Validation of sea ice concentration - Full domain
Bulletin date: 2023-02-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-17:
| 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 |
71719 |
13716 |
129 |
495 |
166 |
4 |
0 |
0 |
| OW |
53 |
599 |
48 |
360 |
134 |
4 |
0 |
0 |
| VODI |
0 |
356 |
50 |
489 |
367 |
9 |
0 |
0 |
| ODI |
0 |
187 |
26 |
339 |
537 |
58 |
0 |
0 |
| CDI |
0 |
135 |
23 |
227 |
721 |
430 |
74 |
16 |
| VCDI |
0 |
539 |
59 |
743 |
2172 |
5718 |
18413 |
67933 |
|
...date precedes bulletin
|
Date: 2023-02-19:
| 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 |
71205 |
13769 |
119 |
503 |
197 |
5 |
0 |
0 |
| OW |
73 |
575 |
53 |
384 |
170 |
11 |
0 |
0 |
| VODI |
0 |
361 |
49 |
531 |
385 |
24 |
0 |
0 |
| ODI |
0 |
196 |
30 |
328 |
579 |
59 |
0 |
0 |
| CDI |
0 |
119 |
21 |
229 |
858 |
464 |
79 |
12 |
| VCDI |
0 |
402 |
50 |
545 |
2248 |
7324 |
24187 |
60904 |
|
...date precedes bulletin
|
Date: 2023-02-21:
| 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 |
70654 |
14347 |
154 |
472 |
111 |
23 |
0 |
0 |
| OW |
60 |
453 |
68 |
451 |
165 |
7 |
0 |
0 |
| VODI |
0 |
225 |
39 |
545 |
519 |
12 |
0 |
0 |
| ODI |
0 |
103 |
21 |
388 |
752 |
85 |
0 |
0 |
| CDI |
0 |
70 |
6 |
162 |
986 |
636 |
39 |
15 |
| VCDI |
0 |
52 |
9 |
236 |
1573 |
6516 |
23562 |
63532 |
|
...date precedes bulletin
|
Date: 2023-02-23:
| 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 |
70636 |
14223 |
141 |
404 |
117 |
21 |
0 |
0 |
| OW |
52 |
524 |
68 |
425 |
117 |
9 |
0 |
0 |
| VODI |
0 |
283 |
48 |
560 |
300 |
47 |
32 |
0 |
| ODI |
0 |
147 |
25 |
338 |
583 |
61 |
17 |
0 |
| CDI |
0 |
98 |
19 |
206 |
907 |
595 |
146 |
7 |
| VCDI |
0 |
133 |
19 |
228 |
1666 |
6855 |
25720 |
61271 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70636 |
14224 |
145 |
460 |
123 |
21 |
0 |
0 |
| OW |
52 |
550 |
64 |
415 |
128 |
9 |
0 |
0 |
| VODI |
0 |
259 |
47 |
531 |
311 |
48 |
31 |
0 |
| ODI |
0 |
147 |
27 |
314 |
535 |
50 |
17 |
0 |
| CDI |
0 |
74 |
19 |
216 |
919 |
563 |
119 |
7 |
| VCDI |
0 |
154 |
18 |
225 |
1674 |
6897 |
25748 |
61271 |
|
Date: 2023-02-25:
| 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 |
70595 |
14078 |
135 |
487 |
208 |
10 |
0 |
0 |
| OW |
52 |
546 |
58 |
355 |
173 |
15 |
0 |
0 |
| VODI |
0 |
328 |
48 |
425 |
334 |
42 |
0 |
0 |
| ODI |
0 |
147 |
32 |
254 |
474 |
85 |
12 |
2 |
| CDI |
0 |
110 |
13 |
262 |
675 |
624 |
106 |
31 |
| VCDI |
0 |
282 |
22 |
304 |
2260 |
7854 |
28589 |
57021 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70595 |
14113 |
134 |
467 |
237 |
