Validation of sea ice concentration - Full domain
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-10:
| 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 |
87397 |
10938 |
284 |
220 |
53 |
2 |
0 |
0 |
| OW |
1190 |
1353 |
399 |
647 |
247 |
54 |
8 |
0 |
| VODI |
3311 |
491 |
287 |
733 |
593 |
232 |
11 |
0 |
| ODI |
0 |
119 |
126 |
485 |
609 |
448 |
0 |
0 |
| CDI |
0 |
43 |
23 |
176 |
612 |
1528 |
440 |
0 |
| VCDI |
0 |
5 |
16 |
59 |
458 |
5163 |
30279 |
31771 |
|
...date precedes bulletin
|
Date: 2023-11-12:
| 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 |
85416 |
11280 |
206 |
293 |
52 |
0 |
0 |
0 |
| OW |
1088 |
1464 |
324 |
584 |
367 |
51 |
12 |
0 |
| VODI |
3324 |
648 |
251 |
840 |
753 |
183 |
12 |
0 |
| ODI |
0 |
143 |
78 |
483 |
777 |
509 |
3 |
0 |
| CDI |
0 |
56 |
48 |
260 |
697 |
1477 |
308 |
8 |
| VCDI |
0 |
30 |
22 |
119 |
466 |
5146 |
29640 |
33392 |
|
...date precedes bulletin
|
Date: 2023-11-14:
| 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 |
84419 |
12079 |
207 |
285 |
26 |
1 |
0 |
0 |
| OW |
1089 |
1438 |
284 |
435 |
145 |
40 |
0 |
0 |
| VODI |
3340 |
438 |
267 |
974 |
766 |
97 |
0 |
0 |
| ODI |
0 |
56 |
64 |
440 |
1171 |
535 |
1 |
0 |
| CDI |
0 |
2 |
9 |
154 |
854 |
1893 |
327 |
0 |
| VCDI |
0 |
1 |
7 |
61 |
488 |
6927 |
32984 |
28506 |
|
...date precedes bulletin
|
Date: 2023-11-16:
| 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 |
81812 |
12622 |
364 |
662 |
309 |
6 |
0 |
0 |
| OW |
1073 |
818 |
260 |
621 |
562 |
53 |
2 |
0 |
| VODI |
3347 |
202 |
160 |
556 |
1002 |
185 |
13 |
0 |
| ODI |
0 |
41 |
26 |
238 |
1275 |
619 |
8 |
0 |
| CDI |
0 |
11 |
19 |
89 |
881 |
2492 |
318 |
1 |
| VCDI |
0 |
3 |
6 |
78 |
607 |
5483 |
29671 |
34315 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81823 |
12659 |
341 |
640 |
375 |
3 |
0 |
0 |
| OW |
1063 |
768 |
285 |
646 |
508 |
52 |
2 |
0 |
| VODI |
3346 |
204 |
151 |
541 |
948 |
197 |
12 |
0 |
| ODI |
0 |
51 |
33 |
237 |
1290 |
625 |
34 |
0 |
| CDI |
0 |
12 |
19 |
102 |
890 |
2504 |
334 |
3 |
| VCDI |
0 |
3 |
6 |
78 |
625 |
5457 |
29630 |
34313 |
|
Date: 2023-11-18:
| 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 |
80775 |
12865 |
233 |
318 |
113 |
15 |
0 |
0 |
| OW |
1043 |
1211 |
258 |
509 |
359 |
90 |
4 |
0 |
| VODI |
3365 |
254 |
222 |
697 |
789 |
331 |
49 |
0 |
| ODI |
0 |
43 |
31 |
292 |
879 |
579 |
62 |
0 |
| CDI |
0 |
33 |
24 |
150 |
932 |
1992 |
591 |
0 |
| VCDI |
0 |
28 |
16 |
100 |
465 |
4157 |
30416 |
36520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80791 |
12942 |
233 |
353 |
111 |
9 |
0 |
0 |
| OW |
1029 |
1125 |
283 |
