Validation of sea ice concentration - European sector
Bulletin date: 2023-03-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-03-03:
| 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 |
56140 |
21035 |
6735 |
757 |
94 |
12 |
23 |
0 |
| OW |
55 |
180 |
360 |
384 |
164 |
36 |
9 |
0 |
| VODI |
0 |
81 |
193 |
446 |
278 |
134 |
30 |
0 |
| ODI |
0 |
37 |
50 |
374 |
363 |
183 |
42 |
0 |
| CDI |
0 |
29 |
12 |
277 |
726 |
887 |
204 |
0 |
| VCDI |
0 |
95 |
59 |
262 |
1274 |
4975 |
10647 |
1458 |
|
...date precedes bulletin
|
Date: 2023-03-05:
| 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 |
56415 |
23479 |
4141 |
529 |
91 |
16 |
33 |
0 |
| OW |
52 |
196 |
370 |
384 |
152 |
32 |
16 |
0 |
| VODI |
0 |
66 |
163 |
512 |
285 |
117 |
47 |
0 |
| ODI |
0 |
16 |
44 |
308 |
387 |
214 |
54 |
0 |
| CDI |
0 |
20 |
9 |
191 |
662 |
727 |
343 |
0 |
| VCDI |
0 |
30 |
34 |
122 |
851 |
4728 |
11232 |
2032 |
|
...date precedes bulletin
|
Date: 2023-03-07:
| 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 |
59305 |
16987 |
7842 |
462 |
71 |
18 |
33 |
0 |
| OW |
52 |
358 |
334 |
352 |
82 |
8 |
6 |
0 |
| VODI |
0 |
162 |
218 |
428 |
275 |
56 |
6 |
0 |
| ODI |
0 |
61 |
92 |
343 |
365 |
165 |
27 |
0 |
| CDI |
0 |
19 |
48 |
218 |
572 |
700 |
169 |
0 |
| VCDI |
0 |
14 |
27 |
172 |
910 |
4833 |
11626 |
1684 |
|
...date precedes bulletin
|
Date: 2023-03-09:
| 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 |
57776 |
19953 |
6282 |
506 |
74 |
28 |
48 |
0 |
| OW |
53 |
310 |
268 |
450 |
142 |
10 |
6 |
0 |
| VODI |
0 |
154 |
167 |
396 |
332 |
68 |
9 |
0 |
| ODI |
0 |
51 |
95 |
238 |
343 |
202 |
14 |
0 |
| CDI |
0 |
36 |
65 |
214 |
456 |
603 |
90 |
0 |
| VCDI |
0 |
68 |
73 |
228 |
1037 |
5557 |
10229 |
2469 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57776 |
19899 |
6302 |
534 |
79 |
28 |
52 |
0 |
| OW |
53 |
340 |
241 |
411 |
139 |
8 |
3 |
0 |
| VODI |
0 |
183 |
161 |
387 |
328 |
79 |
8 |
0 |
| ODI |
0 |
47 |
101 |
233 |
331 |
194 |
15 |
0 |
| CDI |
0 |
33 |
70 |
222 |
448 |
611 |
97 |
0 |
| VCDI |
0 |
70 |
75 |
245 |
1059 |
5548 |
10221 |
2469 |
|
Date: 2023-03-11:
| 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 |
57305 |
23611 |
3432 |
461 |
80 |
15 |
18 |
0 |
| OW |
55 |
440 |
228 |
369 |
106 |
17 |
4 |
0 |
| VODI |
2 |
258 |
165 |
378 |
279 |
77 |
5 |
0 |
| ODI |
0 |
117 |
97 |
253 |
284 |
169 |
21 |
0 |
| CDI |
0 |
118 |
61 |
248 |
358 |
512 |
109 |
0 |
| VCDI |
0 |
29 |
63 |
346 |
1135 |
4749 |
8297 |
4829 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57305 |
23530 |
3444 |
472 |
85 |
