Validation of sea ice concentration - Full domain
Bulletin date: 2022-01-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-21:
| 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 |
57595 |
23362 |
4176 |
714 |
261 |
105 |
91 |
0 |
| OW |
51 |
280 |
287 |
343 |
227 |
60 |
25 |
0 |
| VODI |
0 |
119 |
181 |
332 |
340 |
180 |
46 |
0 |
| ODI |
0 |
46 |
105 |
223 |
330 |
298 |
78 |
0 |
| CDI |
0 |
24 |
77 |
183 |
486 |
783 |
281 |
12 |
| VCDI |
0 |
79 |
72 |
322 |
888 |
5497 |
29862 |
58627 |
|
...date precedes bulletin
|
Date: 2022-01-23:
| 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 |
55035 |
22216 |
7308 |
904 |
301 |
132 |
111 |
0 |
| OW |
61 |
281 |
257 |
455 |
199 |
64 |
36 |
0 |
| VODI |
0 |
185 |
184 |
332 |
342 |
144 |
85 |
0 |
| ODI |
0 |
90 |
125 |
193 |
386 |
256 |
96 |
0 |
| CDI |
0 |
57 |
134 |
200 |
693 |
727 |
242 |
8 |
| VCDI |
0 |
39 |
207 |
479 |
1549 |
5789 |
30906 |
56240 |
|
...date precedes bulletin
|
Date: 2022-01-25:
| 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 |
57667 |
22568 |
4615 |
964 |
227 |
121 |
54 |
0 |
| OW |
59 |
318 |
326 |
332 |
168 |
33 |
13 |
0 |
| VODI |
0 |
173 |
295 |
359 |
350 |
96 |
8 |
0 |
| ODI |
0 |
103 |
161 |
322 |
422 |
195 |
42 |
0 |
| CDI |
0 |
96 |
112 |
279 |
865 |
877 |
228 |
7 |
| VCDI |
0 |
224 |
335 |
659 |
1698 |
7436 |
31490 |
52751 |
|
...date precedes bulletin
|
Date: 2022-01-27:
| 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 |
61551 |
21019 |
1716 |
795 |
302 |
109 |
92 |
0 |
| OW |
60 |
364 |
220 |
343 |
187 |
56 |
44 |
0 |
| VODI |
0 |
294 |
209 |
342 |
387 |
101 |
86 |
0 |
| ODI |
0 |
137 |
143 |
249 |
422 |
211 |
101 |
0 |
| CDI |
0 |
117 |
165 |
247 |
626 |
705 |
503 |
3 |
| VCDI |
0 |
371 |
549 |
757 |
1904 |
7475 |
32494 |
51592 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61551 |
21029 |
1729 |
817 |
316 |
121 |
96 |
0 |
| OW |
60 |
328 |
191 |
314 |
176 |
45 |
42 |
0 |
| VODI |
0 |
251 |
227 |
353 |
382 |
113 |
86 |
0 |
| ODI |
0 |
166 |
135 |
254 |
425 |
229 |
101 |
0 |
| CDI |
0 |
139 |
159 |
242 |
636 |
709 |
516 |
4 |
| VCDI |
0 |
389 |
561 |
753 |
1893 |
7440 |
32479 |
51591 |
|
Date: 2022-01-29:
| 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 |
57613 |
23054 |
2966 |
929 |
324 |
106 |
126 |
0 |
| OW |
61 |
378 |
196 |
355 |
190 |
63 |
57 |
0 |
| VODI |
0 |
249 |
168 |
311 |
387 |
120 |
72 |
0 |
| ODI |
0 |
117 |
106 |
269 |
492 |
222 |
115 |
0 |
| CDI |
0 |
101 |
90 |
281 |
718 |
576 |
320 |
55 |
| VCDI |
0 |
97 |
208 |
1110 |
1936 |
6775 |
27329 |
58406 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57613 |
23103 |
2970 |
969 |
329 |
