Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-09:
| 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 |
64878 |
18236 |
571 |
810 |
246 |
200 |
48 |
0 |
| OW |
61 |
456 |
184 |
374 |
219 |
59 |
3 |
0 |
| VODI |
0 |
321 |
79 |
308 |
410 |
127 |
17 |
0 |
| ODI |
0 |
241 |
32 |
152 |
397 |
298 |
53 |
0 |
| CDI |
0 |
337 |
81 |
200 |
585 |
995 |
254 |
0 |
| VCDI |
0 |
303 |
126 |
498 |
1170 |
6672 |
26980 |
60067 |
|
...date precedes bulletin
|
Date: 2024-02-11:
| 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 |
64980 |
17996 |
603 |
737 |
358 |
125 |
76 |
0 |
| OW |
63 |
441 |
193 |
426 |
175 |
66 |
13 |
0 |
| VODI |
0 |
264 |
114 |
392 |
361 |
156 |
31 |
0 |
| ODI |
0 |
178 |
63 |
210 |
328 |
281 |
41 |
0 |
| CDI |
0 |
194 |
49 |
175 |
505 |
894 |
196 |
6 |
| VCDI |
0 |
231 |
121 |
616 |
1061 |
6505 |
27654 |
60170 |
|
...date precedes bulletin
|
Date: 2024-02-13:
| 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 |
65134 |
18345 |
487 |
718 |
209 |
91 |
102 |
0 |
| OW |
60 |
575 |
220 |
508 |
192 |
34 |
11 |
0 |
| VODI |
0 |
312 |
123 |
478 |
420 |
126 |
21 |
0 |
| ODI |
0 |
159 |
72 |
235 |
507 |
302 |
31 |
0 |
| CDI |
0 |
42 |
39 |
235 |
524 |
941 |
216 |
0 |
| VCDI |
0 |
30 |
26 |
230 |
744 |
5426 |
28264 |
60859 |
|
...date precedes bulletin
|
Date: 2024-02-15:
| 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 |
65900 |
17786 |
347 |
473 |
185 |
91 |
68 |
0 |
| OW |
60 |
825 |
180 |
362 |
154 |
45 |
5 |
0 |
| VODI |
0 |
590 |
154 |
360 |
314 |
172 |
14 |
0 |
| ODI |
0 |
359 |
86 |
244 |
304 |
241 |
42 |
0 |
| CDI |
0 |
208 |
94 |
266 |
308 |
432 |
265 |
2 |
| VCDI |
0 |
159 |
104 |
445 |
1064 |
5821 |
32853 |
55666 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65900 |
17889 |
378 |
525 |
202 |
95 |
69 |
0 |
| OW |
60 |
732 |
152 |
345 |
154 |
55 |
4 |
0 |
| VODI |
0 |
599 |
146 |
326 |
285 |
162 |
15 |
0 |
| ODI |
0 |
350 |
95 |
246 |
314 |
232 |
43 |
0 |
| CDI |
0 |
190 |
88 |
254 |
312 |
434 |
259 |
0 |
| VCDI |
0 |
167 |
106 |
454 |
1062 |
5824 |
32857 |
55668 |
|
Date: 2024-02-17:
| 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 |
66159 |
17298 |
428 |
537 |
203 |
74 |
38 |
0 |
| OW |
54 |
830 |
153 |
358 |
181 |
71 |
8 |
0 |
| VODI |
0 |
640 |
140 |
373 |
348 |
161 |
12 |
0 |
| ODI |
0 |
362 |
53 |
192 |
341 |
247 |
46 |
0 |
| CDI |
0 |
268 |
96 |
182 |
360 |
440 |
248 |
8 |
| VCDI |
0 |
290 |
164 |
587 |
1120 |
5132 |
27771 |
61075 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66159 |
17313 |
451 |
580 |
216 |
78 |
38 |
0 |
| OW |
54 |
798 |
