Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-18
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-12:
| 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 |
69620 |
15141 |
317 |
266 |
22 |
0 |
0 |
0 |
| OW |
12 |
1481 |
309 |
631 |
93 |
1 |
0 |
0 |
| VODI |
0 |
516 |
211 |
952 |
551 |
52 |
0 |
0 |
| ODI |
0 |
150 |
88 |
402 |
952 |
338 |
0 |
0 |
| CDI |
0 |
47 |
50 |
384 |
1161 |
2165 |
386 |
42 |
| VCDI |
0 |
10 |
2 |
102 |
1730 |
7488 |
26728 |
62343 |
|
...date precedes bulletin
|
Date: 2024-01-14:
| 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 |
69549 |
14588 |
217 |
208 |
22 |
0 |
0 |
0 |
| OW |
22 |
1687 |
387 |
527 |
161 |
8 |
0 |
0 |
| VODI |
9 |
604 |
267 |
1150 |
427 |
75 |
0 |
0 |
| ODI |
0 |
155 |
64 |
640 |
769 |
264 |
2 |
0 |
| CDI |
0 |
65 |
71 |
435 |
1335 |
1719 |
348 |
10 |
| VCDI |
0 |
10 |
16 |
298 |
2265 |
9910 |
26191 |
60268 |
|
...date precedes bulletin
|
Date: 2024-01-16:
| 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 |
69506 |
15055 |
220 |
296 |
19 |
0 |
0 |
0 |
| OW |
13 |
1766 |
508 |
701 |
113 |
0 |
0 |
0 |
| VODI |
4 |
235 |
170 |
1332 |
411 |
14 |
0 |
0 |
| ODI |
0 |
41 |
44 |
526 |
765 |
149 |
1 |
0 |
| CDI |
0 |
40 |
9 |
374 |
1355 |
2027 |
331 |
2 |
| VCDI |
0 |
24 |
25 |
193 |
1752 |
10014 |
26726 |
59982 |
|
...date precedes bulletin
|
Date: 2024-01-18:
| 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 |
70032 |
14376 |
278 |
255 |
23 |
0 |
0 |
0 |
| OW |
32 |
1999 |
324 |
471 |
117 |
1 |
0 |
0 |
| VODI |
14 |
652 |
294 |
831 |
325 |
28 |
0 |
0 |
| ODI |
7 |
189 |
111 |
561 |
433 |
180 |
8 |
0 |
| CDI |
9 |
54 |
38 |
519 |
1094 |
1132 |
347 |
5 |
| VCDI |
4 |
17 |
30 |
243 |
1931 |
9923 |
24033 |
63823 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70030 |
14351 |
282 |
285 |
32 |
0 |
0 |
0 |
| OW |
32 |
2008 |
326 |
461 |
117 |
2 |
0 |
0 |
| VODI |
16 |
658 |
296 |
857 |
300 |
40 |
0 |
0 |
| ODI |
7 |
196 |
108 |
529 |
493 |
145 |
12 |
0 |
| CDI |
12 |
57 |
33 |
518 |
1133 |
1168 |
297 |
4 |
| VCDI |
1 |
17 |
30 |
230 |
1848 |
9909 |
24079 |
63824 |
|
Date: 2024-01-20:
| 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 |
68819 |
15369 |
329 |
190 |
24 |
0 |
0 |
0 |
| OW |
6 |
1747 |
307 |
592 |
78 |
7 |
0 |
0 |
| VODI |
4 |
556 |
246 |
918 |
351 |
39 |
0 |
0 |
| ODI |
0 |
238 |
92 |
519 |
481 |
177 |
35 |
0 |
| CDI |
1 |
78 |
93 |
507 |
940 |
1396 |
481 |
74 |
| VCDI |
0 |
2 |
7 |
160 |
1320 |
8261 |
28152 |
62147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68819 |
15306 |
348 |
236 |
30 |
0 |
0 |
