Validation of sea ice concentration - Full domain
Bulletin date: 2022-03-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-04:
| 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 |
54516 |
24490 |
2150 |
799 |
385 |
150 |
139 |
0 |
| OW |
55 |
416 |
191 |
375 |
242 |
88 |
39 |
0 |
| VODI |
0 |
237 |
144 |
373 |
426 |
169 |
60 |
0 |
| ODI |
0 |
113 |
89 |
198 |
403 |
262 |
96 |
0 |
| CDI |
0 |
105 |
74 |
146 |
597 |
672 |
414 |
0 |
| VCDI |
0 |
145 |
130 |
375 |
954 |
4799 |
26299 |
65733 |
|
...date precedes bulletin
|
Date: 2022-03-06:
| 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 |
57734 |
20523 |
2784 |
924 |
514 |
111 |
121 |
0 |
| OW |
55 |
426 |
183 |
410 |
232 |
36 |
53 |
0 |
| VODI |
0 |
207 |
167 |
351 |
455 |
94 |
71 |
0 |
| ODI |
0 |
100 |
81 |
239 |
491 |
167 |
92 |
0 |
| CDI |
0 |
59 |
83 |
313 |
691 |
576 |
411 |
0 |
| VCDI |
0 |
39 |
103 |
442 |
1682 |
5473 |
25106 |
65449 |
|
...date precedes bulletin
|
Date: 2022-03-08:
| 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 |
59379 |
19024 |
2266 |
1037 |
550 |
149 |
89 |
0 |
| OW |
54 |
274 |
303 |
524 |
319 |
93 |
37 |
0 |
| VODI |
0 |
65 |
200 |
531 |
502 |
193 |
57 |
0 |
| ODI |
0 |
11 |
57 |
316 |
578 |
331 |
83 |
0 |
| CDI |
0 |
3 |
36 |
176 |
747 |
1122 |
561 |
2 |
| VCDI |
0 |
6 |
80 |
337 |
1114 |
4786 |
30790 |
60266 |
|
...date precedes bulletin
|
Date: 2022-03-10:
| 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 |
55320 |
22173 |
3937 |
930 |
468 |
107 |
111 |
0 |
| OW |
54 |
279 |
454 |
280 |
296 |
66 |
31 |
0 |
| VODI |
0 |
111 |
350 |
398 |
365 |
145 |
44 |
0 |
| ODI |
0 |
39 |
116 |
312 |
355 |
209 |
85 |
0 |
| CDI |
0 |
31 |
48 |
291 |
588 |
764 |
266 |
0 |
| VCDI |
0 |
76 |
134 |
516 |
1501 |
5217 |
26384 |
64197 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55320 |
22223 |
3941 |
945 |
497 |
107 |
109 |
0 |
| OW |
54 |
251 |
438 |
274 |
248 |
65 |
32 |
0 |
| VODI |
0 |
93 |
355 |
405 |
371 |
133 |
35 |
0 |
| ODI |
0 |
39 |
118 |
309 |
376 |
210 |
79 |
0 |
| CDI |
0 |
28 |
54 |
266 |
589 |
766 |
234 |
0 |
| VCDI |
0 |
75 |
133 |
528 |
1492 |
5227 |
26432 |
64197 |
|
Date: 2022-03-12:
| 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 |
59133 |
17723 |
4887 |
877 |
465 |
91 |
93 |
0 |
| OW |
54 |
401 |
320 |
302 |
296 |
65 |
24 |
0 |
| VODI |
0 |
241 |
289 |
304 |
324 |
152 |
53 |
0 |
| ODI |
0 |
92 |
161 |
263 |
329 |
220 |
95 |
0 |
| CDI |
0 |
52 |
165 |
304 |
534 |
632 |
253 |
0 |
| VCDI |
0 |
256 |
310 |
669 |
1414 |
5991 |
26386 |
62828 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59133 |
17778 |
4882 |
910 |
489 |
94 |