10 |
0 |
0 |
| OW |
52 |
521 |
61 |
377 |
149 |
24 |
0 |
0 |
| VODI |
0 |
327 |
47 |
420 |
295 |
54 |
0 |
0 |
| ODI |
0 |
135 |
33 |
279 |
461 |
78 |
14 |
2 |
| CDI |
0 |
107 |
11 |
228 |
728 |
590 |
114 |
37 |
| VCDI |
0 |
288 |
22 |
316 |
2254 |
7874 |
28579 |
57015 |
|
Date: 2023-02-27:
| 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 |
70893 |
13688 |
128 |
539 |
148 |
16 |
0 |
0 |
| OW |
53 |
685 |
76 |
435 |
180 |
9 |
0 |
0 |
| VODI |
0 |
381 |
40 |
465 |
447 |
19 |
0 |
0 |
| ODI |
0 |
158 |
22 |
338 |
696 |
69 |
3 |
0 |
| CDI |
0 |
135 |
4 |
126 |
959 |
820 |
60 |
2 |
| VCDI |
0 |
243 |
35 |
414 |
1784 |
7757 |
24407 |
60814 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70857 |
13419 |
109 |
505 |
217 |
15 |
0 |
0 |
| OW |
89 |
602 |
65 |
317 |
220 |
20 |
0 |
0 |
| VODI |
0 |
427 |
53 |
401 |
339 |
39 |
0 |
0 |
| ODI |
0 |
183 |
29 |
330 |
429 |
86 |
4 |
0 |
| CDI |
0 |
141 |
7 |
259 |
792 |
921 |
132 |
33 |
| VCDI |
0 |
518 |
42 |
505 |
2217 |
7609 |
24334 |
60783 |
|
Date: 2023-03-01:
| 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 |
70206 |
14028 |
140 |
634 |
204 |
26 |
6 |
0 |
| OW |
77 |
475 |
92 |
464 |
202 |
16 |
4 |
0 |
| VODI |
0 |
367 |
37 |
472 |
487 |
48 |
4 |
0 |
| ODI |
0 |
122 |
7 |
208 |
659 |
113 |
1 |
0 |
| CDI |
0 |
117 |
9 |
123 |
1389 |
683 |
72 |
32 |
| VCDI |
0 |
249 |
29 |
336 |
1606 |
6724 |
23850 |
62730 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70154 |
13895 |
139 |
552 |
253 |
49 |
6 |
0 |
| OW |
106 |
427 |
76 |
430 |
232 |
26 |
6 |
0 |
| VODI |
23 |
261 |
40 |
448 |
437 |
95 |
3 |
0 |
| ODI |
0 |
148 |
11 |
262 |
550 |
156 |
43 |
0 |
| CDI |
0 |
135 |
8 |
144 |
1240 |
813 |
81 |
67 |
| VCDI |
0 |
492 |
40 |
401 |
1835 |
6471 |
23798 |
62695 |
|
Date: 2023-03-03:
| 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 |
70275 |
14135 |
110 |
484 |
116 |
18 |
5 |
0 |
| OW |
86 |
460 |
86 |
432 |
176 |
4 |
2 |
0 |
| VODI |
0 |
274 |
38 |
502 |
404 |
31 |
1 |
0 |
| ODI |
0 |
221 |
22 |
354 |
544 |
108 |
1 |
0 |
| CDI |
0 |
120 |
8 |
246 |
897 |
1038 |
95 |
15 |
| VCDI |
0 |
168 |
29 |
300 |
1828 |
6648 |
23099 |
63668 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70232 |
13775 |
107 |
498 |
166 |
22 |
5 |
0 |
| OW |
91 |
590 |
64 |
312 |
230 |
9 |
3 |
0 |
| VODI |
38 |
360 |
45 |
440 |
355 |
70 |
0 |
0 |
| ODI |
0 |
180 |
27 |
325 |
430 |
166 |
2 |
18 |
| CDI |
0 |
122 |
14 |
371 |
806 |
988 |
73 |
62 |
| VCDI |
0 |
351 |
36 |
372 |
1978 |
6592 |
23120 |
63603 |
|
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