Validation of sea ice concentration - Full domain
Bulletin date: 2024-11-28
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-22:
| 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 |
102207 |
10188 |
345 |
510 |
81 |
13 |
0 |
0 |
| OW |
152 |
857 |
332 |
908 |
347 |
18 |
0 |
0 |
| VODI |
47 |
218 |
203 |
904 |
656 |
89 |
0 |
0 |
| ODI |
4 |
94 |
28 |
486 |
904 |
485 |
0 |
0 |
| CDI |
0 |
18 |
6 |
184 |
1357 |
2007 |
348 |
30 |
| VCDI |
0 |
3 |
0 |
21 |
525 |
7134 |
25432 |
37602 |
|
...date precedes bulletin
|
Date: 2024-11-24:
| 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 |
101043 |
10584 |
320 |
331 |
52 |
0 |
0 |
0 |
| OW |
150 |
963 |
364 |
886 |
429 |
49 |
0 |
0 |
| VODI |
36 |
241 |
197 |
949 |
621 |
211 |
0 |
0 |
| ODI |
1 |
77 |
55 |
505 |
750 |
571 |
2 |
0 |
| CDI |
0 |
18 |
4 |
214 |
1048 |
1866 |
211 |
3 |
| VCDI |
0 |
16 |
0 |
20 |
274 |
5449 |
21106 |
45127 |
|
...date precedes bulletin
|
Date: 2024-11-26:
| 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 |
97393 |
13070 |
393 |
404 |
9 |
3 |
0 |
0 |
| OW |
87 |
856 |
354 |
787 |
185 |
1 |
0 |
0 |
| VODI |
23 |
130 |
141 |
1146 |
936 |
115 |
0 |
0 |
| ODI |
2 |
8 |
7 |
338 |
1303 |
378 |
13 |
0 |
| CDI |
0 |
1 |
2 |
92 |
942 |
2783 |
193 |
14 |
| VCDI |
0 |
17 |
0 |
26 |
277 |
5111 |
22677 |
44526 |
|
...date precedes bulletin
|
Date: 2024-11-28:
| 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 |
95537 |
12942 |
412 |
442 |
10 |
0 |
0 |
0 |
| OW |
318 |
1085 |
307 |
1043 |
198 |
4 |
0 |
0 |
| VODI |
57 |
218 |
132 |
935 |
987 |
103 |
0 |
0 |
| ODI |
9 |
11 |
13 |
320 |
1148 |
713 |
17 |
3 |
| CDI |
1 |
2 |
4 |
127 |
1044 |
2893 |
437 |
22 |
| VCDI |
0 |
16 |
0 |
11 |
341 |
5231 |
23904 |
43746 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95513 |
13015 |
450 |
500 |
30 |
0 |
0 |
0 |
| OW |
340 |
1011 |
285 |
964 |
178 |
4 |
0 |
0 |
| VODI |
59 |
215 |
110 |
955 |
938 |
110 |
0 |
0 |
| ODI |
8 |
15 |
20 |
315 |
1127 |
657 |
15 |
3 |
| CDI |
2 |
2 |
3 |
130 |
1086 |
2907 |
528 |
25 |
| VCDI |
0 |
16 |
0 |
14 |
369 |
5266 |
23815 |
43743 |
|
Date: 2024-11-30:
| 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 |
94452 |
12980 |
345 |
446 |
5 |
0 |
0 |
0 |
| OW |
240 |
1443 |
389 |
714 |
189 |
16 |
0 |
0 |
| VODI |
36 |
302 |
235 |
1045 |
703 |
170 |
14 |
0 |
| ODI |
2 |
40 |
16 |
488 |
776 |
586 |
91 |
3 |
| CDI |
1 |
12 |
2 |
235 |
1192 |
2168 |
257 |
29 |
| VCDI |
0 |
17 |
1 |
14 |
443 |
5518 |
23799 |
45329 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94463 |
13100 |
380 |
523 |
25 |
