Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-30:
| 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 |
78524 |
10892 |
94 |
463 |
251 |
333 |
0 |
0 |
| OW |
82 |
916 |
50 |
227 |
129 |
97 |
0 |
0 |
| VODI |
0 |
585 |
50 |
391 |
346 |
104 |
0 |
0 |
| ODI |
0 |
247 |
20 |
373 |
572 |
218 |
3 |
0 |
| CDI |
0 |
134 |
15 |
221 |
925 |
689 |
124 |
15 |
| VCDI |
0 |
185 |
29 |
330 |
1653 |
7215 |
24368 |
56178 |
|
...date precedes bulletin
|
Date: 2023-01-01:
| 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 |
78364 |
10598 |
98 |
418 |
269 |
285 |
19 |
0 |
| OW |
116 |
1045 |
39 |
231 |
157 |
101 |
0 |
0 |
| VODI |
5 |
764 |
41 |
308 |
330 |
130 |
3 |
0 |
| ODI |
0 |
412 |
16 |
214 |
486 |
189 |
13 |
0 |
| CDI |
0 |
289 |
17 |
188 |
806 |
671 |
101 |
21 |
| VCDI |
0 |
408 |
59 |
523 |
2100 |
6448 |
21523 |
59243 |
|
...date precedes bulletin
|
Date: 2023-01-03:
| 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 |
78211 |
10974 |
94 |
408 |
190 |
133 |
0 |
0 |
| OW |
138 |
699 |
33 |
208 |
211 |
38 |
25 |
0 |
| VODI |
0 |
603 |
23 |
228 |
372 |
67 |
50 |
0 |
| ODI |
0 |
431 |
26 |
183 |
404 |
191 |
21 |
0 |
| CDI |
0 |
215 |
33 |
275 |
536 |
824 |
62 |
15 |
| VCDI |
0 |
224 |
30 |
518 |
1673 |
5606 |
23121 |
59955 |
|
...date precedes bulletin
|
Date: 2023-01-05:
| 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 |
76965 |
11736 |
77 |
339 |
183 |
146 |
0 |
0 |
| OW |
72 |
843 |
55 |
203 |
130 |
32 |
8 |
0 |
| VODI |
0 |
565 |
48 |
340 |
304 |
100 |
57 |
0 |
| ODI |
0 |
297 |
17 |
326 |
343 |
174 |
28 |
0 |
| CDI |
0 |
243 |
20 |
382 |
533 |
565 |
116 |
15 |
| VCDI |
0 |
232 |
24 |
393 |
1545 |
6083 |
22824 |
60685 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76966 |
11834 |
79 |
355 |
174 |
154 |
0 |
0 |
| OW |
71 |
739 |
56 |
188 |
142 |
38 |
9 |
0 |
| VODI |
0 |
558 |
45 |
309 |
304 |
93 |
63 |
0 |
| ODI |
0 |
297 |
17 |
344 |
342 |
178 |
21 |
0 |
| CDI |
0 |
234 |
18 |
352 |
542 |
602 |
119 |
15 |
| VCDI |
0 |
254 |
26 |
435 |
1534 |
6035 |
22821 |
60685 |
|
Date: 2023-01-07:
| 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 |
76611 |
11799 |
99 |
370 |
164 |
121 |
0 |
0 |
| OW |
79 |
726 |
54 |
286 |
119 |
24 |
2 |
0 |
| VODI |
0 |
462 |
47 |
398 |
278 |
138 |
40 |
0 |
| ODI |
0 |
266 |
26 |
276 |
230 |
276 |
58 |
1 |
| CDI |
0 |
180 |
17 |
412 |
560 |
409 |
143 |
22 |
| VCDI |
0 |
144 |
17 |
392 |
1502 |
5009 |
19612 |
65679 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76608 |
11918 |
94 |
383 |
184 |
129 |
0 |
0 |
| OW |
82 |