477 |
367 |
110 |
6 |
0 |
| VODI |
3363 |
260 |
192 |
677 |
766 |
307 |
27 |
0 |
| ODI |
0 |
45 |
37 |
304 |
908 |
546 |
88 |
0 |
| CDI |
0 |
30 |
23 |
150 |
925 |
1982 |
655 |
0 |
| VCDI |
0 |
32 |
16 |
105 |
460 |
4210 |
30346 |
36520 |
|
Date: 2023-11-20:
| 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 |
80119 |
12751 |
220 |
252 |
180 |
18 |
0 |
0 |
| OW |
1051 |
1313 |
244 |
227 |
152 |
39 |
0 |
0 |
| VODI |
3023 |
332 |
311 |
1044 |
470 |
136 |
5 |
0 |
| ODI |
358 |
23 |
31 |
396 |
1311 |
469 |
27 |
0 |
| CDI |
0 |
11 |
4 |
77 |
604 |
2305 |
503 |
0 |
| VCDI |
0 |
3 |
12 |
78 |
293 |
3564 |
30150 |
38704 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80100 |
12395 |
253 |
298 |
159 |
14 |
0 |
0 |
| OW |
1069 |
1399 |
236 |
370 |
285 |
119 |
6 |
0 |
| VODI |
3023 |
511 |
209 |
703 |
500 |
337 |
31 |
0 |
| ODI |
359 |
79 |
83 |
385 |
655 |
625 |
87 |
0 |
| CDI |
0 |
41 |
26 |
197 |
989 |
1829 |
637 |
0 |
| VCDI |
0 |
8 |
15 |
121 |
422 |
3607 |
29924 |
38704 |
|
Date: 2023-11-22:
| 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 |
78309 |
13532 |
579 |
481 |
174 |
24 |
0 |
0 |
| OW |
1001 |
1283 |
286 |
335 |
182 |
43 |
9 |
0 |
| VODI |
2905 |
707 |
275 |
523 |
572 |
132 |
31 |
0 |
| ODI |
477 |
149 |
124 |
496 |
677 |
263 |
25 |
0 |
| CDI |
0 |
79 |
55 |
212 |
1101 |
2105 |
283 |
0 |
| VCDI |
0 |
43 |
25 |
186 |
555 |
6594 |
26456 |
39522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78229 |
13088 |
565 |
505 |
187 |
25 |
0 |
0 |
| OW |
1077 |
1368 |
275 |
363 |
290 |
127 |
23 |
0 |
| VODI |
2916 |
882 |
244 |
468 |
536 |
193 |
32 |
0 |
| ODI |
470 |
281 |
153 |
391 |
507 |
486 |
74 |
0 |
| CDI |
0 |
103 |
73 |
320 |
1150 |
1895 |
334 |
0 |
| VCDI |
0 |
71 |
34 |
186 |
591 |
6435 |
26341 |
39522 |
|
Date: 2023-11-24:
| 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 |
78019 |
13948 |
193 |
268 |
219 |
11 |
0 |
0 |
| OW |
995 |
1603 |
214 |
311 |
180 |
61 |
4 |
0 |
| VODI |
2856 |
933 |
200 |
451 |
447 |
186 |
38 |
0 |
| ODI |
535 |
420 |
173 |
324 |
348 |
252 |
50 |
0 |
| CDI |
0 |
186 |
153 |
577 |
947 |
1755 |
182 |
0 |
| VCDI |
0 |
110 |
70 |
236 |
666 |
6234 |
29717 |
36738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77977 |
13181 |
215 |
305 |
255 |
12 |
0 |
0 |
| OW |
1032 |
1711 |
177 |
287 |
246 |
148 |
32 |
0 |
| VODI |
2861 |
1198 |
186 |
435 |
406 |
304 |
38 |
0 |
| ODI |
535 |
618 |
146 |
306 |
413 |
397 |
52 |
0 |
| CDI |
0 |
293 |
186 |
529 |
817 |
1702 |
251 |
17 |
| VCDI |
0 |
199 |
93 |
305 |
670 |
5936 |
29618 |
36721 |
|
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