Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-22
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-16:
| 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 |
63567 |
17392 |
323 |
318 |
21 |
0 |
0 |
0 |
| OW |
33 |
1649 |
412 |
751 |
183 |
7 |
0 |
0 |
| VODI |
0 |
661 |
239 |
1015 |
558 |
63 |
0 |
0 |
| ODI |
0 |
209 |
130 |
566 |
747 |
302 |
6 |
0 |
| CDI |
0 |
154 |
45 |
671 |
1343 |
1791 |
678 |
6 |
| VCDI |
0 |
272 |
105 |
448 |
1161 |
6704 |
23897 |
68316 |
|
...date precedes bulletin
|
Date: 2024-02-18:
| 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 |
63147 |
17255 |
322 |
305 |
11 |
0 |
0 |
0 |
| OW |
29 |
1629 |
442 |
668 |
210 |
2 |
0 |
0 |
| VODI |
6 |
616 |
294 |
1245 |
476 |
62 |
0 |
0 |
| ODI |
1 |
190 |
98 |
734 |
877 |
197 |
6 |
0 |
| CDI |
0 |
106 |
49 |
500 |
1764 |
2182 |
298 |
1 |
| VCDI |
0 |
281 |
86 |
460 |
1359 |
7768 |
23419 |
67648 |
|
...date precedes bulletin
|
Date: 2024-02-20:
| 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 |
62990 |
17917 |
369 |
381 |
35 |
0 |
0 |
0 |
| OW |
12 |
1491 |
521 |
845 |
197 |
6 |
0 |
0 |
| VODI |
0 |
337 |
197 |
1452 |
545 |
43 |
0 |
0 |
| ODI |
0 |
72 |
33 |
441 |
1172 |
303 |
6 |
0 |
| CDI |
0 |
22 |
29 |
317 |
1853 |
3077 |
374 |
10 |
| VCDI |
0 |
1 |
7 |
101 |
1267 |
8264 |
25034 |
65022 |
|
...date precedes bulletin
|
Date: 2024-02-22:
| 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 |
63902 |
17062 |
248 |
341 |
54 |
2 |
0 |
0 |
| OW |
52 |
1486 |
384 |
800 |
160 |
10 |
0 |
0 |
| VODI |
0 |
426 |
217 |
1059 |
491 |
62 |
3 |
0 |
| ODI |
0 |
87 |
80 |
609 |
902 |
309 |
20 |
0 |
| CDI |
0 |
37 |
30 |
344 |
1660 |
2677 |
844 |
29 |
| VCDI |
0 |
26 |
16 |
233 |
1458 |
7332 |
25709 |
65582 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63909 |
17192 |
252 |
321 |
58 |
1 |
0 |
0 |
| OW |
38 |
1350 |
376 |
819 |
148 |
9 |
0 |
0 |
| VODI |
7 |
440 |
224 |
1048 |
454 |
56 |
3 |
0 |
| ODI |
0 |
79 |
78 |
620 |
914 |
320 |
19 |
0 |
| CDI |
0 |
38 |
29 |
351 |
1677 |
2718 |
871 |
38 |
| VCDI |
0 |
25 |
16 |
227 |
1474 |
7288 |
25683 |
65573 |
|
Date: 2024-02-24:
| 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 |
64687 |
16387 |
225 |
346 |
33 |
0 |
0 |
0 |
| OW |
40 |
1669 |
319 |
597 |
117 |
12 |
0 |
0 |
| VODI |
3 |
650 |
291 |
810 |
390 |
112 |
3 |
0 |
| ODI |
2 |
141 |
170 |
767 |
727 |
284 |
12 |
0 |
| CDI |
0 |
60 |
46 |
668 |
1456 |
1938 |
456 |
0 |
| VCDI |
0 |
53 |
30 |
292 |
1551 |
6984 |
25756 |
66659 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64684 |
16494 |
232 |
329 |
34 |
0 |
0 |
0 |
