Validation of sea ice concentration - Full domain
Bulletin date: 2024-03-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-08:
| 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 |
65416 |
17180 |
484 |
836 |
402 |
142 |
55 |
0 |
| OW |
52 |
456 |
146 |
342 |
239 |
153 |
15 |
0 |
| VODI |
0 |
212 |
101 |
403 |
571 |
243 |
38 |
0 |
| ODI |
0 |
103 |
40 |
192 |
501 |
502 |
69 |
0 |
| CDI |
0 |
49 |
56 |
209 |
596 |
1460 |
524 |
0 |
| VCDI |
0 |
33 |
21 |
125 |
502 |
4313 |
26900 |
63367 |
|
...date precedes bulletin
|
Date: 2024-03-10:
| 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 |
64883 |
17337 |
513 |
810 |
480 |
215 |
53 |
0 |
| OW |
52 |
420 |
147 |
357 |
244 |
178 |
35 |
0 |
| VODI |
0 |
192 |
94 |
382 |
531 |
346 |
64 |
0 |
| ODI |
0 |
90 |
40 |
210 |
413 |
586 |
125 |
0 |
| CDI |
0 |
36 |
40 |
169 |
563 |
1522 |
554 |
0 |
| VCDI |
0 |
46 |
31 |
95 |
345 |
3665 |
23253 |
67932 |
|
...date precedes bulletin
|
Date: 2024-03-12:
| 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 |
65820 |
16701 |
423 |
656 |
343 |
149 |
37 |
0 |
| OW |
53 |
421 |
169 |
429 |
223 |
148 |
10 |
0 |
| VODI |
0 |
149 |
112 |
543 |
391 |
397 |
14 |
0 |
| ODI |
0 |
50 |
36 |
205 |
493 |
454 |
61 |
0 |
| CDI |
0 |
17 |
18 |
118 |
568 |
1322 |
436 |
0 |
| VCDI |
0 |
5 |
10 |
98 |
442 |
4316 |
28780 |
62431 |
|
...date precedes bulletin
|
Date: 2024-03-14:
| 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 |
65001 |
17226 |
461 |
683 |
467 |
205 |
29 |
0 |
| OW |
54 |
443 |
153 |
402 |
226 |
169 |
10 |
0 |
| VODI |
0 |
185 |
131 |
373 |
364 |
378 |
45 |
0 |
| ODI |
0 |
55 |
32 |
189 |
314 |
401 |
91 |
0 |
| CDI |
0 |
24 |
14 |
130 |
412 |
795 |
423 |
8 |
| VCDI |
0 |
17 |
11 |
68 |
578 |
4818 |
31022 |
60641 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65001 |
17256 |
489 |
770 |
496 |
217 |
29 |
0 |
| OW |
54 |
417 |
134 |
346 |
229 |
194 |
15 |
0 |
| VODI |
0 |
182 |
122 |
348 |
356 |
367 |
51 |
0 |
| ODI |
0 |
50 |
29 |
185 |
293 |
407 |
102 |
0 |
| CDI |
0 |
32 |
18 |
117 |
378 |
746 |
442 |
7 |
| VCDI |
0 |
13 |
10 |
79 |
609 |
4835 |
30981 |
60642 |
|
Date: 2024-03-16:
| 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 |
63824 |
18008 |
557 |
757 |
407 |
223 |
25 |
0 |
| OW |
53 |
444 |
155 |
426 |
246 |
144 |
33 |
0 |
| VODI |
0 |
216 |
80 |
358 |
421 |
239 |
125 |
0 |
| ODI |
0 |
78 |
46 |
148 |
339 |
347 |
130 |
0 |
| CDI |
0 |
50 |
31 |
116 |
314 |
635 |
358 |
2 |
| VCDI |
0 |
23 |
30 |
236 |
942 |
4938 |
31879 |
59665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63824 |
18087 |
584 |
861 |
445 |
251 |