15 |
20 |
0 |
| OW |
55 |
504 |
210 |
352 |
97 |
15 |
2 |
0 |
| VODI |
2 |
280 |
162 |
377 |
264 |
79 |
4 |
0 |
| ODI |
0 |
124 |
104 |
253 |
266 |
170 |
21 |
0 |
| CDI |
0 |
100 |
54 |
238 |
376 |
517 |
103 |
0 |
| VCDI |
0 |
35 |
72 |
363 |
1154 |
4743 |
8304 |
4829 |
|
Date: 2023-03-13:
| 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 |
58549 |
23073 |
2709 |
492 |
91 |
31 |
10 |
0 |
| OW |
52 |
383 |
284 |
410 |
115 |
37 |
9 |
0 |
| VODI |
0 |
253 |
171 |
504 |
292 |
72 |
3 |
0 |
| ODI |
0 |
148 |
35 |
195 |
380 |
176 |
39 |
0 |
| CDI |
0 |
62 |
23 |
111 |
365 |
676 |
337 |
0 |
| VCDI |
0 |
34 |
43 |
206 |
825 |
3878 |
8852 |
5175 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58549 |
22764 |
2695 |
531 |
120 |
42 |
15 |
0 |
| OW |
52 |
524 |
176 |
321 |
115 |
43 |
5 |
0 |
| VODI |
0 |
392 |
209 |
347 |
237 |
119 |
8 |
0 |
| ODI |
0 |
181 |
108 |
254 |
243 |
183 |
41 |
0 |
| CDI |
0 |
73 |
43 |
198 |
343 |
493 |
255 |
0 |
| VCDI |
0 |
19 |
34 |
267 |
1010 |
3990 |
8926 |
5175 |
|
Date: 2023-03-15:
| 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 |
62322 |
20560 |
1197 |
585 |
141 |
52 |
31 |
0 |
| OW |
58 |
394 |
240 |
387 |
156 |
40 |
9 |
0 |
| VODI |
2 |
191 |
157 |
340 |
330 |
83 |
14 |
0 |
| ODI |
0 |
109 |
67 |
172 |
370 |
185 |
29 |
0 |
| CDI |
0 |
46 |
33 |
134 |
317 |
713 |
378 |
0 |
| VCDI |
0 |
35 |
85 |
252 |
1049 |
3124 |
8511 |
6202 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62322 |
20175 |
1150 |
580 |
171 |
59 |
36 |
0 |
| OW |
58 |
525 |
202 |
280 |
134 |
57 |
6 |
0 |
| VODI |
2 |
422 |
220 |
323 |
279 |
128 |
13 |
0 |
| ODI |
0 |
157 |
89 |
247 |
287 |
208 |
40 |
0 |
| CDI |
0 |
51 |
71 |
134 |
356 |
636 |
359 |
0 |
| VCDI |
0 |
5 |
47 |
306 |
1136 |
3109 |
8518 |
6202 |
|
Date: 2023-03-17:
| 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 |
61025 |
20940 |
1879 |
641 |
229 |
86 |
39 |
0 |
| OW |
52 |
366 |
221 |
334 |
180 |
101 |
14 |
0 |
| VODI |
0 |
136 |
98 |
286 |
352 |
189 |
29 |
0 |
| ODI |
0 |
82 |
30 |
133 |
305 |
309 |
85 |
0 |
| CDI |
0 |
49 |
23 |
79 |
224 |
855 |
417 |
0 |
| VCDI |
0 |
18 |
21 |
67 |
449 |
2516 |
9472 |
6769 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61025 |
20583 |
1772 |
566 |
226 |
117 |
41 |
0 |
| OW |
52 |
424 |
234 |
258 |
165 |
97 |
14 |
0 |
| VODI |
0 |
393 |
167 |
339 |
255 |
185 |
36 |
0 |
| ODI |
0 |
116 |
66 |
188 |
269 |
282 |
109 |
0 |
| CDI |
0 |
70 |
18 |
116 |
322 |
828 |
479 |
0 |
| VCDI |
0 |
5 |
15 |
73 |
502 |
2547 |
9377 |
6769 |
|
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