Validation of sea ice concentration - Full domain
Bulletin date: 2022-04-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-01:
| 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 |
59497 |
21278 |
1959 |
802 |
256 |
132 |
93 |
0 |
| OW |
52 |
324 |
293 |
490 |
341 |
81 |
42 |
0 |
| VODI |
0 |
120 |
216 |
380 |
450 |
244 |
97 |
0 |
| ODI |
0 |
49 |
73 |
264 |
390 |
449 |
253 |
0 |
| CDI |
0 |
18 |
22 |
140 |
632 |
841 |
690 |
6 |
| VCDI |
0 |
0 |
19 |
237 |
1322 |
5771 |
39739 |
48986 |
|
...date precedes bulletin
|
Date: 2022-04-03:
| 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 |
60461 |
20661 |
1826 |
807 |
288 |
123 |
87 |
0 |
| OW |
52 |
365 |
286 |
387 |
290 |
115 |
44 |
0 |
| VODI |
0 |
199 |
235 |
260 |
402 |
271 |
107 |
0 |
| ODI |
0 |
84 |
98 |
278 |
300 |
377 |
259 |
0 |
| CDI |
0 |
29 |
22 |
201 |
577 |
760 |
585 |
1 |
| VCDI |
0 |
1 |
9 |
194 |
1136 |
5277 |
39340 |
50254 |
|
...date precedes bulletin
|
Date: 2022-04-05:
| 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 |
60656 |
20846 |
1780 |
763 |
206 |
70 |
82 |
0 |
| OW |
52 |
234 |
259 |
427 |
277 |
72 |
26 |
0 |
| VODI |
0 |
115 |
169 |
392 |
415 |
202 |
49 |
0 |
| ODI |
0 |
51 |
63 |
331 |
526 |
359 |
157 |
0 |
| CDI |
0 |
10 |
9 |
177 |
669 |
1177 |
665 |
0 |
| VCDI |
0 |
2 |
5 |
191 |
793 |
4899 |
36172 |
53700 |
|
...date precedes bulletin
|
Date: 2022-04-07:
| 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 |
63751 |
18119 |
1283 |
800 |
269 |
91 |
105 |
0 |
| OW |
52 |
252 |
216 |
402 |
265 |
114 |
60 |
0 |
| VODI |
0 |
123 |
142 |
365 |
413 |
216 |
100 |
0 |
| ODI |
0 |
26 |
66 |
288 |
399 |
402 |
208 |
0 |
| CDI |
0 |
12 |
36 |
163 |
582 |
1064 |
664 |
16 |
| VCDI |
0 |
2 |
15 |
269 |
1154 |
4543 |
36598 |
53403 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63751 |
18171 |
1307 |
882 |
305 |
100 |
108 |
0 |
| OW |
52 |
228 |
198 |
339 |
273 |
105 |
55 |
0 |
| VODI |
0 |
100 |
129 |
343 |
395 |
215 |
105 |
0 |
| ODI |
0 |
22 |
68 |
273 |
390 |
401 |
187 |
0 |
| CDI |
0 |
11 |
37 |
190 |
618 |
1064 |
693 |
14 |
| VCDI |
0 |
2 |
19 |
260 |
1101 |
4545 |
36587 |
53405 |
|
Date: 2022-04-09:
| 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 |
62981 |
18550 |
1492 |
774 |
312 |
95 |
101 |
0 |
| OW |
53 |
305 |
185 |
345 |
263 |
124 |
74 |
0 |
| VODI |
0 |
126 |
178 |
358 |
381 |
267 |
115 |
0 |
| ODI |
0 |
28 |
78 |
217 |
407 |
458 |
176 |
0 |
| CDI |
0 |
6 |
21 |
212 |
711 |
959 |
703 |
27 |
| VCDI |
0 |
0 |
1 |
101 |
951 |
4306 |
34150 |
56457 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62981 |
18609 |
1486 |
805 |
