Validation of sea ice concentration - Full domain
Bulletin date: 2022-03-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-25:
| 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 |
57985 |
20597 |
3516 |
878 |
472 |
214 |
16 |
0 |
| OW |
52 |
314 |
281 |
475 |
340 |
177 |
13 |
0 |
| VODI |
0 |
243 |
109 |
462 |
604 |
263 |
30 |
0 |
| ODI |
0 |
92 |
74 |
239 |
506 |
509 |
84 |
0 |
| CDI |
0 |
36 |
51 |
153 |
590 |
1171 |
565 |
0 |
| VCDI |
0 |
139 |
191 |
454 |
1053 |
8453 |
34273 |
51374 |
|
...date precedes bulletin
|
Date: 2022-03-27:
| 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 |
59157 |
20211 |
2589 |
937 |
528 |
263 |
73 |
0 |
| OW |
53 |
325 |
279 |
388 |
341 |
211 |
53 |
0 |
| VODI |
0 |
227 |
165 |
316 |
465 |
346 |
142 |
0 |
| ODI |
0 |
101 |
78 |
224 |
411 |
483 |
227 |
0 |
| CDI |
0 |
39 |
64 |
187 |
497 |
800 |
504 |
2 |
| VCDI |
0 |
101 |
171 |
438 |
1215 |
7077 |
35185 |
52175 |
|
...date precedes bulletin
|
Date: 2022-03-29:
| 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 |
60121 |
18346 |
4028 |
855 |
250 |
115 |
80 |
0 |
| OW |
52 |
242 |
375 |
578 |
236 |
88 |
53 |
0 |
| VODI |
0 |
94 |
201 |
544 |
574 |
176 |
65 |
0 |
| ODI |
0 |
38 |
66 |
285 |
536 |
429 |
288 |
0 |
| CDI |
0 |
2 |
27 |
169 |
602 |
1001 |
790 |
38 |
| VCDI |
0 |
11 |
165 |
309 |
1104 |
6105 |
36381 |
51629 |
|
...date precedes bulletin
|
Date: 2022-03-31:
| 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 |
61627 |
18579 |
2374 |
837 |
273 |
103 |
91 |
0 |
| OW |
52 |
290 |
320 |
567 |
363 |
82 |
51 |
0 |
| VODI |
0 |
97 |
225 |
381 |
457 |
218 |
99 |
0 |
| ODI |
0 |
32 |
84 |
266 |
384 |
408 |
294 |
0 |
| CDI |
0 |
8 |
17 |
166 |
644 |
916 |
774 |
0 |
| VCDI |
0 |
1 |
42 |
321 |
1352 |
5222 |
34715 |
54316 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61627 |
18579 |
2408 |
1026 |
435 |
113 |
96 |
0 |
| OW |
52 |
289 |
292 |
390 |
245 |
89 |
50 |
0 |
| VODI |
0 |
96 |
217 |
397 |
418 |
225 |
86 |
0 |
| ODI |
0 |
35 |
79 |
243 |
411 |
391 |
241 |
0 |
| CDI |
0 |
6 |
24 |
151 |
593 |
864 |
812 |
2 |
| VCDI |
0 |
2 |
42 |
331 |
1371 |
5267 |
34739 |
54314 |
|
Date: 2022-04-02:
| 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 |
58040 |
22636 |
1947 |
952 |
310 |
144 |
98 |
0 |
| OW |
52 |
366 |
248 |
400 |
380 |
116 |
41 |
0 |
| VODI |
0 |
163 |
215 |
316 |
425 |
277 |
109 |
0 |
| ODI |
0 |
68 |
97 |
289 |
318 |
420 |
271 |
0 |
| CDI |
0 |
18 |
24 |
174 |
506 |
795 |
674 |
2 |
| VCDI |
0 |
1 |
17 |
250 |
1329 |
5743 |
41725 |
47092 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58040 |
22644 |
1962 |
1034 |
