Validation of sea ice concentration - Full domain
Bulletin date: 2023-04-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-04-07:
| 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 |
66381 |
16374 |
710 |
1130 |
353 |
36 |
0 |
0 |
| OW |
52 |
141 |
107 |
481 |
305 |
86 |
0 |
0 |
| VODI |
0 |
36 |
54 |
382 |
499 |
169 |
6 |
0 |
| ODI |
0 |
4 |
2 |
196 |
453 |
259 |
34 |
0 |
| CDI |
0 |
1 |
0 |
121 |
531 |
586 |
245 |
37 |
| VCDI |
0 |
1 |
4 |
84 |
582 |
4778 |
20247 |
71581 |
|
...date precedes bulletin
|
Date: 2023-04-09:
| 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 |
66438 |
16165 |
664 |
1330 |
480 |
39 |
0 |
0 |
| OW |
52 |
173 |
117 |
432 |
315 |
80 |
0 |
0 |
| VODI |
0 |
57 |
70 |
353 |
445 |
184 |
5 |
0 |
| ODI |
0 |
28 |
11 |
207 |
443 |
267 |
65 |
6 |
| CDI |
0 |
24 |
17 |
100 |
601 |
666 |
370 |
83 |
| VCDI |
0 |
7 |
10 |
65 |
527 |
5635 |
23116 |
67401 |
|
...date precedes bulletin
|
Date: 2023-04-11:
| 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 |
66635 |
16199 |
714 |
1330 |
308 |
18 |
0 |
0 |
| OW |
52 |
136 |
71 |
517 |
322 |
49 |
0 |
0 |
| VODI |
0 |
59 |
46 |
289 |
653 |
136 |
5 |
0 |
| ODI |
0 |
33 |
23 |
155 |
578 |
337 |
20 |
0 |
| CDI |
0 |
23 |
5 |
69 |
540 |
1609 |
429 |
48 |
| VCDI |
0 |
18 |
7 |
54 |
409 |
5994 |
21160 |
67998 |
|
...date precedes bulletin
|
Date: 2023-04-13:
| 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 |
67017 |
16141 |
694 |
1258 |
326 |
38 |
1 |
0 |
| OW |
52 |
164 |
95 |
476 |
347 |
80 |
7 |
0 |
| VODI |
0 |
29 |
65 |
362 |
549 |
173 |
21 |
0 |
| ODI |
0 |
12 |
13 |
207 |
490 |
282 |
40 |
0 |
| CDI |
0 |
17 |
7 |
131 |
541 |
1226 |
522 |
48 |
| VCDI |
0 |
0 |
4 |
27 |
382 |
5650 |
21737 |
67817 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67017 |
16183 |
707 |
1293 |
360 |
48 |
3 |
0 |
| OW |
52 |
119 |
88 |
463 |
317 |
74 |
5 |
0 |
| VODI |
0 |
33 |
58 |
354 |
546 |
181 |
21 |
0 |
| ODI |
0 |
12 |
13 |
196 |
473 |
288 |
39 |
0 |
| CDI |
0 |
16 |
7 |
125 |
549 |
1140 |
497 |
52 |
| VCDI |
0 |
0 |
5 |
30 |
390 |
5718 |
21763 |
67813 |
|
Date: 2023-04-15:
| 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 |
67198 |
16203 |
664 |
1271 |
352 |
38 |
1 |
0 |
| OW |
52 |
166 |
102 |
441 |
349 |
97 |
10 |
0 |
| VODI |
0 |
81 |
69 |
400 |
438 |
191 |
12 |
0 |
| ODI |
0 |
34 |
28 |
168 |
504 |
261 |
37 |
0 |
| CDI |
0 |
16 |
16 |
112 |
562 |
1184 |
534 |
28 |
| VCDI |
0 |
8 |
1 |
37 |
444 |
5815 |
16368 |
72756 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67198 |
16252 |
695 |
1311 |
396 |
