193 |
430 |
108 |
0 |
0 |
| CDI |
0 |
119 |
13 |
158 |
551 |
488 |
83 |
9 |
| VCDI |
0 |
117 |
18 |
303 |
1284 |
5258 |
22933 |
65694 |
|
...date precedes bulletin
|
Date: 2023-02-05:
| 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 |
72192 |
13938 |
129 |
503 |
195 |
21 |
0 |
0 |
| OW |
60 |
579 |
57 |
310 |
155 |
20 |
0 |
0 |
| VODI |
0 |
330 |
37 |
381 |
316 |
74 |
2 |
0 |
| ODI |
0 |
176 |
25 |
230 |
356 |
153 |
7 |
0 |
| CDI |
0 |
102 |
21 |
162 |
472 |
464 |
108 |
5 |
| VCDI |
0 |
53 |
10 |
229 |
1057 |
5904 |
21021 |
67194 |
|
...date precedes bulletin
|
Date: 2023-02-07:
| 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 |
72260 |
14072 |
128 |
539 |
171 |
0 |
0 |
0 |
| OW |
77 |
532 |
68 |
387 |
155 |
1 |
0 |
0 |
| VODI |
0 |
289 |
37 |
416 |
394 |
7 |
0 |
0 |
| ODI |
0 |
136 |
25 |
209 |
548 |
53 |
0 |
0 |
| CDI |
0 |
78 |
16 |
176 |
634 |
522 |
28 |
44 |
| VCDI |
0 |
158 |
27 |
396 |
1486 |
7230 |
18489 |
67260 |
|
...date precedes bulletin
|
Date: 2023-02-09:
| 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 |
73374 |
12624 |
104 |
514 |
115 |
0 |
0 |
0 |
| OW |
72 |
667 |
46 |
315 |
159 |
0 |
0 |
0 |
| VODI |
2 |
469 |
45 |
336 |
370 |
6 |
0 |
0 |
| ODI |
0 |
224 |
20 |
261 |
465 |
83 |
0 |
0 |
| CDI |
0 |
189 |
16 |
198 |
746 |
514 |
82 |
0 |
| VCDI |
0 |
686 |
61 |
642 |
2027 |
8656 |
19844 |
63116 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73374 |
12683 |
105 |
522 |
118 |
0 |
0 |
0 |
| OW |
72 |
638 |
45 |
312 |
158 |
0 |
0 |
0 |
| VODI |
2 |
439 |
50 |
338 |
362 |
9 |
0 |
0 |
| ODI |
0 |
211 |
14 |
263 |
472 |
72 |
0 |
0 |
| CDI |
0 |
187 |
17 |
196 |
739 |
509 |
76 |
0 |
| VCDI |
0 |
701 |
61 |
635 |
2033 |
8669 |
19850 |
63116 |
|
Date: 2023-02-11:
| 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 |
73375 |
12567 |
115 |
474 |
111 |
2 |
0 |
0 |
| OW |
75 |
612 |
36 |
305 |
188 |
4 |
0 |
0 |
| VODI |
7 |
501 |
47 |
306 |
358 |
24 |
0 |
0 |
| ODI |
0 |
247 |
25 |
257 |
392 |
61 |
0 |
0 |
| CDI |
0 |
242 |
20 |
192 |
623 |
393 |
44 |
0 |
| VCDI |
0 |
1063 |
72 |
731 |
1971 |
8081 |
21414 |
62113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73364 |
12602 |
112 |
483 |
121 |
1 |
0 |
0 |
| OW |
86 |
594 |
42 |
294 |
174 |
5 |
0 |
0 |
| VODI |
7 |
484 |
51 |
346 |
351 |
25 |
0 |
0 |
| ODI |
0 |
239 |
22 |
251 |
402 |
77 |
0 |
0 |
| CDI |
0 |
239 |
15 |
169 |
585 |
369 |
62 |
0 |
| VCDI |
0 |
1074 |
73 |
722 |
2010 |
8088 |
21396 |
62113 |
|
Date: 2023-02-13:
| 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 |
71399 |
14461 |
118 |
501 |
119 |
0 |
0 |
0 |
| OW |
51 |
641 |
67 |
374 |
147 |
4 |
0 |
0 |
| VODI |
0 |
311 |
56 |
495 |
422 |
12 |
0 |
0 |
| ODI |
0 |
161 |
18 |
364 |
704 |
49 |
0 |
0 |
| CDI |
0 |
141 |
20 |
216 |
788 |
428 |
92 |
15 |
| VCDI |
0 |
409 |
48 |
549 |
1523 |
6604 |
21243 |
64498 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71387 |
14093 |
134 |
570 |
161 |
1 |
0 |
0 |
| OW |
63 |
531 |
41 |
319 |
178 |
6 |
0 |
0 |
| VODI |
0 |
417 |
32 |
348 |
373 |
24 |
0 |
0 |
| ODI |
0 |
229 |
20 |
228 |
503 |
98 |
0 |
0 |
| CDI |
0 |
197 |
17 |
164 |
559 |
290 |
110 |
0 |
| VCDI |
0 |
657 |
83 |
870 |
1929 |
6678 |
21225 |
64513 |
|
Date: 2023-02-15:
| 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 |
71339 |
14315 |
123 |
499 |
150 |
0 |
0 |
0 |
| OW |
59 |
648 |
58 |
366 |
169 |
0 |
0 |
0 |
| VODI |
0 |
331 |
59 |
421 |
404 |
12 |
0 |
0 |
| ODI |
0 |
163 |
24 |
235 |
531 |
77 |
0 |
0 |
| CDI |
0 |
128 |
15 |
194 |
685 |
574 |
78 |
68 |
| VCDI |
0 |
306 |
47 |
498 |
1645 |
5395 |
19941 |
67491 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71339 |
13920 |
128 |
532 |
198 |
0 |
0 |
0 |
| OW |
59 |
587 |
36 |
277 |
194 |
3 |
0 |
0 |
| VODI |
0 |
434 |
42 |
287 |
334 |
22 |
0 |
0 |
| ODI |
0 |
219 |
31 |
203 |
432 |
150 |
5 |
0 |
| CDI |
0 |
214 |
14 |
168 |
500 |
573 |
87 |
58 |
| VCDI |
0 |
517 |
75 |
746 |
1926 |
5310 |
19927 |
67501 |
|
Date: 2023-02-17:
| 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 |
71719 |
13716 |
129 |
495 |
166 |
4 |
0 |
0 |
| OW |
53 |
599 |
48 |
360 |
134 |
4 |
0 |
0 |
| VODI |
0 |
356 |
50 |
489 |
367 |
9 |
0 |
0 |
| ODI |
0 |
187 |
26 |
339 |
537 |
58 |
0 |
0 |
| CDI |
0 |
135 |
23 |
227 |
721 |
430 |
74 |
16 |
| VCDI |
0 |
539 |
59 |
743 |
2172 |
5718 |
18413 |
67933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71704 |
13364 |
133 |
561 |
214 |
4 |
0 |
0 |
| OW |
67 |
582 |
38 |
314 |
173 |
3 |
0 |
0 |
| VODI |
1 |
426 |
34 |
319 |
342 |
30 |
0 |
0 |
| ODI |
0 |
276 |
20 |
272 |
401 |
84 |
1 |
0 |
| CDI |
0 |
196 |
29 |
283 |
648 |
486 |
114 |
28 |
| VCDI |
0 |
688 |
81 |
904 |
2319 |
5616 |
18372 |
67921 |
|
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