Validation of sea ice concentration - Full domain
Bulletin date: 2023-02-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-10:
| 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 |
73311 |
12699 |
103 |
450 |
71 |
0 |
0 |
0 |
| OW |
63 |
679 |
50 |
327 |
148 |
3 |
0 |
0 |
| VODI |
2 |
496 |
40 |
344 |
345 |
12 |
0 |
0 |
| ODI |
0 |
247 |
17 |
268 |
474 |
42 |
0 |
0 |
| CDI |
0 |
204 |
23 |
180 |
716 |
472 |
23 |
0 |
| VCDI |
0 |
937 |
68 |
715 |
2237 |
8596 |
20310 |
62376 |
|
...date precedes bulletin
|
Date: 2023-02-12:
| 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 |
72124 |
13641 |
121 |
498 |
130 |
3 |
0 |
0 |
| OW |
59 |
632 |
40 |
324 |
165 |
7 |
0 |
0 |
| VODI |
0 |
478 |
50 |
285 |
389 |
24 |
0 |
0 |
| ODI |
0 |
267 |
21 |
240 |
423 |
67 |
4 |
0 |
| CDI |
0 |
202 |
16 |
187 |
597 |
302 |
85 |
0 |
| VCDI |
0 |
994 |
83 |
855 |
2040 |
7289 |
20409 |
63997 |
|
...date precedes bulletin
|
Date: 2023-02-14:
| 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 |
71276 |
14482 |
125 |
507 |
169 |
2 |
0 |
0 |
| OW |
52 |
596 |
55 |
349 |
181 |
4 |
0 |
0 |
| VODI |
0 |
304 |
52 |
361 |
468 |
25 |
0 |
0 |
| ODI |
0 |
160 |
15 |
235 |
579 |
74 |
0 |
0 |
| CDI |
0 |
133 |
12 |
188 |
674 |
593 |
123 |
4 |
| VCDI |
0 |
280 |
42 |
433 |
1582 |
5800 |
24083 |
63030 |
|
...date precedes bulletin
|
Date: 2023-02-16:
| 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 |
71687 |
13773 |
126 |
519 |
189 |
1 |
0 |
0 |
| OW |
51 |
607 |
46 |
335 |
152 |
4 |
0 |
0 |
| VODI |
0 |
381 |
57 |
364 |
430 |
5 |
0 |
0 |
| ODI |
0 |
184 |
17 |
292 |
516 |
58 |
0 |
0 |
| CDI |
0 |
142 |
26 |
220 |
740 |
547 |
74 |
53 |
| VCDI |
0 |
358 |
47 |
638 |
2208 |
6229 |
20221 |
65751 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71687 |
13823 |
131 |
552 |
192 |
1 |
0 |
0 |
| OW |
51 |
588 |
41 |
295 |
156 |
3 |
0 |
0 |
| VODI |
0 |
362 |
59 |
360 |
420 |
6 |
0 |
0 |
| ODI |
0 |
172 |
20 |
306 |
511 |
44 |
0 |
0 |
| CDI |
0 |
140 |
20 |
187 |
755 |
568 |
64 |
56 |
| VCDI |
0 |
360 |
48 |
668 |
2201 |
6222 |
20231 |
65748 |
|
Date: 2023-02-18:
| 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 |
71808 |
13499 |
117 |
475 |
166 |
4 |
0 |
0 |
| OW |
52 |
647 |
39 |
357 |
122 |
8 |
0 |
0 |
| VODI |
0 |
417 |
63 |
453 |
352 |
17 |
0 |
0 |
| ODI |
0 |
222 |
31 |
338 |
559 |
55 |
0 |
0 |
| CDI |
0 |
148 |
25 |
267 |
674 |
459 |
18 |
2 |
| VCDI |
0 |
541 |
55 |
771 |
2562 |
6539 |
20188 |
64998 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71789 |
13466 |
119 |
526 |
198 |
5 |
0 |
