Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-13:
| 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 |
57885 |
23009 |
7250 |
248 |
102 |
63 |
54 |
0 |
| OW |
79 |
614 |
407 |
182 |
74 |
39 |
31 |
0 |
| VODI |
1 |
414 |
380 |
326 |
178 |
57 |
13 |
0 |
| ODI |
0 |
105 |
189 |
296 |
248 |
101 |
33 |
0 |
| CDI |
0 |
64 |
106 |
269 |
340 |
310 |
153 |
0 |
| VCDI |
0 |
49 |
207 |
627 |
1201 |
5749 |
38905 |
46690 |
|
...date precedes bulletin
|
Date: 2023-01-15:
| 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 |
57598 |
22434 |
7107 |
567 |
84 |
71 |
37 |
0 |
| OW |
63 |
379 |
696 |
224 |
95 |
40 |
27 |
0 |
| VODI |
0 |
236 |
584 |
283 |
199 |
62 |
34 |
0 |
| ODI |
0 |
91 |
378 |
255 |
212 |
98 |
47 |
0 |
| CDI |
0 |
57 |
185 |
303 |
311 |
323 |
149 |
0 |
| VCDI |
0 |
102 |
258 |
718 |
1450 |
6347 |
35691 |
49253 |
|
...date precedes bulletin
|
Date: 2023-01-17:
| 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 |
55475 |
23655 |
7986 |
713 |
116 |
42 |
22 |
0 |
| OW |
63 |
349 |
480 |
367 |
66 |
24 |
8 |
0 |
| VODI |
0 |
185 |
358 |
514 |
271 |
73 |
18 |
0 |
| ODI |
0 |
72 |
198 |
297 |
295 |
162 |
16 |
0 |
| CDI |
0 |
51 |
170 |
258 |
379 |
370 |
69 |
1 |
| VCDI |
0 |
38 |
342 |
567 |
1495 |
7022 |
33059 |
51402 |
|
...date precedes bulletin
|
Date: 2023-01-19:
| 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 |
54236 |
25217 |
8309 |
209 |
50 |
34 |
20 |
0 |
| OW |
64 |
536 |
374 |
229 |
83 |
14 |
9 |
0 |
| VODI |
0 |
349 |
284 |
413 |
210 |
76 |
5 |
0 |
| ODI |
0 |
171 |
149 |
289 |
223 |
150 |
8 |
0 |
| CDI |
0 |
112 |
110 |
285 |
301 |
258 |
58 |
11 |
| VCDI |
0 |
174 |
249 |
634 |
1650 |
5877 |
30760 |
54858 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54237 |
25254 |
8333 |
218 |
54 |
35 |
20 |
0 |
| OW |
63 |
483 |
326 |
200 |
76 |
13 |
10 |
0 |
| VODI |
0 |
370 |
287 |
374 |
177 |
83 |
4 |
0 |
| ODI |
0 |
189 |
156 |
331 |
234 |
132 |
11 |
0 |
| CDI |
0 |
102 |
121 |
286 |
318 |
252 |
58 |
11 |
| VCDI |
0 |
161 |
252 |
650 |
1658 |
5894 |
30757 |
54858 |
|
Date: 2023-01-21:
| 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 |
58786 |
24593 |
4113 |
324 |
94 |
40 |
13 |
0 |
| OW |
75 |
564 |
331 |
284 |
114 |
44 |
14 |
0 |
| VODI |
0 |
422 |
259 |
396 |
277 |
113 |
13 |
0 |
| ODI |
0 |
210 |
116 |
310 |
285 |
151 |
17 |
0 |
| CDI |
0 |
169 |
81 |
309 |
319 |
369 |
177 |
0 |
| VCDI |
0 |
250 |
375 |
678 |
1366 |
5623 |
33405 |
51969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58785 |
24624 |
4099 |
343 |
113 |
45 |
8 |
0 |
| OW |
76 |
504 |
329 |
257 |