69 |
2 |
0 |
| OW |
52 |
120 |
84 |
421 |
327 |
81 |
9 |
0 |
| VODI |
0 |
74 |
57 |
387 |
434 |
185 |
14 |
0 |
| ODI |
0 |
36 |
25 |
156 |
495 |
250 |
34 |
0 |
| CDI |
0 |
19 |
17 |
117 |
554 |
1311 |
532 |
30 |
| VCDI |
0 |
7 |
2 |
37 |
443 |
5690 |
16371 |
72754 |
|
Date: 2023-04-17:
| 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 |
67588 |
15878 |
724 |
1239 |
273 |
21 |
0 |
0 |
| OW |
52 |
156 |
123 |
643 |
295 |
32 |
6 |
0 |
| VODI |
0 |
74 |
39 |
435 |
663 |
57 |
10 |
0 |
| ODI |
0 |
9 |
14 |
124 |
732 |
279 |
29 |
0 |
| CDI |
0 |
3 |
2 |
54 |
644 |
1843 |
248 |
29 |
| VCDI |
0 |
19 |
0 |
19 |
698 |
5334 |
17024 |
71636 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67588 |
15853 |
724 |
1408 |
419 |
62 |
11 |
0 |
| OW |
52 |
141 |
79 |
458 |
290 |
46 |
10 |
0 |
| VODI |
0 |
83 |
60 |
327 |
532 |
101 |
21 |
0 |
| ODI |
0 |
38 |
25 |
145 |
535 |
286 |
44 |
0 |
| CDI |
0 |
21 |
13 |
109 |
640 |
1222 |
430 |
25 |
| VCDI |
0 |
3 |
1 |
67 |
889 |
5849 |
16801 |
71640 |
|
Date: 2023-04-19:
| 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 |
67913 |
15935 |
732 |
1377 |
240 |
23 |
11 |
0 |
| OW |
51 |
155 |
101 |
528 |
364 |
16 |
5 |
0 |
| VODI |
0 |
40 |
35 |
358 |
636 |
79 |
0 |
0 |
| ODI |
0 |
9 |
11 |
141 |
693 |
270 |
2 |
0 |
| CDI |
0 |
13 |
0 |
102 |
819 |
1347 |
351 |
26 |
| VCDI |
0 |
14 |
0 |
34 |
1010 |
5815 |
18761 |
69031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67913 |
15853 |
694 |
1397 |
361 |
32 |
14 |
0 |
| OW |
51 |
151 |
88 |
381 |
346 |
34 |
2 |
0 |
| VODI |
0 |
98 |
62 |
332 |
537 |
134 |
0 |
0 |
| ODI |
0 |
40 |
23 |
188 |
573 |
339 |
18 |
1 |
| CDI |
0 |
20 |
12 |
171 |
722 |
1058 |
475 |
25 |
| VCDI |
0 |
4 |
0 |
71 |
1223 |
5953 |
18621 |
69031 |
|
Date: 2023-04-21:
| 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 |
67654 |
16036 |
690 |
1267 |
356 |
34 |
21 |
0 |
| OW |
60 |
243 |
81 |
461 |
417 |
32 |
4 |
0 |
| VODI |
0 |
116 |
50 |
301 |
605 |
145 |
3 |
0 |
| ODI |
0 |
21 |
24 |
141 |
618 |
394 |
40 |
0 |
| CDI |
0 |
13 |
2 |
149 |
715 |
1189 |
701 |
31 |
| VCDI |
0 |
8 |
0 |
39 |
1121 |
6399 |
24166 |
62701 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67654 |
15974 |
620 |
1240 |
526 |
65 |
24 |
0 |
| OW |
60 |
207 |
110 |
348 |
383 |
67 |
3 |
0 |
| VODI |
0 |
143 |
47 |
314 |
521 |
222 |
22 |
0 |
| ODI |
0 |
84 |
39 |
158 |
537 |
317 |
106 |
1 |
| CDI |
0 |
26 |
27 |
192 |
707 |
1052 |
610 |
90 |
| VCDI |
0 |
3 |
4 |
106 |
1158 |
6470 |
24170 |
62641 |
|
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