Validation of sea ice concentration - Full domain
Bulletin date: 2023-08-31
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-25:
| 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 |
116435 |
24833 |
1446 |
1114 |
13 |
0 |
0 |
0 |
| OW |
3 |
601 |
845 |
2004 |
69 |
1 |
0 |
0 |
| VODI |
0 |
20 |
118 |
3561 |
1213 |
26 |
0 |
0 |
| ODI |
0 |
0 |
3 |
801 |
6534 |
646 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
3233 |
12718 |
1730 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
1 |
3944 |
5079 |
39 |
|
...date precedes bulletin
|
Date: 2023-08-27:
| 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 |
117475 |
24578 |
1093 |
1011 |
32 |
0 |
0 |
0 |
| OW |
0 |
832 |
940 |
1729 |
111 |
0 |
0 |
0 |
| VODI |
0 |
42 |
133 |
3273 |
1365 |
29 |
0 |
0 |
| ODI |
0 |
0 |
1 |
918 |
6095 |
636 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
5100 |
10509 |
2649 |
32 |
| VCDI |
0 |
4 |
0 |
0 |
186 |
5244 |
2961 |
35 |
|
...date precedes bulletin
|
Date: 2023-08-29:
| 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 |
122529 |
21368 |
1170 |
676 |
11 |
0 |
0 |
0 |
| OW |
0 |
254 |
673 |
1514 |
31 |
0 |
0 |
0 |
| VODI |
0 |
4 |
22 |
4038 |
718 |
4 |
0 |
0 |
| ODI |
0 |
0 |
1 |
533 |
8999 |
715 |
0 |
0 |
| CDI |
0 |
5 |
1 |
26 |
4388 |
11343 |
1005 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
30 |
2765 |
4218 |
6 |
|
...date precedes bulletin
|
Date: 2023-08-31:
| 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 |
123551 |
20792 |
914 |
659 |
59 |
0 |
0 |
0 |
| OW |
0 |
699 |
676 |
1227 |
53 |
0 |
0 |
0 |
| VODI |
0 |
8 |
78 |
3821 |
688 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1119 |
8412 |
301 |
0 |
0 |
| CDI |
0 |
6 |
1 |
38 |
4912 |
11069 |
897 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
134 |
3040 |
3893 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123551 |
20979 |
1007 |
799 |
62 |
0 |
0 |
0 |
| OW |
0 |
496 |
540 |
1142 |
62 |
0 |
0 |
0 |
| VODI |
0 |
24 |
119 |
3524 |
768 |
1 |
0 |
0 |
| ODI |
0 |
0 |
2 |
1369 |
8434 |
334 |
0 |
0 |
| CDI |
0 |
5 |
1 |
30 |
4785 |
11092 |
941 |
0 |
| VCDI |
0 |
1 |
0 |
0 |
147 |
2984 |
3849 |
0 |
|
Date: 2023-09-02:
| 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 |
125342 |
19541 |
534 |
459 |
7 |
0 |
0 |
0 |
| OW |
0 |
1131 |
764 |
1082 |
39 |
0 |
0 |
0 |
| VODI |
0 |
32 |
172 |
3724 |
631 |
1 |
0 |
0 |
| ODI |
0 |
2 |
1 |
1236 |
7787 |
456 |
0 |
0 |
| CDI |
0 |
5 |
0 |
64 |
5750 |
10345 |
934 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
173 |
3336 |
3500 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
125342 |
19932 |
735 |
623 |
11 |
0 |
0 |
0 |
| OW |
0 |
682 |
551 |
1118 |
35 |
0 |
0 |
0 |
| VODI |
0 |
90 |
177 |
3361 |
743 |
2 |
0 |
0 |
| ODI |
0 |
2 |
7 |
1396 |
7664 |
564 |
0 |
0 |
| CDI |
0 |
5 |
1 |
67 |
5746 |
10175 |
1021 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
188 |
3397 |
3413 |
0 |
|
Date: 2023-09-04:
| 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 |
128061 |
18214 |
839 |
544 |
1 |
0 |
0 |
0 |
| OW |
0 |
166 |
576 |
1277 |
17 |
0 |
0 |
0 |
| VODI |
0 |
1 |
6 |
3516 |
641 |
2 |
0 |
0 |
| ODI |
0 |
2 |
1 |
408 |
9893 |
337 |
1 |
0 |
| CDI |
0 |
4 |
0 |
13 |
2880 |
13662 |
585 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
2601 |
2775 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128061 |
17125 |
609 |
817 |
34 |
0 |
0 |
0 |
| OW |
0 |
1076 |
469 |
884 |
163 |
0 |
0 |
0 |
| VODI |
0 |
179 |
340 |
2592 |
1151 |
25 |
0 |
0 |
| ODI |
0 |
2 |
4 |
1390 |
6650 |
1120 |
0 |
0 |
| CDI |
0 |
5 |
0 |
75 |
5256 |
11083 |
936 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
203 |
4374 |
2425 |
0 |
|
Date: 2023-09-06:
| 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 |
128906 |
17746 |
733 |
598 |
0 |
0 |
0 |
0 |
| OW |
0 |
295 |
539 |
1217 |
34 |
0 |
0 |
0 |
| VODI |
0 |
15 |
55 |
3066 |
724 |
0 |
0 |
0 |
| ODI |
0 |
3 |
1 |
1047 |
7918 |
1190 |
0 |
0 |
| CDI |
0 |
2 |
1 |
24 |
3096 |
11146 |
2097 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
3684 |
2883 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
128906 |
16458 |
470 |
743 |
17 |
0 |
0 |
0 |
| OW |
0 |
1236 |
444 |
814 |
87 |
0 |
0 |
0 |
| VODI |
0 |
357 |
392 |
2629 |
732 |
0 |
0 |
0 |
| ODI |
0 |
7 |
22 |
1586 |
6392 |
763 |
0 |
0 |
| CDI |
0 |
3 |
1 |
180 |
4515 |
10485 |
1963 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
4772 |
3017 |
0 |
|
Date: 2023-09-08:
| 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 |
129274 |
17488 |
624 |
398 |
4 |
0 |
0 |
0 |
| OW |
0 |
680 |
576 |
1118 |
19 |
0 |
0 |
0 |
| VODI |
0 |
46 |
114 |
3170 |
565 |
0 |
0 |
0 |
| ODI |
0 |
4 |
3 |
1605 |
6782 |
1327 |
0 |
0 |
| CDI |
0 |
0 |
0 |
163 |
3741 |
11001 |
707 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
46 |
6171 |
1418 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
129267 |
16026 |
511 |
631 |
17 |
0 |
0 |
0 |
| OW |
7 |
1593 |
317 |
616 |
66 |
0 |
0 |
0 |
| VODI |
0 |
572 |
457 |
2752 |
480 |
0 |
0 |
0 |
| ODI |
0 |
26 |
28 |
2089 |
5434 |
825 |
0 |
0 |
| CDI |
0 |
1 |
4 |
370 |
5067 |
10264 |
647 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
7410 |
1478 |
0 |
|
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