Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-10:
| 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 |
103390 |
10881 |
502 |
576 |
42 |
0 |
0 |
0 |
| OW |
174 |
843 |
409 |
1264 |
235 |
48 |
0 |
0 |
| VODI |
25 |
178 |
164 |
1215 |
751 |
141 |
1 |
0 |
| ODI |
0 |
52 |
21 |
552 |
902 |
319 |
0 |
0 |
| CDI |
0 |
20 |
8 |
149 |
930 |
1501 |
302 |
1 |
| VCDI |
0 |
0 |
0 |
51 |
582 |
5337 |
24544 |
38633 |
|
...date precedes bulletin
|
Date: 2023-11-12:
| 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 |
101812 |
11043 |
319 |
480 |
29 |
0 |
0 |
0 |
| OW |
113 |
1045 |
358 |
1055 |
383 |
40 |
0 |
0 |
| VODI |
19 |
395 |
158 |
1167 |
955 |
109 |
4 |
0 |
| ODI |
0 |
78 |
24 |
504 |
1120 |
350 |
0 |
0 |
| CDI |
0 |
20 |
3 |
210 |
1042 |
1546 |
86 |
26 |
| VCDI |
0 |
1 |
1 |
97 |
528 |
5342 |
25111 |
39170 |
|
...date precedes bulletin
|
Date: 2023-11-14:
| 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 |
99694 |
12759 |
363 |
583 |
27 |
0 |
0 |
0 |
| OW |
92 |
864 |
424 |
963 |
187 |
3 |
0 |
0 |
| VODI |
17 |
141 |
134 |
1424 |
910 |
42 |
0 |
0 |
| ODI |
0 |
14 |
10 |
442 |
1661 |
221 |
0 |
0 |
| CDI |
0 |
1 |
2 |
98 |
1291 |
1870 |
94 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
597 |
6982 |
25887 |
36920 |
|
...date precedes bulletin
|
Date: 2023-11-16:
| 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 |
97494 |
13211 |
370 |
780 |
284 |
0 |
0 |
0 |
| OW |
120 |
458 |
301 |
923 |
647 |
43 |
0 |
0 |
| VODI |
9 |
104 |
72 |
767 |
1190 |
79 |
0 |
0 |
| ODI |
0 |
11 |
20 |
225 |
1563 |
469 |
0 |
0 |
| CDI |
0 |
0 |
3 |
113 |
1162 |
2495 |
160 |
9 |
| VCDI |
0 |
0 |
0 |
102 |
570 |
5562 |
24269 |
41158 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97507 |
13192 |
379 |
791 |
329 |
0 |
0 |
0 |
| OW |
108 |
473 |
291 |
908 |
609 |
44 |
0 |
0 |
| VODI |
8 |
107 |
67 |
750 |
1128 |
93 |
3 |
0 |
| ODI |
0 |
11 |
26 |
232 |
1574 |
489 |
22 |
0 |
| CDI |
0 |
1 |
2 |
123 |
1193 |
2500 |
159 |
12 |
| VCDI |
0 |
0 |
1 |
106 |
583 |
5522 |
24245 |
41155 |
|
Date: 2023-11-18:
| 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 |
96790 |
12802 |
408 |
453 |
109 |
0 |
0 |
0 |
| OW |
270 |
667 |
334 |
867 |
436 |
58 |
0 |
0 |
| VODI |
71 |
130 |
74 |
1008 |
870 |
304 |
2 |
0 |
| ODI |
2 |
17 |
9 |
372 |
1080 |
466 |
19 |
0 |
| CDI |
0 |
3 |
4 |
187 |
1262 |
2144 |
247 |
6 |
| VCDI |
0 |
1 |
0 |
97 |
514 |
4211 |
24652 |
43797 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96823 |
12817 |
433 |
502 |
101 |
0 |
0 |
0 |
| OW |
244 |
644 |
308 |