93 |
0 |
| OW |
54 |
354 |
345 |
256 |
261 |
66 |
26 |
0 |
| VODI |
0 |
225 |
275 |
345 |
334 |
140 |
45 |
0 |
| ODI |
0 |
89 |
164 |
256 |
348 |
225 |
89 |
0 |
| CDI |
0 |
58 |
146 |
295 |
524 |
636 |
283 |
0 |
| VCDI |
0 |
261 |
320 |
657 |
1406 |
5990 |
26368 |
62828 |
|
Date: 2022-03-14:
| 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 |
61005 |
17057 |
4855 |
788 |
232 |
70 |
5 |
0 |
| OW |
53 |
515 |
288 |
373 |
196 |
44 |
9 |
0 |
| VODI |
0 |
213 |
223 |
507 |
481 |
149 |
8 |
0 |
| ODI |
0 |
51 |
63 |
325 |
446 |
302 |
79 |
0 |
| CDI |
0 |
43 |
44 |
189 |
683 |
769 |
372 |
6 |
| VCDI |
0 |
189 |
272 |
537 |
1267 |
6901 |
23247 |
64192 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61004 |
16648 |
4772 |
790 |
352 |
120 |
18 |
0 |
| OW |
54 |
582 |
244 |
270 |
219 |
71 |
11 |
0 |
| VODI |
0 |
346 |
230 |
339 |
319 |
168 |
23 |
0 |
| ODI |
0 |
160 |
105 |
330 |
272 |
199 |
85 |
0 |
| CDI |
0 |
85 |
76 |
351 |
572 |
618 |
423 |
4 |
| VCDI |
0 |
247 |
318 |
639 |
1571 |
7059 |
23160 |
64194 |
|
Date: 2022-03-16:
| 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 |
61530 |
18697 |
2330 |
1108 |
487 |
180 |
76 |
0 |
| OW |
52 |
545 |
238 |
276 |
354 |
97 |
6 |
0 |
| VODI |
0 |
202 |
183 |
327 |
495 |
225 |
28 |
0 |
| ODI |
0 |
71 |
64 |
226 |
562 |
326 |
46 |
0 |
| CDI |
0 |
81 |
57 |
168 |
727 |
905 |
304 |
0 |
| VCDI |
0 |
495 |
336 |
451 |
1815 |
8004 |
28314 |
56660 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61529 |
18243 |
2267 |
1071 |
617 |
264 |
88 |
0 |
| OW |
53 |
636 |
202 |
203 |
281 |
86 |
19 |
0 |
| VODI |
0 |
380 |
169 |
300 |
365 |
214 |
48 |
0 |
| ODI |
0 |
152 |
122 |
243 |
454 |
225 |
71 |
0 |
| CDI |
0 |
110 |
82 |
266 |
825 |
852 |
337 |
2 |
| VCDI |
0 |
570 |
366 |
473 |
1898 |
8096 |
28211 |
56658 |
|
Date: 2022-03-18:
| 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 |
60814 |
19278 |
1794 |
1308 |
628 |
241 |
117 |
0 |
| OW |
56 |
553 |
238 |
292 |
314 |
198 |
62 |
0 |
| VODI |
0 |
261 |
168 |
405 |
333 |
346 |
80 |
0 |
| ODI |
0 |
128 |
79 |
312 |
480 |
460 |
82 |
0 |
| CDI |
0 |
135 |
78 |
196 |
767 |
1190 |
487 |
0 |
| VCDI |
0 |
595 |
323 |
417 |
1663 |
7578 |
34804 |
49788 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60814 |
19083 |
1742 |
1249 |
690 |
296 |
150 |
0 |
| OW |
56 |
569 |
181 |
268 |
241 |
218 |
58 |
0 |
| VODI |
0 |
371 |
220 |
355 |
248 |
349 |
91 |
0 |
| ODI |
0 |
173 |
113 |
362 |
445 |
392 |
82 |
0 |
| CDI |
0 |
135 |
81 |
274 |
741 |
1079 |
522 |
14 |
| VCDI |
0 |
619 |
343 |
422 |
1820 |
7679 |
34729 |
49774 |
|
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