123 |
326 |
201 |
78 |
6 |
0 |
| VODI |
0 |
636 |
139 |
331 |
301 |
154 |
13 |
0 |
| ODI |
0 |
388 |
65 |
221 |
348 |
235 |
36 |
0 |
| CDI |
0 |
239 |
89 |
190 |
389 |
472 |
291 |
6 |
| VCDI |
0 |
314 |
167 |
581 |
1098 |
5108 |
27739 |
61077 |
|
Date: 2024-02-19:
| 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 |
64563 |
18889 |
495 |
590 |
148 |
47 |
25 |
0 |
| OW |
52 |
593 |
240 |
556 |
164 |
23 |
7 |
0 |
| VODI |
0 |
282 |
132 |
619 |
509 |
68 |
9 |
0 |
| ODI |
0 |
84 |
72 |
348 |
762 |
332 |
58 |
0 |
| CDI |
0 |
67 |
22 |
140 |
711 |
1027 |
387 |
8 |
| VCDI |
0 |
102 |
80 |
298 |
884 |
5365 |
30043 |
58247 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64562 |
18271 |
471 |
617 |
244 |
61 |
27 |
0 |
| OW |
53 |
600 |
155 |
397 |
251 |
44 |
10 |
0 |
| VODI |
0 |
449 |
146 |
416 |
408 |
108 |
18 |
0 |
| ODI |
0 |
284 |
81 |
348 |
519 |
286 |
86 |
0 |
| CDI |
0 |
135 |
57 |
260 |
529 |
645 |
327 |
9 |
| VCDI |
0 |
278 |
131 |
513 |
1227 |
5718 |
30061 |
58246 |
|
Date: 2024-02-21:
| 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 |
65032 |
18235 |
497 |
588 |
243 |
57 |
45 |
0 |
| OW |
53 |
401 |
180 |
405 |
210 |
62 |
13 |
0 |
| VODI |
0 |
225 |
69 |
411 |
497 |
156 |
23 |
0 |
| ODI |
0 |
218 |
59 |
178 |
524 |
267 |
109 |
0 |
| CDI |
0 |
75 |
59 |
171 |
633 |
800 |
431 |
7 |
| VCDI |
0 |
95 |
74 |
267 |
1413 |
6234 |
32516 |
55516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65031 |
17654 |
408 |
526 |
241 |
60 |
48 |
0 |
| OW |
54 |
546 |
175 |
324 |
234 |
70 |
13 |
0 |
| VODI |
0 |
385 |
112 |
392 |
389 |
170 |
40 |
0 |
| ODI |
0 |
207 |
46 |
188 |
405 |
267 |
118 |
0 |
| CDI |
0 |
214 |
62 |
173 |
593 |
808 |
448 |
3 |
| VCDI |
0 |
243 |
135 |
417 |
1658 |
6201 |
32470 |
55520 |
|
Date: 2024-02-23:
| 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 |
66003 |
16827 |
470 |
657 |
387 |
99 |
82 |
0 |
| OW |
53 |
532 |
151 |
348 |
221 |
85 |
26 |
0 |
| VODI |
0 |
291 |
95 |
355 |
421 |
191 |
72 |
0 |
| ODI |
0 |
177 |
53 |
181 |
429 |
312 |
150 |
0 |
| CDI |
0 |
118 |
76 |
221 |
539 |
617 |
405 |
0 |
| VCDI |
0 |
84 |
49 |
306 |
1034 |
5618 |
32302 |
57011 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65984 |
16336 |
412 |
589 |
381 |
115 |
89 |
0 |
| OW |
72 |
569 |
143 |
297 |
205 |
106 |
36 |
0 |
| VODI |
0 |
433 |
106 |
358 |
316 |
173 |
94 |
0 |
| ODI |
0 |
243 |
70 |
193 |
357 |
189 |
162 |
0 |
| CDI |
0 |
219 |
54 |
182 |
511 |
604 |
435 |
11 |
| VCDI |
0 |
229 |
109 |
449 |
1261 |
5735 |
32221 |
57000 |
|
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