110 |
132 |
0 |
| OW |
61 |
323 |
183 |
297 |
200 |
59 |
49 |
0 |
| VODI |
0 |
231 |
175 |
320 |
364 |
122 |
77 |
0 |
| ODI |
0 |
93 |
109 |
282 |
511 |
236 |
105 |
0 |
| CDI |
0 |
108 |
68 |
260 |
723 |
613 |
347 |
65 |
| VCDI |
0 |
138 |
229 |
1127 |
1920 |
6722 |
27309 |
58396 |
|
Date: 2022-01-31:
| 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 |
57438 |
22111 |
4568 |
789 |
195 |
109 |
30 |
0 |
| OW |
61 |
259 |
270 |
448 |
181 |
49 |
36 |
0 |
| VODI |
0 |
125 |
128 |
422 |
467 |
139 |
67 |
0 |
| ODI |
0 |
60 |
71 |
224 |
541 |
303 |
90 |
0 |
| CDI |
0 |
24 |
30 |
173 |
629 |
741 |
294 |
0 |
| VCDI |
0 |
68 |
76 |
227 |
1662 |
6472 |
25658 |
61813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57438 |
21828 |
4477 |
814 |
266 |
161 |
48 |
0 |
| OW |
61 |
317 |
219 |
316 |
156 |
80 |
52 |
0 |
| VODI |
0 |
207 |
163 |
361 |
272 |
116 |
79 |
0 |
| ODI |
0 |
86 |
92 |
208 |
365 |
233 |
91 |
0 |
| CDI |
0 |
76 |
59 |
162 |
489 |
580 |
223 |
1 |
| VCDI |
0 |
133 |
133 |
422 |
2127 |
6643 |
25682 |
61812 |
|
Date: 2022-02-02:
| 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 |
60039 |
21136 |
2211 |
962 |
323 |
84 |
65 |
0 |
| OW |
55 |
306 |
222 |
459 |
228 |
71 |
35 |
0 |
| VODI |
0 |
178 |
174 |
350 |
397 |
184 |
74 |
0 |
| ODI |
0 |
52 |
116 |
191 |
346 |
237 |
134 |
0 |
| CDI |
0 |
43 |
48 |
172 |
482 |
678 |
351 |
1 |
| VCDI |
0 |
131 |
156 |
209 |
1390 |
5868 |
29703 |
59187 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60039 |
20920 |
2168 |
1009 |
405 |
125 |
100 |
0 |
| OW |
55 |
309 |
192 |
362 |
178 |
105 |
61 |
0 |
| VODI |
0 |
221 |
146 |
334 |
308 |
164 |
91 |
0 |
| ODI |
0 |
124 |
80 |
184 |
328 |
194 |
116 |
0 |
| CDI |
0 |
55 |
123 |
151 |
433 |
710 |
294 |
3 |
| VCDI |
0 |
217 |
218 |
303 |
1514 |
5824 |
29700 |
59185 |
|
Date: 2022-02-04:
| 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 |
53543 |
26225 |
3173 |
976 |
360 |
108 |
43 |
0 |
| OW |
53 |
286 |
263 |
441 |
281 |
104 |
43 |
0 |
| VODI |
0 |
162 |
144 |
438 |
349 |
166 |
81 |
0 |
| ODI |
0 |
71 |
94 |
210 |
425 |
220 |
126 |
0 |
| CDI |
0 |
54 |
70 |
186 |
639 |
622 |
471 |
6 |
| VCDI |
0 |
27 |
65 |
407 |
1494 |
5864 |
28141 |
60617 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53543 |
25925 |
3141 |
1023 |
427 |
129 |
77 |
0 |
| OW |
53 |
301 |
173 |
343 |
252 |
104 |
68 |
0 |
| VODI |
0 |
214 |
161 |
335 |
314 |
157 |
96 |
0 |
| ODI |
0 |
98 |
116 |
217 |
311 |
194 |
115 |
23 |
| CDI |
0 |
124 |
60 |
234 |
641 |
537 |
386 |
36 |
| VCDI |
0 |
163 |
158 |
506 |
1603 |
5963 |
28163 |
60564 |
|
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