0 |
0 |
0 |
| OW |
231 |
1340 |
370 |
644 |
184 |
11 |
0 |
0 |
| VODI |
34 |
279 |
214 |
1033 |
660 |
130 |
17 |
0 |
| ODI |
1 |
45 |
20 |
490 |
806 |
582 |
91 |
3 |
| CDI |
1 |
13 |
2 |
237 |
1178 |
2193 |
249 |
29 |
| VCDI |
1 |
17 |
2 |
15 |
455 |
5542 |
23804 |
45329 |
|
Date: 2024-12-02:
| 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 |
91541 |
14709 |
383 |
415 |
15 |
0 |
0 |
0 |
| OW |
45 |
1335 |
605 |
838 |
116 |
0 |
0 |
0 |
| VODI |
4 |
87 |
120 |
1763 |
580 |
25 |
1 |
0 |
| ODI |
0 |
8 |
2 |
445 |
1538 |
270 |
30 |
0 |
| CDI |
0 |
5 |
1 |
75 |
1201 |
3775 |
229 |
1 |
| VCDI |
0 |
17 |
0 |
7 |
192 |
5080 |
19482 |
49803 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91477 |
14101 |
446 |
661 |
84 |
1 |
0 |
0 |
| OW |
105 |
1591 |
387 |
866 |
295 |
29 |
0 |
0 |
| VODI |
8 |
376 |
235 |
1114 |
633 |
111 |
46 |
0 |
| ODI |
0 |
59 |
37 |
634 |
870 |
494 |
102 |
0 |
| CDI |
0 |
15 |
6 |
247 |
1263 |
2364 |
246 |
2 |
| VCDI |
0 |
19 |
0 |
21 |
497 |
6151 |
19348 |
49802 |
|
Date: 2024-12-04:
| 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 |
90774 |
13216 |
353 |
403 |
74 |
0 |
0 |
0 |
| OW |
93 |
1887 |
464 |
887 |
323 |
19 |
0 |
0 |
| VODI |
11 |
263 |
276 |
1417 |
802 |
149 |
0 |
0 |
| ODI |
0 |
12 |
18 |
600 |
1313 |
327 |
8 |
0 |
| CDI |
0 |
4 |
0 |
180 |
1490 |
2853 |
592 |
1 |
| VCDI |
0 |
15 |
0 |
12 |
355 |
4927 |
22407 |
48218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90663 |
12850 |
324 |
427 |
117 |
8 |
0 |
0 |
| OW |
178 |
1824 |
428 |
833 |
443 |
45 |
0 |
0 |
| VODI |
36 |
648 |
269 |
1211 |
849 |
183 |
69 |
0 |
| ODI |
1 |
52 |
80 |
664 |
984 |
496 |
86 |
0 |
| CDI |
0 |
6 |
10 |
328 |
1494 |
2358 |
408 |
2 |
| VCDI |
0 |
17 |
0 |
36 |
470 |
5185 |
22444 |
48217 |
|
Date: 2024-12-06:
| 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 |
89010 |
13264 |
335 |
476 |
177 |
0 |
0 |
0 |
| OW |
135 |
1742 |
391 |
754 |
255 |
33 |
0 |
0 |
| VODI |
16 |
576 |
284 |
1346 |
808 |
280 |
0 |
0 |
| ODI |
0 |
27 |
43 |
595 |
1049 |
862 |
52 |
0 |
| CDI |
0 |
0 |
4 |
211 |
1173 |
2296 |
806 |
31 |
| VCDI |
0 |
0 |
0 |
40 |
425 |
4831 |
22466 |
49950 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88861 |
12858 |
324 |
477 |
180 |
11 |
0 |
0 |
| OW |
225 |
1706 |
396 |
752 |
414 |
130 |
6 |
0 |
| VODI |
61 |
878 |
208 |
1146 |
805 |
544 |
61 |
0 |
| ODI |
13 |
151 |
96 |
609 |
804 |
720 |
102 |
2 |
| CDI |
1 |
16 |
33 |
358 |
1163 |
2025 |
859 |
23 |
| VCDI |
0 |
0 |
0 |
80 |
521 |
4872 |
22296 |
49956 |
|
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