33 |
0 |
| OW |
53 |
392 |
132 |
364 |
236 |
148 |
61 |
0 |
| VODI |
0 |
197 |
84 |
322 |
423 |
243 |
120 |
0 |
| ODI |
0 |
71 |
38 |
138 |
313 |
360 |
134 |
0 |
| CDI |
0 |
49 |
29 |
110 |
284 |
614 |
346 |
1 |
| VCDI |
0 |
23 |
32 |
246 |
968 |
4910 |
31856 |
59666 |
|
Date: 2024-03-18:
| 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 |
63461 |
18515 |
582 |
653 |
335 |
197 |
68 |
0 |
| OW |
56 |
387 |
183 |
408 |
184 |
96 |
30 |
0 |
| VODI |
0 |
161 |
81 |
393 |
427 |
243 |
51 |
0 |
| ODI |
0 |
48 |
47 |
159 |
351 |
390 |
149 |
0 |
| CDI |
0 |
10 |
38 |
123 |
296 |
722 |
526 |
7 |
| VCDI |
0 |
8 |
24 |
179 |
950 |
4069 |
36344 |
56097 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63462 |
18363 |
620 |
841 |
460 |
313 |
120 |
0 |
| OW |
55 |
359 |
109 |
287 |
228 |
194 |
109 |
0 |
| VODI |
0 |
243 |
67 |
275 |
319 |
312 |
174 |
0 |
| ODI |
0 |
87 |
57 |
124 |
216 |
300 |
202 |
0 |
| CDI |
0 |
43 |
42 |
120 |
237 |
462 |
373 |
9 |
| VCDI |
0 |
34 |
60 |
268 |
1083 |
4136 |
36190 |
56095 |
|
Date: 2024-03-20:
| 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 |
64975 |
17258 |
489 |
632 |
351 |
225 |
77 |
0 |
| OW |
55 |
374 |
145 |
381 |
192 |
93 |
60 |
0 |
| VODI |
0 |
187 |
79 |
289 |
332 |
281 |
102 |
0 |
| ODI |
0 |
84 |
40 |
161 |
207 |
259 |
257 |
0 |
| CDI |
0 |
63 |
37 |
117 |
307 |
516 |
574 |
4 |
| VCDI |
0 |
17 |
31 |
189 |
967 |
3680 |
34144 |
58817 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64976 |
16983 |
485 |
790 |
488 |
387 |
149 |
0 |
| OW |
54 |
408 |
97 |
220 |
227 |
207 |
162 |
0 |
| VODI |
0 |
281 |
96 |
200 |
253 |
274 |
253 |
0 |
| ODI |
0 |
129 |
53 |
140 |
135 |
251 |
276 |
0 |
| CDI |
0 |
97 |
30 |
160 |
200 |
412 |
601 |
22 |
| VCDI |
0 |
85 |
60 |
259 |
1053 |
3523 |
33773 |
58799 |
|
Date: 2024-03-22:
| 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 |
64490 |
17510 |
464 |
696 |
440 |
311 |
126 |
0 |
| OW |
53 |
413 |
117 |
270 |
220 |
127 |
91 |
0 |
| VODI |
0 |
206 |
97 |
252 |
278 |
293 |
241 |
0 |
| ODI |
0 |
85 |
52 |
109 |
253 |
256 |
386 |
0 |
| CDI |
0 |
61 |
34 |
159 |
271 |
511 |
833 |
11 |
| VCDI |
0 |
45 |
20 |
198 |
691 |
2773 |
33438 |
60167 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64490 |
16946 |
467 |
750 |
568 |
635 |
359 |
0 |
| OW |
53 |
596 |
85 |
247 |
201 |
133 |
243 |
0 |
| VODI |
0 |
354 |
84 |
156 |
254 |
218 |
337 |
0 |
| ODI |
0 |
124 |
53 |
116 |
170 |
197 |
408 |
0 |
| CDI |
0 |
87 |
39 |
120 |
182 |
355 |
766 |
6 |
| VCDI |
0 |
213 |
56 |
295 |
778 |
2733 |
33002 |
60172 |
|
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