Validation of sea ice concentration - Full domain
Bulletin date: 2022-03-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-03-20:
| 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 |
58028 |
20973 |
2354 |
1187 |
780 |
362 |
137 |
0 |
| OW |
52 |
578 |
255 |
307 |
249 |
295 |
77 |
0 |
| VODI |
0 |
230 |
221 |
354 |
382 |
397 |
94 |
0 |
| ODI |
0 |
136 |
71 |
263 |
426 |
470 |
145 |
0 |
| CDI |
0 |
184 |
58 |
187 |
736 |
1453 |
562 |
32 |
| VCDI |
0 |
498 |
289 |
460 |
1060 |
6806 |
34282 |
51618 |
|
...date precedes bulletin
|
Date: 2022-03-22:
| 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 |
54678 |
20592 |
7310 |
1008 |
496 |
171 |
57 |
0 |
| OW |
59 |
225 |
424 |
373 |
310 |
92 |
27 |
0 |
| VODI |
0 |
125 |
281 |
461 |
481 |
239 |
18 |
0 |
| ODI |
0 |
54 |
193 |
349 |
508 |
408 |
120 |
0 |
| CDI |
0 |
122 |
161 |
261 |
730 |
1204 |
375 |
0 |
| VCDI |
0 |
208 |
245 |
386 |
1225 |
7614 |
36405 |
49053 |
|
...date precedes bulletin
|
Date: 2022-03-24:
| 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 |
57751 |
20157 |
4472 |
866 |
417 |
178 |
40 |
0 |
| OW |
52 |
327 |
323 |
565 |
289 |
148 |
6 |
0 |
| VODI |
0 |
176 |
179 |
479 |
563 |
234 |
34 |
0 |
| ODI |
0 |
90 |
89 |
242 |
473 |
434 |
129 |
0 |
| CDI |
0 |
62 |
49 |
179 |
594 |
1060 |
456 |
2 |
| VCDI |
0 |
241 |
225 |
418 |
1109 |
8553 |
32723 |
52664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57751 |
20194 |
4529 |
979 |
435 |
190 |
40 |
0 |
| OW |
52 |
292 |
281 |
479 |
334 |
135 |
3 |
0 |
| VODI |
0 |
175 |
172 |
471 |
568 |
239 |
30 |
0 |
| ODI |
0 |
94 |
84 |
232 |
456 |
458 |
100 |
0 |
| CDI |
0 |
62 |
51 |
185 |
569 |
1044 |
509 |
0 |
| VCDI |
0 |
236 |
220 |
403 |
1083 |
8541 |
32706 |
52666 |
|
Date: 2022-03-26:
| 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 |
61433 |
18393 |
2142 |
929 |
466 |
250 |
43 |
0 |
| OW |
53 |
318 |
269 |
434 |
369 |
184 |
27 |
0 |
| VODI |
0 |
170 |
158 |
331 |
616 |
311 |
62 |
0 |
| ODI |
0 |
63 |
85 |
250 |
516 |
544 |
111 |
0 |
| CDI |
0 |
26 |
48 |
167 |
611 |
1059 |
540 |
1 |
| VCDI |
0 |
94 |
220 |
422 |
1141 |
7873 |
34482 |
51837 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61433 |
18419 |
2186 |
1000 |
507 |
266 |
47 |
0 |
| OW |
53 |
291 |
216 |
363 |
365 |
172 |
21 |
0 |
| VODI |
0 |
168 |
161 |
328 |
603 |
322 |
53 |
0 |
| ODI |
0 |
73 |
92 |
259 |
509 |
540 |
126 |
0 |
| CDI |
0 |
35 |
61 |
171 |
586 |
1035 |
578 |
0 |
| VCDI |
0 |
78 |
206 |
412 |
1149 |
7886 |
34440 |
51838 |
|
Date: 2022-03-28:
| 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 |
62323 |
17564 |
2336 |
762 |
330 |
129 |
67 |
0 |
| OW |
52 |
311 |
409 |
517 |
245 |
113 |
57 |
0 |
| VODI |
0 |
112 |
213 |
648 |
501 |
192 |
66 |
0 |
| ODI |
0 |
50 |
66 |
262 |
662 |
481 |
163 |
0 |
| CDI |
0 |
9 |
34 |
103 |
621 |
1257 |
754 |
12 |
| VCDI |
0 |
58 |
152 |
226 |
933 |
5991 |
37848 |
50419 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62322 |
17499 |
2379 |
1001 |
547 |
250 |
122 |
0 |
| OW |
53 |
252 |
291 |
370 |
263 |
163 |
85 |
0 |
| VODI |
0 |
144 |
202 |
394 |
356 |
292 |
161 |
0 |
| ODI |
0 |
113 |
87 |
259 |
384 |
328 |
264 |
0 |
| CDI |
0 |
42 |
86 |
204 |
467 |
861 |
554 |
55 |
| VCDI |
0 |
54 |
165 |
290 |
1275 |
6269 |
37769 |
50376 |
|
Date: 2022-03-30:
| 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 |
58085 |
20495 |
3940 |
892 |
273 |
94 |
80 |
0 |
| OW |
52 |
279 |
364 |
591 |
274 |
90 |
56 |
0 |
| VODI |
0 |
82 |
243 |
438 |
546 |
166 |
97 |
0 |
| ODI |
0 |
33 |
90 |
292 |
434 |
411 |
247 |
0 |
| CDI |
0 |
3 |
20 |
160 |
681 |
873 |
794 |
11 |
| VCDI |
0 |
7 |
129 |
361 |
1266 |
5525 |
33423 |
55151 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58085 |
20348 |
3974 |
990 |
513 |
210 |
211 |
0 |
| OW |
52 |
301 |
274 |
342 |
228 |
119 |
121 |
0 |
| VODI |
0 |
162 |
208 |
444 |
360 |
228 |
188 |
0 |
| ODI |
0 |
72 |
143 |
282 |
373 |
324 |
212 |
0 |
| CDI |
0 |
9 |
53 |
270 |
500 |
696 |
618 |
0 |
| VCDI |
0 |
7 |
134 |
406 |
1500 |
5582 |
33347 |
55162 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59497 |
21034 |
1888 |
802 |
592 |
357 |
228 |
0 |
| OW |
52 |
362 |
240 |
343 |
235 |
168 |
85 |
0 |
| VODI |
0 |
226 |
224 |
394 |
334 |
275 |
180 |
0 |
| ODI |
0 |
122 |
133 |
290 |
311 |
286 |
256 |
0 |
| CDI |
0 |
42 |
76 |
222 |
524 |
693 |
676 |
7 |
| VCDI |
0 |
3 |
21 |
262 |
1395 |
5739 |
39489 |
48985 |
|
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