99 |
57 |
24 |
0 |
| VODI |
0 |
436 |
257 |
360 |
217 |
96 |
10 |
0 |
| ODI |
0 |
236 |
133 |
320 |
308 |
133 |
18 |
0 |
| CDI |
0 |
184 |
90 |
337 |
334 |
355 |
187 |
0 |
| VCDI |
0 |
224 |
367 |
684 |
1384 |
5654 |
33392 |
51969 |
|
Date: 2023-01-23:
| 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 |
57190 |
24161 |
6451 |
440 |
93 |
16 |
0 |
0 |
| OW |
74 |
343 |
350 |
348 |
96 |
23 |
0 |
0 |
| VODI |
0 |
202 |
270 |
743 |
458 |
61 |
3 |
0 |
| ODI |
0 |
135 |
135 |
339 |
507 |
144 |
0 |
0 |
| CDI |
0 |
110 |
148 |
304 |
434 |
470 |
90 |
0 |
| VCDI |
0 |
168 |
160 |
516 |
1113 |
6663 |
28724 |
55566 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57188 |
23580 |
6075 |
473 |
136 |
39 |
0 |
0 |
| OW |
76 |
478 |
339 |
216 |
138 |
48 |
3 |
0 |
| VODI |
0 |
322 |
361 |
535 |
333 |
118 |
0 |
0 |
| ODI |
0 |
255 |
185 |
323 |
357 |
140 |
13 |
0 |
| CDI |
0 |
202 |
180 |
316 |
314 |
346 |
172 |
0 |
| VCDI |
0 |
282 |
374 |
827 |
1423 |
6686 |
28629 |
55566 |
|
Date: 2023-01-25:
| 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 |
55633 |
22990 |
8645 |
830 |
105 |
23 |
1 |
0 |
| OW |
73 |
276 |
279 |
350 |
159 |
23 |
4 |
0 |
| VODI |
0 |
273 |
258 |
561 |
410 |
63 |
14 |
0 |
| ODI |
0 |
156 |
122 |
313 |
457 |
140 |
24 |
0 |
| CDI |
0 |
101 |
134 |
323 |
555 |
447 |
209 |
5 |
| VCDI |
0 |
176 |
174 |
716 |
1618 |
7751 |
30998 |
51659 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55628 |
22375 |
8272 |
620 |
133 |
43 |
4 |
0 |
| OW |
78 |
474 |
279 |
184 |
102 |
68 |
21 |
0 |
| VODI |
0 |
397 |
327 |
483 |
254 |
101 |
27 |
0 |
| ODI |
0 |
245 |
226 |
439 |
450 |
133 |
56 |
0 |
| CDI |
0 |
177 |
213 |
364 |
453 |
367 |
186 |
40 |
| VCDI |
0 |
304 |
295 |
1003 |
1912 |
7735 |
30956 |
51624 |
|
Date: 2023-01-27:
| 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 |
55096 |
26031 |
5431 |
1052 |
181 |
21 |
9 |
0 |
| OW |
63 |
243 |
214 |
301 |
217 |
50 |
16 |
0 |
| VODI |
0 |
228 |
140 |
461 |
352 |
129 |
20 |
0 |
| ODI |
0 |
149 |
107 |
322 |
477 |
228 |
41 |
0 |
| CDI |
0 |
56 |
78 |
256 |
511 |
557 |
289 |
0 |
| VCDI |
0 |
104 |
91 |
453 |
1649 |
6991 |
29326 |
55108 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55108 |
25345 |
5136 |
855 |
150 |
61 |
12 |
0 |
| OW |
51 |
392 |
258 |
189 |
83 |
65 |
39 |
0 |
| VODI |
0 |
331 |
180 |
356 |
181 |
84 |
58 |
0 |
| ODI |
0 |
270 |
114 |
277 |
345 |
172 |
100 |
0 |
| CDI |
0 |
213 |
114 |
326 |
587 |
458 |
258 |
15 |
| VCDI |
0 |
260 |
259 |
842 |
2041 |
7136 |
29234 |
55093 |
|
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