486 |
171 |
100 |
0 |
| OW |
52 |
349 |
240 |
298 |
251 |
96 |
34 |
0 |
| VODI |
0 |
168 |
217 |
333 |
372 |
296 |
83 |
0 |
| ODI |
0 |
75 |
83 |
299 |
327 |
363 |
279 |
0 |
| CDI |
0 |
15 |
29 |
154 |
480 |
784 |
678 |
2 |
| VCDI |
0 |
1 |
17 |
263 |
1352 |
5785 |
41744 |
47092 |
|
Date: 2022-04-04:
| 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 |
59838 |
21011 |
2324 |
699 |
144 |
83 |
75 |
0 |
| OW |
52 |
275 |
365 |
443 |
286 |
67 |
34 |
0 |
| VODI |
0 |
114 |
191 |
433 |
406 |
162 |
43 |
0 |
| ODI |
0 |
98 |
62 |
320 |
583 |
500 |
97 |
0 |
| CDI |
0 |
12 |
11 |
149 |
747 |
1172 |
650 |
0 |
| VCDI |
0 |
0 |
1 |
117 |
703 |
4733 |
37671 |
52377 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59838 |
20957 |
2259 |
839 |
310 |
132 |
109 |
0 |
| OW |
52 |
295 |
296 |
297 |
267 |
109 |
47 |
0 |
| VODI |
0 |
130 |
255 |
321 |
332 |
285 |
106 |
0 |
| ODI |
0 |
107 |
101 |
258 |
284 |
320 |
252 |
0 |
| CDI |
0 |
19 |
37 |
234 |
571 |
653 |
683 |
0 |
| VCDI |
0 |
2 |
6 |
212 |
1105 |
5218 |
37373 |
52377 |
|
Date: 2022-04-06:
| 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 |
63359 |
18814 |
1190 |
705 |
239 |
71 |
99 |
0 |
| OW |
52 |
243 |
228 |
401 |
265 |
95 |
36 |
0 |
| VODI |
0 |
133 |
172 |
340 |
426 |
210 |
65 |
0 |
| ODI |
0 |
42 |
76 |
302 |
434 |
386 |
182 |
0 |
| CDI |
0 |
10 |
28 |
175 |
605 |
1177 |
699 |
9 |
| VCDI |
0 |
2 |
8 |
253 |
883 |
4855 |
36129 |
53650 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63359 |
18511 |
1059 |
707 |
341 |
141 |
145 |
0 |
| OW |
52 |
386 |
248 |
308 |
244 |
110 |
76 |
0 |
| VODI |
0 |
232 |
177 |
316 |
362 |
251 |
155 |
0 |
| ODI |
0 |
92 |
111 |
234 |
318 |
415 |
222 |
0 |
| CDI |
0 |
20 |
87 |
267 |
495 |
797 |
743 |
3 |
| VCDI |
0 |
3 |
20 |
344 |
1092 |
5080 |
35869 |
53656 |
|
Date: 2022-04-08:
| 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 |
64383 |
17350 |
1235 |
804 |
331 |
93 |
101 |
0 |
| OW |
61 |
287 |
194 |
384 |
267 |
108 |
63 |
0 |
| VODI |
0 |
134 |
171 |
314 |
456 |
200 |
111 |
0 |
| ODI |
0 |
34 |
70 |
232 |
418 |
483 |
153 |
0 |
| CDI |
0 |
6 |
37 |
204 |
585 |
994 |
684 |
27 |
| VCDI |
0 |
0 |
5 |
185 |
1214 |
4586 |
36055 |
54029 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64383 |
17180 |
1182 |
772 |
402 |
141 |
146 |
0 |
| OW |
61 |
349 |
183 |
293 |
291 |
141 |
93 |
0 |
| VODI |
0 |
171 |
156 |
305 |
352 |
291 |
181 |
0 |
| ODI |
0 |
88 |
87 |
240 |
337 |
420 |
248 |
0 |
| CDI |
0 |
23 |
81 |
250 |
529 |
768 |
730 |
2 |
| VCDI |
0 |
0 |
23 |
263 |
1360 |
4703 |
35769 |
54054 |
|
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