Validation of sea ice concentration - Full domain
Bulletin date: 2024-09-26
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-20:
| 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 |
139232 |
14495 |
307 |
245 |
3 |
1 |
0 |
0 |
| OW |
127 |
1174 |
514 |
1404 |
329 |
3 |
0 |
0 |
| VODI |
5 |
194 |
131 |
1268 |
1621 |
187 |
0 |
0 |
| ODI |
0 |
9 |
18 |
263 |
2282 |
1565 |
0 |
0 |
| CDI |
0 |
26 |
0 |
29 |
593 |
7885 |
550 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
47 |
9021 |
10590 |
621 |
|
...date precedes bulletin
|
Date: 2024-09-22:
| 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 |
138539 |
14510 |
302 |
445 |
9 |
0 |
0 |
0 |
| OW |
123 |
1162 |
446 |
1509 |
395 |
0 |
0 |
0 |
| VODI |
3 |
164 |
104 |
1004 |
1906 |
218 |
0 |
0 |
| ODI |
0 |
30 |
6 |
162 |
1726 |
1566 |
2 |
0 |
| CDI |
0 |
27 |
2 |
36 |
323 |
6554 |
582 |
0 |
| VCDI |
0 |
13 |
0 |
0 |
61 |
7000 |
13865 |
1949 |
|
...date precedes bulletin
|
Date: 2024-09-24:
| 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 |
139353 |
13969 |
252 |
206 |
2 |
0 |
0 |
0 |
| OW |
57 |
999 |
507 |
843 |
83 |
4 |
0 |
0 |
| VODI |
0 |
60 |
66 |
1610 |
774 |
23 |
0 |
0 |
| ODI |
0 |
18 |
4 |
183 |
1843 |
454 |
0 |
0 |
| CDI |
0 |
15 |
0 |
33 |
537 |
5953 |
651 |
0 |
| VCDI |
0 |
11 |
0 |
20 |
56 |
4649 |
18415 |
3093 |
|
...date precedes bulletin
|
Date: 2024-09-26:
| 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 |
139583 |
13523 |
204 |
220 |
65 |
0 |
0 |
0 |
| OW |
46 |
1005 |
514 |
745 |
158 |
1 |
0 |
0 |
| VODI |
0 |
111 |
138 |
1319 |
771 |
38 |
0 |
0 |
| ODI |
0 |
9 |
3 |
296 |
1404 |
535 |
2 |
0 |
| CDI |
0 |
21 |
0 |
53 |
710 |
4674 |
349 |
0 |
| VCDI |
0 |
5 |
0 |
20 |
126 |
6867 |
15990 |
5238 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
139583 |
13553 |
259 |
282 |
59 |
0 |
0 |
0 |
| OW |
46 |
999 |
455 |
714 |
181 |
1 |
0 |
0 |
| VODI |
0 |
89 |
139 |
1240 |
705 |
50 |
0 |
0 |
| ODI |
0 |
7 |
6 |
340 |
1395 |
444 |
2 |
0 |
| CDI |
0 |
22 |
0 |
58 |
771 |
4918 |
426 |
0 |
| VCDI |
0 |
4 |
0 |
19 |
123 |
6702 |
15913 |
5238 |
|
Date: 2024-09-28:
| 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 |
138902 |
13817 |
286 |
260 |
86 |
0 |
0 |
0 |
| OW |
82 |
725 |
416 |
1142 |
193 |
2 |
0 |
0 |
| VODI |
0 |
125 |
111 |
981 |
1157 |
38 |
0 |
0 |
| ODI |
0 |
38 |
12 |
255 |
1231 |
607 |
0 |
0 |
| CDI |
0 |
10 |
0 |
93 |
876 |
3828 |
402 |
0 |
| VCDI |
0 |
14 |
0 |
0 |
166 |
7787 |
15884 |
5217 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138925 |
13826 |
375 |
