Validation of sea ice concentration - Full domain
Bulletin date: 2023-02-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-10:
| 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 |
53776 |
25212 |
7035 |
518 |
88 |
5 |
0 |
0 |
| OW |
59 |
537 |
173 |
290 |
190 |
21 |
0 |
0 |
| VODI |
2 |
345 |
229 |
303 |
287 |
72 |
1 |
0 |
| ODI |
0 |
162 |
103 |
261 |
357 |
148 |
17 |
0 |
| CDI |
0 |
142 |
94 |
224 |
502 |
512 |
144 |
0 |
| VCDI |
0 |
321 |
684 |
890 |
1902 |
8331 |
29857 |
53254 |
|
...date precedes bulletin
|
Date: 2023-02-12:
| 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 |
54172 |
27141 |
4392 |
646 |
139 |
24 |
3 |
0 |
| OW |
51 |
446 |
200 |
331 |
158 |
33 |
8 |
0 |
| VODI |
0 |
291 |
216 |
327 |
295 |
70 |
27 |
0 |
| ODI |
0 |
124 |
163 |
236 |
320 |
137 |
42 |
0 |
| CDI |
0 |
105 |
142 |
168 |
386 |
428 |
160 |
0 |
| VCDI |
0 |
322 |
779 |
994 |
1643 |
7297 |
32599 |
52033 |
|
...date precedes bulletin
|
Date: 2023-02-14:
| 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 |
55530 |
27031 |
3178 |
594 |
194 |
29 |
5 |
0 |
| OW |
51 |
349 |
233 |
411 |
167 |
24 |
2 |
0 |
| VODI |
0 |
160 |
172 |
359 |
424 |
93 |
2 |
0 |
| ODI |
0 |
43 |
109 |
256 |
394 |
237 |
24 |
0 |
| CDI |
0 |
45 |
64 |
228 |
500 |
611 |
277 |
2 |
| VCDI |
0 |
103 |
168 |
576 |
1333 |
5830 |
34722 |
52518 |
|
...date precedes bulletin
|
Date: 2023-02-16:
| 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 |
56782 |
25053 |
3594 |
663 |
154 |
44 |
5 |
0 |
| OW |
51 |
306 |
328 |
323 |
164 |
18 |
5 |
0 |
| VODI |
0 |
180 |
232 |
329 |
411 |
80 |
5 |
0 |
| ODI |
0 |
85 |
125 |
265 |
382 |
178 |
32 |
0 |
| CDI |
0 |
63 |
93 |
245 |
531 |
671 |
198 |
1 |
| VCDI |
0 |
177 |
297 |
719 |
1771 |
6423 |
33892 |
52173 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56782 |
25067 |
3635 |
692 |
162 |
43 |
5 |
0 |
| OW |
51 |
292 |
297 |
306 |
167 |
17 |
4 |
0 |
| VODI |
0 |
182 |
237 |
311 |
393 |
79 |
5 |
0 |
| ODI |
0 |
87 |
109 |
270 |
390 |
169 |
28 |
0 |
| CDI |
0 |
62 |
90 |
224 |
527 |
681 |
205 |
1 |
| VCDI |
0 |
174 |
301 |
741 |
1774 |
6425 |
33890 |
52173 |
|
Date: 2023-02-18:
| 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 |
57882 |
22883 |
4589 |
507 |
178 |
23 |
7 |
0 |
| OW |
53 |
476 |
207 |
302 |
160 |
24 |
3 |
0 |
| VODI |
0 |
313 |
234 |
378 |
301 |
68 |
8 |
0 |
| ODI |
0 |
119 |
119 |
326 |
485 |
142 |
14 |
0 |
| CDI |
0 |
84 |
71 |
288 |
520 |
505 |
125 |
0 |
| VCDI |
0 |
346 |
260 |
973 |
2018 |
6752 |
31085 |
54220 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57881 |
22855 |
4582 |
536 |
214 |