841 |
444 |
79 |
0 |
0 |
| VODI |
63 |
140 |
72 |
958 |
848 |
262 |
0 |
0 |
| ODI |
3 |
15 |
14 |
397 |
1115 |
422 |
36 |
1 |
| CDI |
0 |
4 |
2 |
181 |
1244 |
2151 |
314 |
5 |
| VCDI |
0 |
0 |
0 |
105 |
519 |
4269 |
24570 |
43797 |
|
Date: 2023-11-20:
| 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 |
95465 |
13317 |
371 |
499 |
132 |
0 |
0 |
0 |
| OW |
185 |
773 |
419 |
615 |
138 |
51 |
0 |
0 |
| VODI |
27 |
56 |
69 |
1605 |
501 |
137 |
0 |
0 |
| ODI |
1 |
4 |
7 |
337 |
1738 |
258 |
0 |
0 |
| CDI |
0 |
5 |
0 |
69 |
902 |
2497 |
172 |
15 |
| VCDI |
0 |
9 |
0 |
24 |
331 |
3384 |
19767 |
50863 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95398 |
12935 |
391 |
598 |
106 |
0 |
0 |
0 |
| OW |
223 |
927 |
298 |
792 |
274 |
141 |
0 |
0 |
| VODI |
47 |
251 |
139 |
1033 |
573 |
355 |
9 |
0 |
| ODI |
8 |
31 |
28 |
459 |
882 |
523 |
60 |
1 |
| CDI |
2 |
15 |
9 |
213 |
1316 |
1889 |
387 |
19 |
| VCDI |
0 |
5 |
1 |
54 |
591 |
3419 |
19483 |
50858 |
|
Date: 2023-11-22:
| 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 |
92854 |
15219 |
439 |
670 |
183 |
0 |
0 |
0 |
| OW |
42 |
1120 |
308 |
564 |
194 |
36 |
0 |
0 |
| VODI |
10 |
356 |
332 |
960 |
557 |
138 |
3 |
0 |
| ODI |
1 |
48 |
57 |
718 |
825 |
159 |
8 |
0 |
| CDI |
0 |
11 |
17 |
316 |
1546 |
1899 |
175 |
0 |
| VCDI |
0 |
1 |
10 |
135 |
992 |
6103 |
19816 |
47921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92778 |
14707 |
450 |
704 |
191 |
0 |
0 |
0 |
| OW |
105 |
1251 |
310 |
576 |
294 |
130 |
2 |
0 |
| VODI |
16 |
615 |
212 |
897 |
578 |
157 |
7 |
0 |
| ODI |
5 |
133 |
127 |
604 |
642 |
439 |
26 |
0 |
| CDI |
2 |
37 |
40 |
399 |
1593 |
1776 |
181 |
2 |
| VCDI |
1 |
12 |
24 |
183 |
999 |
5833 |
19786 |
47919 |
|
Date: 2023-11-24:
| 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 |
93012 |
14773 |
351 |
480 |
199 |
0 |
0 |
0 |
| OW |
33 |
1378 |
289 |
597 |
208 |
37 |
0 |
0 |
| VODI |
13 |
716 |
280 |
775 |
416 |
171 |
12 |
0 |
| ODI |
1 |
221 |
188 |
568 |
412 |
259 |
2 |
0 |
| CDI |
0 |
60 |
63 |
823 |
1406 |
1506 |
81 |
0 |
| VCDI |
0 |
12 |
36 |
255 |
1023 |
6487 |
20577 |
47023 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92988 |
13966 |
331 |
568 |
229 |
0 |
0 |
0 |
| OW |
48 |
1601 |
243 |
468 |
309 |
127 |
13 |
0 |
| VODI |
15 |
937 |
266 |
794 |
390 |
308 |
3 |
0 |
| ODI |
6 |
441 |
156 |
563 |
489 |
395 |
8 |
0 |
| CDI |
2 |
156 |
144 |
734 |
1214 |
1577 |
91 |
9 |
| VCDI |
0 |
59 |
67 |
371 |
1033 |
6053 |
20557 |
47014 |
|
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