0 |
| OW |
6 |
1774 |
294 |
601 |
80 |
13 |
0 |
0 |
| VODI |
4 |
587 |
239 |
882 |
362 |
28 |
0 |
0 |
| ODI |
0 |
243 |
92 |
511 |
471 |
166 |
45 |
0 |
| CDI |
1 |
80 |
97 |
531 |
946 |
1382 |
474 |
110 |
| VCDI |
0 |
0 |
4 |
125 |
1305 |
8291 |
28149 |
62111 |
|
Date: 2024-01-22:
| 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 |
66988 |
16735 |
289 |
244 |
13 |
0 |
0 |
0 |
| OW |
13 |
1414 |
576 |
716 |
58 |
0 |
0 |
0 |
| VODI |
0 |
194 |
169 |
1378 |
405 |
13 |
0 |
0 |
| ODI |
0 |
39 |
27 |
552 |
909 |
92 |
0 |
0 |
| CDI |
0 |
22 |
32 |
324 |
1230 |
1998 |
224 |
13 |
| VCDI |
0 |
0 |
3 |
36 |
677 |
6178 |
26023 |
67159 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67001 |
16112 |
311 |
402 |
38 |
0 |
0 |
0 |
| OW |
0 |
1463 |
369 |
671 |
146 |
6 |
0 |
0 |
| VODI |
0 |
448 |
228 |
973 |
453 |
38 |
0 |
0 |
| ODI |
0 |
215 |
79 |
518 |
611 |
208 |
6 |
0 |
| CDI |
0 |
115 |
75 |
552 |
1110 |
1524 |
646 |
72 |
| VCDI |
0 |
51 |
34 |
134 |
934 |
6505 |
25595 |
67100 |
|
Date: 2024-01-24:
| 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 |
66828 |
16074 |
224 |
238 |
32 |
0 |
0 |
0 |
| OW |
10 |
1451 |
411 |
582 |
107 |
0 |
0 |
0 |
| VODI |
0 |
399 |
276 |
1118 |
502 |
12 |
0 |
0 |
| ODI |
0 |
105 |
82 |
700 |
916 |
110 |
1 |
0 |
| CDI |
0 |
62 |
32 |
333 |
1440 |
1847 |
365 |
36 |
| VCDI |
0 |
37 |
45 |
218 |
907 |
6043 |
23633 |
69567 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66837 |
15183 |
247 |
296 |
61 |
0 |
0 |
0 |
| OW |
1 |
1660 |
279 |
578 |
153 |
0 |
0 |
0 |
| VODI |
0 |
662 |
262 |
934 |
507 |
32 |
0 |
0 |
| ODI |
0 |
347 |
103 |
562 |
792 |
187 |
3 |
0 |
| CDI |
0 |
196 |
123 |
587 |
1479 |
1562 |
459 |
123 |
| VCDI |
0 |
80 |
56 |
232 |
912 |
6231 |
23537 |
69480 |
|
Date: 2024-01-26:
| 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 |
66750 |
15440 |
252 |
199 |
3 |
0 |
0 |
0 |
| OW |
3 |
1302 |
389 |
648 |
120 |
3 |
0 |
0 |
| VODI |
0 |
581 |
227 |
1230 |
441 |
57 |
0 |
0 |
| ODI |
0 |
248 |
108 |
608 |
935 |
159 |
0 |
0 |
| CDI |
0 |
209 |
95 |
384 |
1481 |
1679 |
286 |
82 |
| VCDI |
0 |
138 |
101 |
437 |
1045 |
6981 |
26120 |
66002 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66745 |
14837 |
329 |
331 |
6 |
0 |
0 |
0 |
| OW |
8 |
1285 |
321 |
814 |
175 |
2 |
0 |
0 |
| VODI |
0 |
719 |
149 |
899 |
590 |
88 |
0 |
0 |
| ODI |
0 |
450 |
101 |
499 |
744 |
283 |
23 |
1 |
| CDI |
0 |
437 |
177 |
556 |
1312 |
1337 |
528 |
182 |
| VCDI |
0 |
190 |
95 |
407 |
1198 |
7169 |
25855 |
65901 |
|
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