Validation of sea ice concentration - Full domain
Bulletin date: 2021-01-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-01-15:
| 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 |
74066 |
13995 |
179 |
888 |
537 |
3 |
0 |
0 |
| OW |
71 |
429 |
74 |
644 |
441 |
7 |
0 |
0 |
| VODI |
0 |
321 |
37 |
552 |
768 |
43 |
0 |
0 |
| ODI |
0 |
240 |
26 |
334 |
843 |
160 |
1 |
0 |
| CDI |
0 |
48 |
14 |
242 |
840 |
930 |
63 |
4 |
| VCDI |
0 |
2 |
1 |
144 |
1174 |
8475 |
25901 |
54551 |
|
...date precedes bulletin
|
Date: 2021-01-17:
| 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 |
73757 |
14012 |
124 |
597 |
481 |
23 |
0 |
0 |
| OW |
71 |
536 |
59 |
502 |
363 |
42 |
0 |
0 |
| VODI |
0 |
257 |
41 |
455 |
707 |
110 |
2 |
0 |
| ODI |
0 |
99 |
23 |
330 |
664 |
186 |
21 |
0 |
| CDI |
0 |
57 |
21 |
315 |
1123 |
729 |
74 |
21 |
| VCDI |
0 |
7 |
3 |
181 |
1712 |
8109 |
28451 |
52783 |
|
...date precedes bulletin
|
Date: 2021-01-19:
| 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 |
74488 |
13659 |
96 |
387 |
300 |
16 |
0 |
0 |
| OW |
71 |
753 |
88 |
335 |
168 |
17 |
0 |
0 |
| VODI |
0 |
223 |
69 |
633 |
420 |
27 |
0 |
0 |
| ODI |
0 |
66 |
22 |
334 |
527 |
152 |
3 |
0 |
| CDI |
0 |
28 |
16 |
256 |
969 |
857 |
82 |
1 |
| VCDI |
0 |
0 |
0 |
238 |
1919 |
8180 |
23137 |
58511 |
|
...date precedes bulletin
|
Date: 2021-01-21:
| 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 |
73381 |
14430 |
103 |
390 |
256 |
34 |
0 |
0 |
| OW |
73 |
794 |
67 |
384 |
139 |
64 |
0 |
0 |
| VODI |
0 |
272 |
82 |
495 |
373 |
105 |
0 |
0 |
| ODI |
0 |
47 |
24 |
384 |
367 |
186 |
8 |
0 |
| CDI |
0 |
19 |
8 |
300 |
584 |
398 |
193 |
0 |
| VCDI |
0 |
2 |
1 |
155 |
1615 |
6844 |
23288 |
61183 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73381 |
14502 |
109 |
431 |
255 |
34 |
0 |
0 |
| OW |
73 |
690 |
62 |
351 |
145 |
49 |
0 |
0 |
| VODI |
0 |
311 |
81 |
508 |
390 |
125 |
0 |
0 |
| ODI |
0 |
42 |
25 |
374 |
384 |
194 |
1 |
0 |
| CDI |
0 |
16 |
7 |
295 |
608 |
394 |
177 |
0 |
| VCDI |
0 |
3 |
1 |
149 |
1552 |
6835 |
23311 |
61183 |
|
Date: 2021-01-23:
| 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 |
73177 |
14090 |
128 |
489 |
235 |
40 |
0 |
0 |
| OW |
73 |
809 |
71 |
340 |
226 |
49 |
0 |
0 |
| VODI |
0 |
306 |
52 |
501 |
396 |
126 |
0 |
0 |
| ODI |
0 |
73 |
37 |
323 |
345 |
270 |
26 |
0 |
| CDI |
0 |
4 |
11 |
312 |
599 |
486 |
324 |
9 |
| VCDI |
0 |
0 |
0 |
169 |
1545 |
5639 |
21520 |
64248 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73177 |
14260 |
132 |
524 |