| OW |
42 |
1567 |
321 |
612 |
118 |
10 |
0 |
0 |
| VODI |
4 |
652 |
297 |
780 |
386 |
120 |
3 |
0 |
| ODI |
1 |
134 |
164 |
793 |
731 |
282 |
10 |
0 |
| CDI |
1 |
63 |
37 |
679 |
1393 |
1780 |
387 |
0 |
| VCDI |
0 |
50 |
30 |
287 |
1612 |
7138 |
25827 |
66659 |
|
Date: 2024-02-26:
| 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 |
64069 |
17371 |
311 |
439 |
53 |
0 |
0 |
0 |
| OW |
34 |
1529 |
488 |
691 |
193 |
7 |
0 |
0 |
| VODI |
4 |
205 |
168 |
1228 |
588 |
73 |
0 |
0 |
| ODI |
1 |
94 |
36 |
419 |
1101 |
253 |
0 |
0 |
| CDI |
0 |
116 |
50 |
376 |
1391 |
3337 |
529 |
0 |
| VCDI |
0 |
9 |
17 |
173 |
944 |
6923 |
26433 |
65090 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64078 |
16692 |
323 |
458 |
63 |
3 |
0 |
0 |
| OW |
14 |
1444 |
280 |
585 |
206 |
43 |
0 |
0 |
| VODI |
13 |
612 |
216 |
796 |
497 |
121 |
0 |
0 |
| ODI |
3 |
235 |
110 |
576 |
753 |
409 |
1 |
0 |
| CDI |
0 |
182 |
82 |
547 |
1554 |
2587 |
1127 |
12 |
| VCDI |
0 |
159 |
59 |
364 |
1197 |
7430 |
25834 |
65078 |
|
Date: 2024-02-28:
| 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 |
63842 |
16901 |
338 |
510 |
27 |
0 |
0 |
0 |
| OW |
9 |
1333 |
368 |
866 |
305 |
20 |
0 |
0 |
| VODI |
0 |
332 |
216 |
847 |
720 |
133 |
0 |
0 |
| ODI |
0 |
145 |
27 |
559 |
751 |
511 |
3 |
0 |
| CDI |
0 |
158 |
48 |
425 |
1510 |
2568 |
892 |
16 |
| VCDI |
0 |
40 |
18 |
229 |
1011 |
7463 |
29756 |
61846 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63825 |
16219 |
321 |
581 |
64 |
3 |
0 |
0 |
| OW |
26 |
1243 |
267 |
693 |
289 |
36 |
0 |
0 |
| VODI |
0 |
700 |
159 |
608 |
734 |
241 |
1 |
0 |
| ODI |
0 |
301 |
140 |
530 |
545 |
622 |
19 |
0 |
| CDI |
0 |
306 |
98 |
639 |
1411 |
2360 |
1144 |
21 |
| VCDI |
0 |
140 |
30 |
385 |
1281 |
7433 |
29487 |
61841 |
|
Date: 2024-03-01:
| 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 |
63279 |
17453 |
248 |
378 |
24 |
0 |
0 |
0 |
| OW |
0 |
1419 |
261 |
834 |
270 |
3 |
0 |
0 |
| VODI |
0 |
521 |
252 |
835 |
702 |
154 |
0 |
0 |
| ODI |
0 |
165 |
79 |
649 |
966 |
387 |
0 |
0 |
| CDI |
0 |
188 |
80 |
582 |
1644 |
1979 |
561 |
2 |
| VCDI |
0 |
81 |
46 |
294 |
1424 |
9301 |
28731 |
60951 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63279 |
16364 |
205 |
390 |
72 |
0 |
0 |
0 |
| OW |
0 |
1658 |
166 |
635 |
305 |
8 |
0 |
0 |
| VODI |
0 |
850 |
248 |
733 |
714 |
310 |
0 |
0 |
| ODI |
0 |
391 |
133 |
607 |
861 |
470 |
4 |
0 |
| CDI |
0 |
315 |
109 |
725 |
1485 |
1808 |
627 |
1 |
| VCDI |
0 |
249 |
105 |
482 |
1593 |
9228 |
28661 |
60952 |
|
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