0 |
| OW |
71 |
673 |
35 |
308 |
120 |
9 |
0 |
0 |
| VODI |
0 |
412 |
60 |
437 |
342 |
15 |
0 |
0 |
| ODI |
0 |
214 |
37 |
341 |
543 |
60 |
0 |
0 |
| CDI |
0 |
141 |
22 |
275 |
717 |
514 |
27 |
0 |
| VCDI |
0 |
568 |
57 |
774 |
2515 |
6479 |
20179 |
65000 |
|
Date: 2023-02-20:
| 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 |
70896 |
14125 |
137 |
447 |
183 |
10 |
0 |
0 |
| OW |
61 |
447 |
70 |
485 |
164 |
10 |
0 |
0 |
| VODI |
0 |
303 |
47 |
656 |
456 |
23 |
0 |
0 |
| ODI |
0 |
89 |
32 |
389 |
950 |
57 |
0 |
0 |
| CDI |
0 |
94 |
9 |
142 |
1185 |
562 |
50 |
12 |
| VCDI |
0 |
130 |
20 |
302 |
1458 |
7198 |
24682 |
61167 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70857 |
13769 |
139 |
526 |
262 |
16 |
0 |
0 |
| OW |
100 |
536 |
49 |
340 |
211 |
18 |
0 |
0 |
| VODI |
0 |
327 |
44 |
465 |
446 |
33 |
0 |
0 |
| ODI |
0 |
202 |
21 |
359 |
517 |
103 |
1 |
0 |
| CDI |
0 |
106 |
28 |
267 |
935 |
536 |
109 |
15 |
| VCDI |
0 |
248 |
34 |
464 |
2025 |
7154 |
24622 |
61164 |
|
Date: 2023-02-22:
| 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 |
70546 |
14323 |
166 |
476 |
102 |
14 |
0 |
0 |
| OW |
55 |
459 |
66 |
449 |
157 |
6 |
0 |
0 |
| VODI |
0 |
250 |
35 |
544 |
470 |
12 |
0 |
0 |
| ODI |
0 |
119 |
22 |
281 |
737 |
90 |
19 |
0 |
| CDI |
0 |
94 |
14 |
147 |
1007 |
494 |
80 |
9 |
| VCDI |
0 |
78 |
13 |
192 |
1821 |
6674 |
23217 |
63810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70487 |
13987 |
158 |
551 |
264 |
17 |
0 |
0 |
| OW |
95 |
532 |
52 |
362 |
169 |
16 |
0 |
0 |
| VODI |
19 |
305 |
45 |
414 |
411 |
66 |
2 |
0 |
| ODI |
0 |
162 |
18 |
284 |
577 |
222 |
24 |
0 |
| CDI |
0 |
153 |
19 |
194 |
903 |
658 |
134 |
2 |
| VCDI |
0 |
184 |
24 |
284 |
1970 |
6311 |
23156 |
63817 |
|
Date: 2023-02-24:
| 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 |
70829 |
14087 |
103 |
381 |
149 |
10 |
0 |
0 |
| OW |
52 |
594 |
65 |
292 |
160 |
2 |
0 |
0 |
| VODI |
0 |
371 |
58 |
419 |
293 |
27 |
26 |
0 |
| ODI |
0 |
146 |
33 |
389 |
390 |
81 |
18 |
0 |
| CDI |
0 |
107 |
19 |
271 |
729 |
622 |
134 |
14 |
| VCDI |
0 |
198 |
22 |
293 |
2272 |
8214 |
29042 |
56136 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70717 |
13589 |
82 |
387 |
287 |
11 |
0 |
0 |
| OW |
124 |
711 |
60 |
258 |
207 |
17 |
0 |
0 |
| VODI |
40 |
465 |
61 |
340 |
321 |
58 |
23 |
0 |
| ODI |
0 |
244 |
26 |
316 |
343 |
162 |
20 |
0 |
| CDI |
0 |
183 |
24 |
257 |
535 |
668 |
160 |
31 |
| VCDI |
0 |
311 |
47 |
487 |
2300 |
8040 |
29017 |
56119 |
|
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