382 |
92 |
0 |
0 |
0 |
| OW |
59 |
691 |
317 |
1053 |
201 |
3 |
0 |
0 |
| VODI |
0 |
144 |
116 |
915 |
1039 |
42 |
0 |
0 |
| ODI |
0 |
42 |
16 |
295 |
1271 |
529 |
0 |
0 |
| CDI |
0 |
12 |
1 |
82 |
923 |
4121 |
443 |
0 |
| VCDI |
0 |
14 |
0 |
4 |
183 |
7567 |
15843 |
5217 |
|
Date: 2024-09-30:
| 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 |
138436 |
14114 |
216 |
144 |
11 |
0 |
0 |
0 |
| OW |
22 |
775 |
576 |
658 |
71 |
0 |
0 |
0 |
| VODI |
0 |
30 |
35 |
1560 |
447 |
35 |
0 |
0 |
| ODI |
0 |
4 |
0 |
175 |
1669 |
272 |
4 |
0 |
| CDI |
0 |
13 |
0 |
30 |
636 |
2789 |
51 |
0 |
| VCDI |
0 |
9 |
0 |
0 |
103 |
5038 |
21347 |
5473 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138420 |
13491 |
267 |
286 |
91 |
1 |
0 |
0 |
| OW |
38 |
1135 |
332 |
816 |
224 |
88 |
0 |
0 |
| VODI |
0 |
259 |
163 |
972 |
796 |
235 |
0 |
0 |
| ODI |
0 |
31 |
60 |
311 |
1056 |
575 |
19 |
0 |
| CDI |
0 |
15 |
5 |
156 |
522 |
2339 |
1368 |
0 |
| VCDI |
0 |
14 |
0 |
26 |
248 |
4896 |
20015 |
5473 |
|
Date: 2024-10-02:
| 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 |
137794 |
14152 |
307 |
265 |
40 |
0 |
0 |
0 |
| OW |
37 |
869 |
429 |
797 |
163 |
15 |
0 |
0 |
| VODI |
0 |
39 |
94 |
1210 |
534 |
119 |
0 |
0 |
| ODI |
0 |
9 |
0 |
193 |
1210 |
314 |
2 |
0 |
| CDI |
0 |
10 |
0 |
32 |
603 |
2204 |
164 |
0 |
| VCDI |
0 |
2 |
1 |
10 |
142 |
5958 |
19916 |
7109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
137771 |
13270 |
279 |
311 |
101 |
8 |
0 |
0 |
| OW |
60 |
1480 |
290 |
748 |
282 |
182 |
6 |
0 |
| VODI |
0 |
285 |
219 |
1012 |
662 |
363 |
46 |
0 |
| ODI |
0 |
18 |
37 |
291 |
971 |
534 |
69 |
0 |
| CDI |
0 |
20 |
5 |
94 |
399 |
2500 |
806 |
0 |
| VCDI |
0 |
8 |
1 |
51 |
277 |
5023 |
19155 |
7109 |
|
Date: 2024-10-04:
| 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 |
137552 |
13614 |
366 |
264 |
32 |
0 |
0 |
0 |
| OW |
80 |
823 |
494 |
967 |
204 |
17 |
0 |
0 |
| VODI |
0 |
54 |
116 |
1208 |
638 |
122 |
0 |
0 |
| ODI |
0 |
15 |
0 |
266 |
988 |
445 |
27 |
0 |
| CDI |
0 |
32 |
2 |
38 |
656 |
1869 |
587 |
0 |
| VCDI |
0 |
14 |
1 |
13 |
216 |
4943 |
19490 |
8590 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
137522 |
12784 |
408 |
399 |
89 |
9 |
0 |
0 |
| OW |
110 |
1329 |
396 |
916 |
318 |
113 |
0 |
0 |
| VODI |
0 |
320 |
144 |
1004 |
762 |
397 |
23 |
0 |
| ODI |
0 |
36 |
24 |
320 |
765 |
617 |
127 |
0 |
| CDI |
0 |
20 |
2 |
82 |
500 |
1789 |
976 |
0 |
| VCDI |
0 |
63 |
5 |
35 |
300 |
4471 |
18978 |
8590 |
|
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