335 |
99 |
107 |
0 |
| OW |
53 |
245 |
201 |
305 |
261 |
113 |
60 |
0 |
| VODI |
0 |
128 |
159 |
356 |
356 |
276 |
113 |
0 |
| ODI |
0 |
30 |
76 |
206 |
402 |
478 |
169 |
0 |
| CDI |
0 |
3 |
31 |
222 |
737 |
1008 |
740 |
26 |
| VCDI |
0 |
0 |
2 |
113 |
934 |
4235 |
34130 |
56458 |
|
Date: 2022-04-11:
| 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 |
60312 |
20702 |
2389 |
689 |
263 |
63 |
77 |
0 |
| OW |
52 |
303 |
230 |
494 |
255 |
62 |
29 |
0 |
| VODI |
0 |
165 |
203 |
400 |
492 |
146 |
57 |
0 |
| ODI |
0 |
47 |
90 |
269 |
662 |
475 |
98 |
0 |
| CDI |
0 |
8 |
32 |
207 |
835 |
1281 |
663 |
0 |
| VCDI |
0 |
0 |
5 |
68 |
639 |
4549 |
30718 |
59019 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60312 |
20605 |
2331 |
735 |
377 |
100 |
104 |
0 |
| OW |
52 |
339 |
215 |
309 |
238 |
90 |
61 |
0 |
| VODI |
0 |
184 |
204 |
344 |
387 |
216 |
121 |
0 |
| ODI |
0 |
72 |
117 |
297 |
363 |
463 |
164 |
0 |
| CDI |
0 |
23 |
63 |
251 |
809 |
765 |
617 |
2 |
| VCDI |
0 |
2 |
19 |
191 |
972 |
4942 |
30575 |
59017 |
|
Date: 2022-04-13:
| 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 |
64232 |
17935 |
1682 |
793 |
318 |
97 |
55 |
0 |
| OW |
61 |
246 |
210 |
364 |
227 |
102 |
29 |
0 |
| VODI |
0 |
128 |
140 |
408 |
479 |
194 |
39 |
0 |
| ODI |
0 |
39 |
62 |
294 |
576 |
445 |
135 |
0 |
| CDI |
0 |
13 |
26 |
203 |
775 |
1169 |
926 |
0 |
| VCDI |
0 |
7 |
28 |
184 |
893 |
5039 |
30092 |
58403 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64232 |
17572 |
1557 |
719 |
355 |
142 |
96 |
0 |
| OW |
61 |
361 |
173 |
304 |
232 |
108 |
46 |
0 |
| VODI |
0 |
214 |
193 |
315 |
382 |
290 |
123 |
0 |
| ODI |
0 |
134 |
116 |
271 |
382 |
427 |
193 |
0 |
| CDI |
0 |
54 |
55 |
342 |
750 |
794 |
758 |
5 |
| VCDI |
0 |
33 |
54 |
295 |
1167 |
5285 |
30060 |
58398 |
|
Date: 2022-04-15:
| 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 |
61028 |
20528 |
2118 |
757 |
303 |
130 |
43 |
0 |
| OW |
61 |
245 |
210 |
448 |
272 |
81 |
28 |
0 |
| VODI |
0 |
85 |
121 |
409 |
522 |
230 |
49 |
0 |
| ODI |
0 |
17 |
39 |
244 |
621 |
476 |
164 |
0 |
| CDI |
0 |
6 |
14 |
209 |
902 |
1161 |
798 |
4 |
| VCDI |
0 |
2 |
25 |
170 |
806 |
4780 |
37208 |
51734 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61027 |
20116 |
2021 |
700 |
305 |
144 |
83 |
0 |
| OW |
62 |
325 |
190 |
340 |
288 |
95 |
44 |
0 |
| VODI |
0 |
227 |
146 |
327 |
458 |
301 |
151 |
0 |
| ODI |
0 |
178 |
86 |
279 |
406 |
426 |
269 |
0 |
| CDI |
0 |
32 |
56 |
291 |
814 |
912 |
703 |
9 |
| VCDI |
0 |
5 |
28 |
300 |
1155 |
4980 |
37040 |
51729 |
|
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