629 |
58 |
295 |
119 |
27 |
4 |
0 |
| VODI |
0 |
402 |
48 |
363 |
232 |
133 |
49 |
0 |
| ODI |
0 |
266 |
25 |
269 |
239 |
252 |
50 |
0 |
| CDI |
0 |
210 |
19 |
408 |
544 |
449 |
170 |
21 |
| VCDI |
0 |
152 |
16 |
416 |
1535 |
4987 |
19582 |
65681 |
|
Date: 2023-01-09:
| 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 |
76373 |
12641 |
83 |
244 |
144 |
99 |
11 |
0 |
| OW |
71 |
626 |
78 |
342 |
63 |
15 |
13 |
0 |
| VODI |
0 |
365 |
58 |
645 |
230 |
29 |
12 |
0 |
| ODI |
0 |
147 |
14 |
297 |
485 |
63 |
17 |
0 |
| CDI |
0 |
104 |
14 |
337 |
727 |
590 |
53 |
7 |
| VCDI |
0 |
65 |
8 |
128 |
1118 |
4392 |
18437 |
67903 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76372 |
11755 |
76 |
276 |
216 |
121 |
36 |
0 |
| OW |
72 |
955 |
58 |
244 |
85 |
37 |
11 |
0 |
| VODI |
0 |
510 |
44 |
386 |
152 |
92 |
50 |
0 |
| ODI |
0 |
309 |
29 |
253 |
167 |
157 |
113 |
0 |
| CDI |
0 |
214 |
27 |
375 |
400 |
313 |
197 |
25 |
| VCDI |
0 |
205 |
21 |
459 |
1747 |
4468 |
18136 |
67885 |
|
Date: 2023-01-11:
| 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 |
76701 |
12078 |
90 |
236 |
147 |
74 |
16 |
0 |
| OW |
74 |
791 |
61 |
243 |
58 |
13 |
16 |
0 |
| VODI |
0 |
557 |
47 |
416 |
192 |
26 |
11 |
0 |
| ODI |
0 |
205 |
30 |
281 |
348 |
41 |
13 |
0 |
| CDI |
0 |
150 |
17 |
235 |
447 |
257 |
68 |
21 |
| VCDI |
0 |
159 |
20 |
403 |
1415 |
5398 |
21133 |
64560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76699 |
11332 |
74 |
250 |
203 |
91 |
47 |
0 |
| OW |
76 |
1122 |
54 |
233 |
58 |
30 |
11 |
0 |
| VODI |
0 |
638 |
45 |
310 |
213 |
79 |
46 |
0 |
| ODI |
0 |
300 |
25 |
253 |
207 |
137 |
69 |
0 |
| CDI |
0 |
249 |
27 |
211 |
432 |
318 |
116 |
11 |
| VCDI |
0 |
299 |
40 |
557 |
1494 |
5154 |
20968 |
64570 |
|
Date: 2023-01-13:
| 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 |
76206 |
11785 |
105 |
287 |
164 |
64 |
0 |
0 |
| OW |
75 |
885 |
44 |
277 |
108 |
33 |
4 |
0 |
| VODI |
0 |
716 |
43 |
349 |
221 |
33 |
7 |
0 |
| ODI |
0 |
265 |
30 |
310 |
295 |
64 |
8 |
0 |
| CDI |
0 |
141 |
18 |
269 |
452 |
283 |
72 |
7 |
| VCDI |
0 |
211 |
27 |
429 |
1704 |
5900 |
25787 |
59370 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76205 |
11324 |
93 |
357 |
232 |
121 |
20 |
0 |
| OW |
75 |
1146 |
44 |
249 |
113 |
44 |
3 |
0 |
| VODI |
1 |
752 |
46 |
346 |
272 |
95 |
20 |
0 |
| ODI |
0 |
284 |
13 |
217 |
258 |
97 |
88 |
0 |
| CDI |
0 |
185 |
21 |
196 |
379 |
281 |
168 |
95 |
| VCDI |
0 |
312 |
50 |
556 |
1690 |
5739 |
25579 |
59282 |
|
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