28 |
7 |
0 |
| OW |
54 |
499 |
218 |
279 |
138 |
23 |
5 |
0 |
| VODI |
0 |
312 |
220 |
354 |
313 |
61 |
6 |
0 |
| ODI |
0 |
125 |
118 |
334 |
454 |
153 |
11 |
0 |
| CDI |
0 |
80 |
74 |
275 |
563 |
559 |
145 |
0 |
| VCDI |
0 |
350 |
268 |
996 |
1980 |
6690 |
31068 |
54220 |
|
Date: 2023-02-20:
| 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 |
56598 |
26913 |
1542 |
562 |
119 |
51 |
13 |
0 |
| OW |
52 |
288 |
252 |
443 |
158 |
36 |
8 |
0 |
| VODI |
0 |
206 |
206 |
590 |
397 |
75 |
11 |
0 |
| ODI |
0 |
63 |
114 |
370 |
715 |
244 |
11 |
0 |
| CDI |
0 |
77 |
40 |
198 |
878 |
705 |
145 |
11 |
| VCDI |
0 |
95 |
116 |
377 |
1234 |
6787 |
30211 |
56137 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56598 |
26637 |
1449 |
611 |
183 |
76 |
15 |
0 |
| OW |
52 |
396 |
244 |
315 |
197 |
38 |
12 |
0 |
| VODI |
0 |
216 |
212 |
426 |
331 |
120 |
10 |
0 |
| ODI |
0 |
119 |
142 |
323 |
420 |
172 |
27 |
0 |
| CDI |
0 |
79 |
52 |
305 |
719 |
595 |
233 |
13 |
| VCDI |
0 |
195 |
171 |
560 |
1651 |
6897 |
30102 |
56135 |
|
Date: 2023-02-22:
| 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 |
58972 |
23409 |
2394 |
689 |
120 |
18 |
25 |
0 |
| OW |
52 |
301 |
221 |
377 |
225 |
9 |
7 |
0 |
| VODI |
0 |
144 |
164 |
504 |
413 |
76 |
10 |
0 |
| ODI |
0 |
38 |
89 |
332 |
569 |
178 |
62 |
0 |
| CDI |
0 |
16 |
57 |
231 |
782 |
517 |
234 |
8 |
| VCDI |
0 |
21 |
61 |
309 |
1486 |
6269 |
31805 |
55854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58972 |
23083 |
2319 |
754 |
265 |
43 |
28 |
0 |
| OW |
52 |
422 |
200 |
310 |
190 |
45 |
7 |
0 |
| VODI |
0 |
219 |
166 |
360 |
387 |
98 |
32 |
0 |
| ODI |
0 |
119 |
92 |
284 |
461 |
252 |
79 |
0 |
| CDI |
0 |
41 |
100 |
279 |
674 |
642 |
325 |
2 |
| VCDI |
0 |
45 |
109 |
455 |
1618 |
5987 |
31672 |
55860 |
|
Date: 2023-02-24:
| 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 |
52023 |
26212 |
6355 |
754 |
191 |
17 |
7 |
0 |
| OW |
52 |
378 |
259 |
290 |
166 |
18 |
2 |
0 |
| VODI |
0 |
219 |
230 |
350 |
297 |
63 |
35 |
0 |
| ODI |
0 |
97 |
113 |
332 |
355 |
122 |
38 |
0 |
| CDI |
0 |
90 |
65 |
256 |
662 |
545 |
277 |
1 |
| VCDI |
0 |
166 |
126 |
414 |
1834 |
7759 |
39993 |
45885 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52023 |
25665 |
6285 |
764 |
283 |
46 |
7 |
0 |
| OW |
52 |
595 |
214 |
247 |
231 |
35 |
3 |
0 |
| VODI |
0 |
343 |
235 |
278 |
316 |
105 |
31 |
0 |
| ODI |
0 |
162 |
138 |
279 |
283 |
187 |
62 |
0 |
| CDI |
0 |
134 |
87 |
257 |
531 |
548 |
287 |
14 |
| VCDI |
0 |
263 |
189 |
571 |
1861 |
7603 |
39962 |
45872 |
|
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