231 |
48 |
0 |
0 |
| OW |
73 |
612 |
61 |
373 |
222 |
35 |
0 |
0 |
| VODI |
0 |
328 |
59 |
458 |
447 |
149 |
1 |
0 |
| ODI |
0 |
77 |
37 |
327 |
365 |
268 |
18 |
0 |
| CDI |
0 |
5 |
10 |
283 |
602 |
478 |
308 |
8 |
| VCDI |
0 |
0 |
0 |
169 |
1479 |
5632 |
21543 |
64249 |
|
Date: 2021-01-25:
| 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 |
73663 |
14061 |
139 |
494 |
93 |
0 |
0 |
0 |
| OW |
83 |
498 |
59 |
403 |
138 |
7 |
0 |
0 |
| VODI |
6 |
268 |
49 |
502 |
425 |
28 |
0 |
0 |
| ODI |
2 |
37 |
20 |
298 |
694 |
101 |
4 |
0 |
| CDI |
0 |
6 |
4 |
157 |
776 |
615 |
45 |
49 |
| VCDI |
0 |
0 |
1 |
100 |
1193 |
5966 |
22897 |
63167 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73664 |
13728 |
141 |
539 |
154 |
9 |
0 |
0 |
| OW |
82 |
577 |
37 |
313 |
218 |
39 |
0 |
0 |
| VODI |
6 |
374 |
39 |
300 |
373 |
107 |
0 |
0 |
| ODI |
2 |
134 |
34 |
264 |
382 |
197 |
1 |
0 |
| CDI |
0 |
42 |
16 |
285 |
493 |
390 |
115 |
40 |
| VCDI |
0 |
15 |
5 |
253 |
1699 |
5975 |
22830 |
63176 |
|
Date: 2021-01-27:
| 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 |
73305 |
13854 |
135 |
525 |
159 |
10 |
0 |
0 |
| OW |
75 |
503 |
44 |
324 |
202 |
31 |
0 |
0 |
| VODI |
0 |
274 |
63 |
301 |
382 |
72 |
0 |
0 |
| ODI |
0 |
70 |
26 |
255 |
478 |
164 |
0 |
0 |
| CDI |
0 |
28 |
7 |
173 |
676 |
383 |
9 |
5 |
| VCDI |
0 |
15 |
6 |
115 |
1170 |
5552 |
20138 |
67519 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73298 |
13451 |
129 |
522 |
219 |
39 |
0 |
0 |
| OW |
82 |
657 |
34 |
309 |
218 |
77 |
0 |
0 |
| VODI |
0 |
377 |
48 |
275 |
361 |
166 |
0 |
0 |
| ODI |
0 |
142 |
34 |
210 |
345 |
172 |
0 |
0 |
| CDI |
0 |
80 |
21 |
188 |
575 |
445 |
40 |
4 |
| VCDI |
0 |
37 |
15 |
189 |
1349 |
5313 |
20107 |
67520 |
|
Date: 2021-01-29:
| 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 |
72255 |
14587 |
139 |
476 |
126 |
6 |
0 |
0 |
| OW |
76 |
649 |
50 |
316 |
177 |
22 |
0 |
0 |
| VODI |
0 |
343 |
56 |
316 |
371 |
48 |
0 |
0 |
| ODI |
0 |
122 |
28 |
254 |
364 |
93 |
0 |
0 |
| CDI |
0 |
48 |
12 |
221 |
632 |
292 |
34 |
1 |
| VCDI |
0 |
45 |
8 |
144 |
1280 |
5425 |
19315 |
68717 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72255 |
14090 |
124 |
516 |
193 |
43 |
0 |
0 |
| OW |
76 |
766 |
43 |
236 |
218 |
41 |
0 |
0 |
| VODI |
0 |
438 |
38 |
251 |
436 |
83 |
0 |
0 |
| ODI |
0 |
263 |
23 |
169 |
352 |
160 |
1 |
0 |
| CDI |
0 |
183 |
54 |
308 |
422 |
365 |
102 |
11 |
| VCDI |
0 |
54 |
11 |
247 |
1329 |
5194 |
19246 |
68707 |
|
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